Publications of Cornelius Krellner

2022   2021   2020   2019   2018   2017  2016  2015  2014  2013  2012  2011  2010  2009  2008  2007  2006  2004

2023

• J. Wang, M. Spitaler, Y.-S. Su, K. M. Zoch, C. Krellner, P. Puphal, S. E. Brown, and A. Pustogow, Controlling frustrated magnetism on the kagome lattice by uniaxial-strain tuning, Phys. Rev. Lett. in press (2023).
• S. V. Eremeev, D. Glazkova, G. Poelchen, A. Kraiker, K. Ali, A. V. Tarasov, S. Schulz, K. Kliemt, E. V. Chulkov, V. S. Stolyarov, A. Ernst, C. Krellner, D. Yu. Usachov, and D. V. Vyalikh, Insight into the electronic structure of the centrosymmetric skyrmion magnet GdRu₂Si₂, Nanoscale Advances 5, 6678 (2023), https://doi.org/10.1039/d3na00435j.
• C.-J. Yang, K. Kliemt, C. Krellner, J. Kroha, M. Fiebig, and S. Pal, Critical slowing down of fermions near a magnetic quantum phase transition, Nature Physics 19, 1605 (2023), https://doi.org/10.1038/s41567-023-02156-7.
• G. Poelchen, J. Hellwig, M. Peters, D. Yu. Usachov, K. Kliemt, C. Laubschat, P. M. Echenique, E. V. Chulkov, C. Krellner, S. S. P. Parkin, D. V. Vyalikh, A. Ernst, and K. Kummer, Long-lived spin waves in a metallic antiferromagnet, Nature commun. 14, 5422 (2023), https://doi.org/10.1038/s41467-023-40963-x.
• D. Yu. Usachov, A. V. Tarasov, D. Glazkova, M. Mende, S. Schulz, G. Poelchen, A. V. Fedorov, O. Yu. Vilkov, K. A. Bokai, V. S. Stolyarov, K. Kliemt, C. Krellner, and D. V. Vyalikh, Insight into the Temperature-Dependent Canting of 4f Magnetic Moments from 4f Photoemission, J. Phys. Chem. Lett. 14, 5537 (2023), https://doi.org/10.1021/acs.jpclett.3c01276.
• S. Krebber, M. Kopp, C. Garg,  K. Kummer, J. Sichelschmidt, S. Schulz, G. Poelchen, M. Mende, A. V. Virovets, K. Warawa, M. D. Thomson, A. V. Tarasov, D. Yu. Usachov, D. V. Vyalikh, H. Roskos, J. Müller, C. Krellner, K. Kliemt, Colossal magnetoresistance in EuZn₂P₂ and its electronic and magnetic structure, Phys. Rev. B 108, 045116 (2023), https://doi.org/10.1103/PhysRevB.108.045116.
• K. Kliemt, M. Ocker, S. Krebber, S. Schulz, D. V. Vyalikh, C. Krellner, and D. Yu. Usachov, Moment canting and domain effects in antiferromagnetic DyRh₂Si₂, Phys. Rev. B 107, 224424 (2023), https://doi.org/10.1103/PhysRevB.107.224424.
• B. Wolf, F. Spathelf, J. Zimmermann, T. Lundbeck, M. Peters, K. Kliemt, C. Krellner and M. Lang, From magnetic order to valence-change crossover in EuPd₂(Si_1−xGe_x)₂ using He-gas pressure, SciPost Phys. Proc. 11, 022 (2023), https://doi.org/10.21468/SciPostPhysProc.11.022.
• B. Wolf, T. Lundbeck, J. Zimmermann, M. Peters, K. Kliemt, C. Krellner and M. Lang, Pressure study on the interplay between magnetic order and valence crossover in EuPd₂(Si_1−xGe_x)₂, Phys. Rev. B 107, 245147 (2023), https://doi.org/10.1103/PhysRevB.107.245147.
• M. Peters, K. Kliemt, M. Ocker, B. Wolf, P. Puphal, M. Le Tacon, M. Merz, M. Lang, and C. Krellner, From valence fluctuations to long-range magnetic order in EuPd₂(Si_1−xGe_x)₂ single crystals, Phys. Rev. Materials 7, 064405 (2023), https://doi.org/10.1103/PhysRevMaterials.7.064405.
• M. Ye, M. J. G. von Westarp, S.-M. Souliou, M. Peters, R. Möller, K. Kliemt, M. Merz, R. Heid, C. Krellner, and M. Le Tacon, Strong electron-phonon coupling and enhanced phonon Grüneisen parameters in valence-fluctuating metal EuPd₂Si₂, Phys. Rev. B 107, 195111 (2023), https://doi.org/10.1103/PhysRevB.107.195111.
• J. Knapp, L. V. Levitin, J. Nyéki, A. F. Ho, B. Cowan, J. Saunders, M. Brando, C. Geibel, K. Kliemt, and C. Krellner, Electronuclear Transition into a Spatially Modulated Magnetic State in YbRh₂Si₂, Phys. Rev. Lett. 130, 126802 (2023), https://doi.org/10.1103/PhysRevLett.130.126802.
• Chatterjee, P. Puphal, Q. Barthélemy, J. Willwater, S. Süllow, C. Baines, S. Petit, E. Ressouche, J. Ollivier, K. M. Zoch, C. Krellner, M. Parzer, A. Riss, F. Garmroudi, A. Pustogow, P. Mendels, E. Kermarrec, and F. Bert, From spin liquid to magnetic ordering in the anisotropic kagome Y-kapellasite Y₃Cu₉(OH)₁₉Cl₈: A single-crystal study, Phys. Rev. B 107, 125156 [Editors' Suggestion] (2023), https://doi.org/10.1103/PhysRevB.107.125156.
• Y.-J. Song, S. Schulz, K. Kliemt, C. Krellner, and R. Valentí, Microscopic analysis of the valence transition in tetragonal EuPd₂Si₂, Phys. Rev. B 107, 075149 (2023), https://doi.org/10.1103/PhysRevB.107.075149.

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2022

• Steppke, S. Hamann, M. König, A. P. Mackenzie, K. Kliemt, C. Krellner, M. Kopp, M. Lonsky, J. Müller, L. V. Levitin, J. Saunders, and M. Brando, Microstructuring YbRh₂Si₂ for resistance and noise measurements down to ultra-low temperatures, New J. Phys. 24, 123033 (2022).
• Kölsch, A. Schuck, M. Huth, O. Fedchenko, D. Vasilyev, S. Chernov, O. Tkach, H.-J. Elmers, G. Schönhense, C. Schlüter, T. R. F. Peixoto, A. Gloskowski, and C. Krellner, Clamping effect on temperature-induced valence transition in epitaxial EuPd₂Si₂ thin films grown on MgO(001), Phys. Rev. Mat. 6, 115003 (2022).
• V. Tarasov, D. Glazkova, S. Schulz, G. Poelchen, K. Kliemt, A. Kraiker, M. Muntwiler, C. Laubschat, A. Generalov, C. Polley, C. Krellner, D. V. Vyalikh, and D. Yu. Usachov, Crystal electric field and properties of 4 f magnetic moments at the surface of the rare-earth compound TbRh₂Si₂, Phys. Rev. B 106, 155136 [Editors' Suggestion] (2022).
• S.-E. Lee, Y. W. Windsor, A. Fedorov, K. Kliemt, C. Krellner, C. Schüßler-Langeheine, N. Pontius, M. Wolf, U. Atxitia, D. V. Vyalikh, L. Rettig, Robust magnetic order upon ultrafast excitation of an antiferromagnet, Adv. Mater. Interfaces 2201340, (2022).
• Kliemt, M. Peters, I. Reiser, M. Ocker, F. Walther, D.-M. Tran, E. Cho, M. Merz, A. A. Haghighirad, D. C. Hezel, F. Ritter, and C. Krellner, Influence of the Pd−Si Ratio on the Valence Transition in EuPd₂Si₂ Single Crystals, Cryst. Growth Des. 22, 5399 (2022).
• Yu. Usachov, D. Glazkova, A. V. Tarasov, S. Schulz, G. Poelchen, K. A. Bokai, O. Yu. Vilkov, P. Dudin, K. Kummer, K. Kliemt, C. Krellner, and D. V. Vyalikh, Estimating the Orientation of 4f Magnetic Moments by Classical Photoemission, J. Phys. Chem. Lett. 13, 7861 (2022).
• V. Tarasov, M. Mende, K. Ali, G. Poelchen, S. Schulz, O. Yu. Vilkov, K. A. Bokai, M. Muntwiler, V. Mandic, C. Laubschat, K. Kliemt, C. Krellner, D. V. Vyalikh, D. Yu. Usachov, Structural instability at the In-terminated surface of the heavy-fermion superconductor CeIrIn₅, Surfaces and Interfaces 32, 102126 (2022).
• Biesner, S. Roh, A. Razpopov, J. Willwater, S. Süllow, Y. Li, K. M. Zoch, M. Medarde, J. Nuss, D. Gorbunov, Y. Skourski, A. Pustogow, S. E. Brown, C. Krellner, R. Valenti, P. Puphal, and M. Dressel, Multi-Center Magnon Excitations Open the Entire Brillouin Zone to Terahertz Magnetometry of Quantum Magnets, Adv. Quant. Techn. 5, 2200023 (2022).
• Kliemt, J. D. Reusch, M. Bolte, C. Krellner, Effect of symmetry reduction on the magnetic properties of LnIr₂Si₂ polymorphs, J. Mag. Mag. Mat. 552, 169199 (2022).
• Poelchen, I. P. Rusinov, S. Schulz, M. Güttler, M. Mende, A. Generalov, D. Yu. Usachov, S. Danzenbächer, J. Hellwig, M. Peters, K. Kliemt, Y. Kucherenko, V. N. Antonov, C. Laubschat, E. V. Chulkov, A. Ernst, K. Kummer, C. Krellner, and D. V. Vyalikh, Interlayer Coupling of a Two-Dimensional Kondo Lattice with a Ferromagnetic Surface in the Antiferromagnet CeCo₂P₂, ACS Nano 16, 3573 (2022).
• W. Windsor, S.-E. Lee, D. Zahn, V. Borisov, D. Thonig, K. Kliemt, A. Ernst, C. Schüßler-Langeheine, N. Pontius, U. Staub, C. Krellner, D. V. Vyalikh, O. Eriksson, and L. Rettig, Exchange scaling of ultrafast angular momentum transfer in 4f antiferromagnets, Nature Materials 21, 514 (2022).
• M. Mende, K. Ali, G. Poelchen, S. Schulz, V. Mandic, A. V. Tarasov, C. Polley, A. Generalov, A. V. Fedorov, M. Güttler, C. Laubschat, K. Kliemt, Y. M. Koroteev, E. V. Chulkov, K. Kummer, C. Krellner, D. Yu. Usachov, and Denis V. Vyalikh, Strong Rashba Effect and Different f−d Hybridization Phenomena at the Surface of the Heavy-Fermion Superconductor CeIrIn₅, Adv. Electron. Mater. 8, 2100768 (2022).

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2021

• Mende, K. Ali, G. Poelchen, S. Schulz, V. Mandic, A. V. Tarasov, C. Polley, A. Generalov, A. V. Fedorov, M. Güttler, C. Laubschat, K. Kliemt, Y. M. Koroteev, E. V. Chulkov, K. Kummer, C. Krellner, D. Yu. Usachov, and Denis V. Vyalikh, Strong Rashba Effect and Different f−d Hybridization Phenomena at the Surface of the Heavy-Fermion Superconductor CeIrIn₅, Adv. Electron. Mater. 2100768, (2021). DOI:10.1002/aelm.202100768
• V. Fedorov, G. Poelchen, S. V. Eremeev, S. Schulz, A. Generalov, C. Polley, C. Laubschat, K. Kliemt, N. Kaya, C. Krellner, E. V. Chulkov, K. Kummer, D. Yu. Usachov, A. Ernst, and D. V. Vyalikh, Insight into the Temperature Evolution of Electronic Structure and Mechanism of Exchange Interaction in EuS, J. Phys. Chem. Lett. 12, 8328 (2021).
• Kamel, A. R. N. Hanna, C. Krellner, R. Klingeler, M. Abdellah, M. Abdel-Hafiez, A. Hassen, A. S. G. Khalil, T. Abdel-Baset and A. Hassan, Synthesis, Optical, Magnetic and Thermodynamic Properties of Rocksalt Li_1.3Nb_0.3Mn_0.4O₂ Cathode Material for Li-Ion Batteries, Crystals 11, 825 (2021).
• S.-I. Kimura, Y. S. Kwon, C. Krellner, and J. Sichelschmidt, Optical evidence of local and itinerant states in Ce- and Yb-heavy-fermion compounds, Electron. Struct. 3, 024007 (2021)
• Allenspach, P. Puphal, J. Link, I. Heinmaa, E. Pomjakushina, C. Krellner, J. Lass, G. S. Tucker, C. Niedermayer, S. Imajo, Y. Kohama, K. Kindo, S. Krämer, M. Horvatić, M. Jaime, A. Madsen, A. Mira, N. Laflorencie, F. Mila, B. Normand, C. Rüegg, R. Stern, F. Weickert, Revealing three-dimensional quantum criticality by Sr-substitution in Han Purple, Phys. Rev. Res. 3, 023177 (2021).
• Y. Agustsson, S. V. Chernov, K. Medjani, S. Babenkov, O. Fedchenko, D. Vasilyev, C. Schlueter, A. Gloskovskii, Yu. Matveyev, K. Kliemt, C. Krellner, J. Demsar, G. Schönhense, and H-J Elmers, Temperature-dependent change of the electronic structure in the Kondo lattice system YbRh₂Si₂, J. Phys.: Condens. Matter 33, 205601 (2021).
• Güttler, K. Kummer, K. Kliemt, C. Krellner, S. Seiro, C. Geibel, C. Laubschat, Y. Kubo, Y. Sakurai, D. V. Vyalikh, and A. Koizumi, Visualizing the Kondo lattice crossover in YbRh₂Si₂ with Compton scattering, Phys. Rev. B 103, 115126 [Editors' Suggestion] (2021).
• S. Schulz, A. Yu. Vyazovskaya, G. Poelchen, A. Generalov, M. Güttler, M. Mende, S. Danzenbächer, M. M. Otrokov, T. Balasubramanian, C. Polley, E. V. Chulkov, C. Laubschat, M. Peters, K. Kliemt, C. Krellner, D. Yu. Usachov, and D. V. Vyalikh, Classical and cubic Rashba effect in the presence of in-plane 4f magnetism at the iridium silicide surface of the antiferromagnet GdIr₂Si₂, Phys. Rev. B 103, 035123 (2021).

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2020

• J. Yang, S. Pal, F. Zamani, K. Kliemt, C. Krellner, O. Stockert, H. v. Löhneysen, J. Kroha, and M. Fiebig, Terahertz conductivity of heavy-fermion systems from time-resolved spectroscopy, Phys. Rev. Res. 2, 033296 (2020).

• Poelchen, S. Schulz, M. Mende, M. Güttler, A. Generalov, A. V. Fedorov, N. Caroca-Canales, C. Geibel, K. Kliemt, C. Krellner, S. Danzenbächer, P. Dudin, V. N. Antonov, J. W. Allen, C. Laubschat, K. Kummer, Yu. Kucherenko, and D. V. Vyalikh, Temperature and Momentum Dependences of the Kondo Peak in the Heavy-Fermion System CeRh₂Si₂: Great Differences between Surface and Bulk, npj Quantum Materials 5, 70 (2020).

• Ehlers, K. Kliemt, C. Krellner, C. Geibel, J. Sichelschmidt, Uniaxial and fourfold basal anisotropy in GdRh₂Si₂, J. Phys.: Condens. Matter 32, 495801 (2020).

• W. Windsor, A. Ernst, K. Kummer, K. Kliemt, Ch. Schüßler-Langeheine, N. Pontius, U. Staub, E. V. Chulkov, C. Krellner, D. V. Vyalikh, and L. Rettig, Deterministic control of an antiferromagnetic spin arrangement using ultrafast optical excitation, Communications Physics 3, 139 (2020).

• Yu. Usachov, M. Güttler, S. Schulz, G. Poelchen, S. Seiro, K. Kliemt, K. Kummer, C. Krellner, C. Laubschat, E. V. Chulkov, and D. V. Vyalikh, Spin structure of spin-orbit split surface states in a magnetic material revealed by spin-integrated photoemission, Phys. Rev. B 101, 245140 [Editors' Suggestion]  (2020).

• Usachov, I. A. Nechaev, G. Poelchen, M. Güttler, E. E. Krasovskii, S. Schulz, A. Generalov, K. Kliemt, A. Kraiker, C. Krellner, K. Kummer, S. Danzenbächer, C. Laubschat, A. P. Weber, J. Sánchez-Barriga, E. V. Chulkov, A. Santander-Syro, T. Imai, K. Miyamoto, T. Okuda, and D. V. Vyalikh, Cubic Rashba effect in the surface spin structure of rare-earth ternary materials, Phys. Rev. Lett. 124, 237202 (2020).

• Li, A. Pustogow, M. Bories, P. Puphal, C. Krellner, M. Dressel, and R. Valentí, Lattice dynamics in the spin-1/2 frustrated kagome compound, Phys. Rev. B 101, 161115(R) [Editors' Suggestion] (2020).

• Kliemt, M. Peters, F. Feldmann, A. Kraiker, D.-M. Tran, S. Rongstock, J. Hellwig, S. Witt, M. Bolte, and C. Krellner, Crystal Growth of Materials with the ThCr₂Si₂ Structure Type, Cryst. Res. Technol. 55, 1900116 (2020).

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2019

• K. Kliemt, J. Banda, C. Geibel, M. Brando, and C. Krellner, Bulk properties of single crystals of the valence-unstable compound SmRh₂Si₂, Mater. Res. Express 6_, 126104 (2019).
• U. Tutsch, O. Tsyplyatyev, M. Kuhnt, L. Postulka, B. Wolf, P. T. Cong, F. Ritter, C. Krellner, W. Assmus, B. Schmidt, P. Thalmeier, P. Kopietz, and M. Lang, Specific heat study of 1D and 2D excitations in the layered frustrated quantum antiferromagnets Cs₂CuCl_4-xBr_x, Phys. Rev. Lett. 123, 147202 (2019).
• Q. Barthélemy, P. Puphal, K. M. Zoch, C. Krellner, H. Luetkens, C. Baines, D. Sheptyakov, E. Kermarrec, P. Mendels, and F. Bert, Local study of the insulating quantum kagome antiferromagnets YCu₃(OH)₆O_xCl_3-x (x=0,1/3), Phys. Rev. Mat. 3, 074401 (2019).
• S. K. Thallapaka, B. Wolf, E. Gati, L. Postulka, U. Tutsch, B. Schmidt, P. Thalmeier, F. Ritter, C. Krellner, Y. Li, V. Borisov, R. Valentí, M. Lang, Magneto-structural properties of the layered quasi-2D triangular-lattice antiferromagnets Cs₂CuCl_4-xBr_x for x = 0,1,2 and 4, Phys. Status Solidi B 1900044 (2019).
• S. Schulz, I. A. Nechaev, M. Güttler, G. Poelchen, A. Generalov, S. Danzenbächer, A. Chikina, S. Seiro, K. Kliemt, A. Yu. Vyazovskaya, T. K. Kim, P. Dudin, E. V. Chulkov, C. Laubschat, E. E. Krasovskii, C. Geibel, C. Krellner, K. Kummer and D. V. Vyalikh, Emerging 2D-ferromagnetism and strong spin-orbit coupling at the surface of valence-fluctuating EuIr₂Si₂, npj Quantum Materials 4, 26 (2019).
• D. Hafner, Binod K. Rai, J. Banda, K. Kliemt, C. Krellner, J. Sichelschmidt, E. Morosan, C. Geibel, and M. Brando, Kondo-lattice ferromagnets and their peculiar order along the magnetically hard axis determined by the crystalline electric field, Phys. Rev. B 99, 201109(R) (2019).
• U. Stockert, C. Klingner, C. Krellner, V. Zlatić, C. Geibel, F. Steglich, Thermopower evolution in Yb(Rh_1−xCo_x)₂Si₂, J. Low Temp. Phys. 196, 364 (2019).
• B. Wolf, Ch. Thurn, L. Postulka, S.K. Thallapaka, U. Tutsch, F. Ritter, C. Krellner, M. Lang, Magnetic and magneto-elastic couplings in the low-dimensional Heisenberg quantum magnet Cs₂CuCl₂Br₂ with octahedral Cu coordination, J. Magn. Magn. Mat. 480, 108 (2019).
• S. Hamann, J. Zhang, D. Jang, A. Hannaske, L. Steinke, S. Lausberg, L. Pedrero, C. Klingner, M. Baenitz, F. Steglich, C. Krellner, C. Geibel and M. Brando, Evolution from ferromagnetism to antiferromagnetism in Yb(Rh_1-xCo_x)₂Si₂, Phys. Rev. Lett. 122, 077202 (2019).
• M. Güttler, A. Generalov, S. I. Fujimori, K. Kummer, A. Chikina, S. Seiro, S. Danzenbacher, Yu. M. Koroteev, E. V. Chulkov, M. Radovic, M. Shi, N. C. Plumb, C. Laubschat, J. W. Allen, C. Krellner, C. Geibel, and D. V. Vyalikh, Divalent EuRh₂Si₂: reference for the Luttinger theorem and antiferromagnetism in trivalent heavy fermion YbRh₂Si₂, Nature Commun. 10, 796 (2019).
• P. Puphal, K. M. Ranjith, A. Pustogow, M. Muller, A. Rogalev, K. Kummer, J.-C. Orain, C. Baines, M. Baenitz, M. Dressel, E. Kermarrec, F. Bert, P. Mendels, C. Krellner, Ga_xCu_4−x(OD)₆Cl₂: Insulating ground state in an electron doped kagome system, Phys. Status Solidi B 1800663  (2019).

2018

• S. Karbassi, S. Ghannadzadeh, K. Kliemt, M. Brando, C. Krellner, and S. Friedemann, Anisotropic Zeeman splitting in YbNi₄P₂, SciPost Phys. 5, 056 (2018).
• A. Generalov, J. Falke, I. A. Nechaev, M. M. Otrokov, M. Güttler, A. Chikina, K. Kliemt, S. Seiro, K. Kummer, S. Danzenbächer, D. Usachov, T. K. Kim, P. Dudin, E. V. Chulkov, C. Laubschat, C. Geibel, C. Krellner, and D. V. Vyalikh, Strong spin-orbit coupling in the noncentrosymmetric Kondo lattice, Phys. Rev. B 98, 115157 [Editors' Suggestion] (2018).
• K. Anand, H. D. Nguyen, M. Baitinger, C. Allio, C. Krellner, Yu. Grin, J. Ledieu, V. Fournée, É. Gaudry, Ba₈Au_5.25Ge_40.75(110): A nano-caged surface electronically controlled by Ba and Au adatoms, J. Phys. Chem. C 122, 29298 (2018).
• M. Abdel-Hafiez, M. Mito, K. Shibayama, S. Takagi, M. Ishizuka, A. N. Vasiliev, C. Krellner, and H. K. Mao, High-pressure phase diagram of NdFeAsO_0.9F_0.1: Disappearance of superconductivity on the verge of ferromagnetism from Nd moments, Phys. Rev. B 98, 094504 (2018).
• K. Kliemt, M. Bolte, C. Krellner, Crystal growth and magnetic characterization of HoIr₂Si₂ (I4=mmm), J. Phys.: Condens. Matter 30, 385801 (2018).
• M. Smidman, O. Stockert, J. Arndt, G. M. Pang, L. Jiao, H. Q. Yuan, H. A. Vieyra, S. Kitagawa, K. Ishida, K. Fujiwara, T. C. Kobayashi, E. Schubert, M. Tippmann, L. Steinke, S. Lausberg, A. Steppke, M. Brando, H. Pfau, U. Stockert, P. Sun, S. Friedemann, S. Wirth, C. Krellner, S. Kirchner, E. M. Nica, R. Yu, Q. Si, F. Steglich, Interplay between unconventional superconductivity and heavy-fermion quantum criticality: CeCu₂Si₂ versus YbRh₂Si₂, Philos. Mag. 98, 2930 (2018).
• S. Seiro, L. Jiao, S. Kirchner, S. Hartmann, S. Friedemann, C. Krellner, C. Geibel, Q. Si, F. Steglich, and S. Wirth, Evolution of the Kondo lattice and non-Fermi liquid excitations in a heavy-fermion metal, Nature Commun. 9, 3324 (2018).
• K. M. Ranjith, C. Klein, A. A. Tsirlin, H. Rosner, C. Krellner, and M. Baenitz, Magnetic resonance as a local probe for kagomé magnetism in Barlowite Cu₄(OH)₆FBr, Sci. Rep. 8, 10851 (2018).
• C. Wetli, S. Pal, J. Kroha, K. Kliemt, C. Krellner, O. Stockert, H. v. Löhneysen, and M. Fiebig, Time-resolved collapse and revival of the Kondo state near a quantum phase transition, Nature Physics 14, 1103 (2018).
• Z. Huesges, K. Kliemt, C. Krellner, R. Sarkar, H.-H. Klauss, C. Geibel, M. Rotter, P. Novak, J. Kunes, O. Stockert, Analysis of the crystal electric field parameters of YbNi₄P₂, New J. Phys. 20, 073021 (2018).
• P. Puphal, K. M. Zoch, J. Desor, M. Bolte, and C. Krellner, Kagome quantum spin systems in the atacamite family, Phys. Rev. Mat. 2, 063402 (2018).
• J. Sichelschmidt, K. Kliemt, M. Hofmann-Kliemt, and C. Krellner, Weak magnetic anisotropy in GdRh₂Si₂ studied by magnetic resonance, Phys. Rev. B 97, 214424 (2018).
• A. Amorese, N. Caroca-Canales, S. Seiro, C. Krellner, G. Ghiringhelli, N. B. Brookes, D.V. Vyalikh, C. Geibel, and K. Kummer, Crystal electric field in CeRh₂Si₂ studied with high-resolution resonant inelastic soft x-ray scattering, Phys. Rev. B 97, 245130 (2018).
• K. Kummer, C. Geibel, C. Krellner, G. Zwicknagl, C. Laubschat, N. B. Brookes, D. V. Vyalikh, Similar temperature scale for valence changes in Kondo lattices with different Kondo temperatures, Nature Commun. 9, 2011 (2018).
• L. Bondorf, M. Beutel, M. Thiemann, M. Dressel, D. Bothner, J. Sichelschmidt, K. Kliemt, C. Krellner, M. Scheffler, Angle-dependent electron spin resonance of YbRh₂Si₂ measured with planar microwave resonators and in-situ rotation, Physica B 536, 331 (2018).
• M. Pohlit, S. Witt, M. Akbari, C. Krellner, and J. Müller, Magnetic Stray Field Detection as Guidance for Electronic Transport Measurements in the B-T Phase Diagram of MnSi, Acta Phys. Pol. A 133, 582 (2018).
• M. Abdel-Hafiez, Y. Zha, Z. Huang, C.-w. Cho, C. H. Wong, A. Hassen, M. Ohkuma, Y.-W. Fang, B.-J. Pan, Z.-A. Ren, A. Sadakov, A. Usoltsev, V. Pudalov, M. Mito, R. Lortz, C. Krellner, and W. Yang, High-pressure effects on isotropic superconductivity in the iron-free layered pnictide superconductor BaPd₂As₂, Phys. Rev. B 97, 134508 (2018).
• M. Abdel-Hafiez, J. Brisbois, Z. Zhu, A. Adamski, A. Hassen, A. N. Vasiliev, A. V. Silhanek, and C. Krellner, Upper critical fields in Ba₂Ti₂Fe₂As₄O single crystals: Evidence for dominant Pauli paramagnetic effect, Phys. Rev. B 97, 115152 (2018).
• K. Anand, C. Allio, C. Krellner, H. D. Nguyen, M. Baitinger, Y. Grin, J. Ledieu, V. Fournee, and É. Gaudry, Charge Balance Controls the (100) Surface Structure of the Ba₈Au_5.25Ge_40.75 Clathrate, J. Phys. Chem. C 122, 2215 (2018).
• A. Adamski, A. R. Nassief, C. Krellner, and M. Abdel-Hafiez, Vortex dynamics and the critical current density in NdFeAsO0.9F0.1 single crystals, J. Magn. Magn. Mat. 459, 301 (2018).

2017

• A. Pustogow, Y. Li, I. Voloshenko, P. Puphal, C. Krellner, I.I. Mazin, M. Dressel, and R. Valentí, Nature of optical excitations in the frustrated kagome compound herbertsmithite, Phys. Rev. B 96, 241114(R) (2017).
• A. Adamski, C. Krellner, and M. Abdel-Hafiez, Signature of multigap nodeless superconductivity in fluorine-doped NdFeAsO, Phys. Rev. B 96, 100503(R) (2017).
• H. Pfau, R. Daou, S. Friedemann, S. Karbassi, S. Ghannadzadeh, R. Kuechler, S. Hamann, A. Steppke, D. Sun, M. Koenig, A. P. Mackenzie, K. Kliemt, C. Krellner, M. Brando, Cascade of magnetic field induced Lifshitz transitions in the ferromagnetic Kondo lattice material YbNi₄P₂, Phys. Rev. Lett. 119, 126402 (2017).
• J. Sichelschmidt, K. Kliemt, C. Krellner, C. Geibel, Paramagnetic resonance in GdRh₂Si₂, J. Phys.: Conf. Ser. 807, 012007 (2017).
• K. Kliemt, C. Krellner, Characterization of YbNi₄(P_1−xAs_x)₂, x=0,0.2 single crystals grown by Czochralski method, J. Phys.: Conf. Ser. 807, 032005 (2017).
• L. Steinke, E. Schuberth, S. Lausberg, M. Tippmann, A. Steppke, C. Krellner, C. Geibel, F. Steglich and M. Brando, Ultra-low temperature ac susceptibility of the heavy-fermion superconductor YbRh₂Si₂, J. Phys.: Conf. Ser. 807, 052007 (2017).
• A. Chikina, A. Generalov, K. Kummer, M. Güttler, V. N. Antonov, Yu. Kucherenko, K. Kliemt, C. Krellner, S. Danzenbächer, T. Kim, P. Dudin, C. Geibel, C. Laubschat, and D. V. Vyalikh, Valence instability in the bulk and at the surface of the antiferromagnet SmRh₂Si₂, Phys. Rev. B 95, 155127 (2017).
• K. Kliemt, M. Hofmann-Kliemt, K. Kummer, F. Yakhou-Harris, C. Krellner, and C. Geibel, GdRh₂Si₂: An exemplary tetragonal system for antiferromagnetic order with weak in-plane anisotropy, Phys. Rev. B 95, 134403 (2017).
• R. Sarkar, J. Spehling, P. Materne, H. Luetkens, C. Baines, M. Brando, C. Krellner, and H.-H. Klauss, Magnetic order and spin dynamics across a ferromagnetic quantum critical point: μSR investigations of YbNi₄(P_1−xAs_x)₂, Phys. Rev. B 95, 121111(R) (2017).
• P. Puphal, M. Bolte, D. Sheptyakov, A. Pustogow, K. Kliemt, M. Dressel, M. Baenitz, C. Krellner, Strong magnetic frustration in Y₃Cu₉(OH)₁₉Cl₈: a distorted kagome antiferromagnet, J. Mater. Chem. C 5, 2629 (2017).
• N. v. Well, M. Bolte, B. Delley, B. Wolf, M. Lang, J. Schefer, C. Rüegg, W. Assmus, and C. Krellner, Interplay between structure and magnetism in the low-dimensional spin system: K(C₈H₁₆O₄)₂CuCl₃·H₂O, CrystEngComm 19, 1028 (2017).
• O. Tsyplyatyev, P. Kopietz, Y. Tsui, B. Wolf, P. T. Cong, N. van Well, F. Ritter, C. Krellner, W. Aßmus, and M. Lang, Many-body theory of magnetoelasticity in one dimension, Phys. Rev. B 95, 045120 (2017).
• A. Jesche, T. Ballé, K. Kliemt, C. Geibel, M. Brando, and C. Krellner, Avoided ferromagnetic quantum critical point: Antiferromagnetic ground state in substituted CeFePO, Phys. Status Solidi B 254, 1600169 (2017).
• A. Generalov, M. M. Otrokov, A. Chikina, K. Kliemt, K. Kummer, M. Höppner, M. Güttler, S. Seiro, A. Fedorov, S. Schulz, S. Danzenbächer, E. V. Chulkov, C. Geibel, C. Laubschat, P. Dudin, M. Hoesch, T. Kim, M. Radovic, M. Shi, N. C. Plumb, C. Krellner, and D. V. Vyalikh, Spin Orientation of Two-Dimensional Electrons Driven by Temperature-Tunable Competition of Spin-Orbit and Exchange-Magnetic Interactions, Nano Lett. 17, 811 (2017).

2016

• M. J. Rahim, T. Lehleiter, D. Bothner, C. Krellner, D. Koelle, R. Kleiner, M. Dressel, and M. Scheffler, Metallic coplanar resonators optimized for low-temperature measurements, J. Phys. D: Appl. Phys. 49, 395501 (2016).
• B. Wolf, U. Tutsch, S. Dörschug, C. Krellner, F. Ritter, W. Assmus, and M. Lang, Magnetic cooling close to a quantum phase transition – The case of Er₂Ti₂O₇, J. Appl. Phys. 120, 142112 (2016).
• P. T. Cong, L. Postulka, B. Wolf, N. van Well, F. Ritter, W. Assmus, C. Krellner, M. Lang, Magneto-acoustic study near the quantum critical point of the frustrated quantum antiferromagnet Cs₂CuCl₄ J. Appl. Phys. 120, 142113 (2016).
• A. Chernenkaya, A. Morherr, S. Backes, W. Popp, S. Witt, X. Kozina, S. Nepijko, M. Bolte, K. Medjanik, G. Öhrwall, C. Krellner, M. Baumgarten, H.-J. Elmers, G. Schönhense, H. Jeschke, and R. Valentí, Microscopic origin of the charge transfer in single crystals based on thiophene derivatives: a combined NEXAFS and density functional theory approach, J. Chem. Phys. 145, 034702 (2016).
• N. Mufti, K. Kaneko, A. Hoser, M. Gutmann, C. Geibel, C. Krellner, and O. Stockert, Unique magnetic structure of YbCo₂Si₂, Phys. Rev. B 94, 045116 (2016).
• K. Kliemt and C. Krellner, Crystal growth by Bridgman and Czochralski method of the ferromagnetic quantum critical material YbNi₄P₂, J. Cryst. Growth 449, 129 (2016).
• A. Morherr, S. Witt, A. Chernenkaya, G. Schönhense, J.-P. Bäcker, M. Bolte, and C. Krellner, Crystal Growth of new charge-transfer salts baseded on p-conjugated donor molecules, Physica B 496, 98 (2016).
• H. Yasuoka, K. Motoya, M. Majumder, S. Witt, C. Krellner, M. Baenitz, Chiral Magnetism in an Itinerant Helical Magnet, MnSi - An Extended ²⁹Si NMR Study -, J. Phys. Soc. Jpn. 85, 073701 (2016).
• M. Abdel-Hafiez, Y. J. Pu, J. Brisbois, B. Pan, R. Peng, D. L. Feng, D. A. Chareev, A. V. Silhanek, C. Krellner, A. N. Vasiliev, and X.-J. Chen, Impurity scattering effects on the superconducting properties and the tetragonal-to-orthorhombic phase transition in FeSe, Phys. Rev. B 93, 224508 (2016).
• A. Sanna, A. V. Fedorov, N. I. Verbitskiy, J. Fink, C. Krellner, L. Petaccia, A. Chikina, D. Yu. Usachov, A. Grüneis, and G. Profeta, First-principles and angle-resolved photoemission study of lithium doped metallic black phosphorous, 2D Mater. 3, 025031 (2016).
• P. Puphal, D. Sheptyakov, N. v. Well, L. Postulka, I. Heinmaa, F. Ritter, W. Assmus, B. Wolf, M. Lang, H. O. Jeschke, R. Valentí, R. Stern, C. Rüegg, and C. Krellner, Stabilization of the tetragonal structure in (Ba_1−xSr_x)CuSi₂O₆, Phys. Rev. B 93, 174121 (2016).
• N. van Well, P. Puphal, B. Wehinger, M. Kubus, J. Schefer, C. Rüegg, F. Ritter, C. Krellner, and W. Assmus, Crystal Growth with Oxygen Partial Pressure of the BaCuSi₂O₆ and Ba_1−xSr_xCuSi₂O₆ Spin Dimer Compounds, Cryst. Growth Des. 16, 3416 (2016).
• A. Amorese, G. Dellea, M. Fanciulli, S. Seiro, C. Geibel, C. Krellner, I.P. Makarova, L. Braicovich, G. Ghiringhelli, D. V. Vyalikh, N. B. Brookes, and K. Kummer, 4f excitations in Ce Kondo lattices studied by resonant inelastic x-ray scattering, Phys. Rev. B 93, 165134 (2016).
• M. Güttler, A. Generalov, M. M. Otrokov, K. Kummer, K. Kliemt, A. Fedorov, A. Chikina, S. Danzenbächer, S. Schulz, E. V. Chulkov, Yu. M. Koroteev, N. Caroca-Canales, M. Shi, M. Radovic, C. Geibel, C. Laubschat, P. Dudin, T. K. Kim, M. Hoesch, C. Krellner, and D. V. Vyalikh, Robust and tunable itinerant ferromagnetism at the silicon surface of the antiferromagnet GdRh₂Si₂, Sci. Rep. 6, 24254 (2016).
• E. Schuberth, M. Tippmann, L. Steinke, S. Lausberg, A. Steppke, M. Brando, C. Krellner, C. Geibel, R. Yu, Q. Si, and F. Steglich, Emergence of superconductivity in the canonical heavy-electron metal YbRh₂Si₂, Science 351, 485 (2016).

2015

• K. Parkkinen, M. Dressel, K. Kliemt, C. Krellner, C. Geibel, F. Steglich, C. Geibel, Signatures of phase transitions in the microwave response of YbRh₂Si₂, Phys. Proc. 75, 340 (2015).
• Z. Huesges, M. M. Koza, J. P. Embs, T. Fennell, G. Simeoni, C. Geibel, C. Krellner,  and O. Stockert, Ferromagnetic fluctuations in YbNi₄P₂ measured by inelastic neutron scattering, J. Phys.: Conf. Ser. 592, 012083, (2015).
• K. Kliemt and C. Krellner, Single crystal growth and characterization of GdRh₂Si₂, J. Cryst. Growth 419, 37 (2015).
• K. Kummer, S. Patil, A. Chikina, M. Güttler, M. Höppner, A. Generalov, S. Danzenbächer, S. Seiro, A. Hannaske, C. Geibel, C. Krellner, Yu. Kucherenko, M. Shi, M. Radovic, G. Zwicknagl, K. Matho, J. W. Allen, C. Laubschat and D. V. Vyalikh, Temperature invariant Fermi surface in a Kondo lattice, Phys. Rev. X 5, 011028 (2015).
• E. Lengyel, M. E. Macovei, A. Jesche, C. Krellner, C. Geibel, and M. Nicklas, Avoided ferromagnetic quantum critical point in CeRuPO, Phys. Rev. B 91, 035130 (2015).
• N. van Well, K. Foyevtsova, S. Gottlieb-Schönmeyer, F. Ritter, R. S. Manna, B. Wolf, M. Meven, C. Pfleiderer, M. Lang, W. Assmus, R. Valentí, and C. Krellner, Low-temperature structural investigations of the frustrated quantum antiferromagnets Cs₂Cu(Cl_4−xBr_x), Phys. Rev. B 91, 035124 (2015).
• M. Abdel-Hafiez, Y. Zhang, Z. He, J. Zhao, C. Bergmann, C. Krellner, C.-G. Duan, X. Lu, H. Luo, P. Dai, and X.-J. Chen, Nodeless superconductivity in the presence of spin-density wave in pnictide superconductors: The case of BaFe_2−xNi_xAs₂, Phys. Rev. B 91, 024510 (2015).

2014

• T. Gruner, D. Jang, A. Steppke, M. Brando, F. Ritter, C. Krellner, and C. Geibel, Unusual weak magnetic exchange in two different structure types: YbPt₂Sn and YbPt₂In, J. Phys.: Condens. Matter 26, 485002 (2014).
• S. Tencé, O. Janson, C. Krellner, H. Rosner, U. Schwarz, Y. Grin, and F. Steglich, CoBi₃–the first binary compound of cobalt with bismuth: high-pressure synthesis and superconductivity, J. Phys.: Condens. Matter 26, 395701 (2014).
• P. T. Cong, B. Wolf, N. van Well, A. A. Haghighirad, F. Ritter, W. Assmus, C. Krellner, M. Lang, Structural variations and magnetic properties of the quantum antiferromagnets Cs2CuCl_4-xBr_x, IEEE Transactions on Magnetics 50, 2700204 (2014).
• S. Patil, K. Kummer, A. Hannaske, C. Krellner, M. Kuhnt, S. Danzenbächer, C. Laubschat, C. Geibel and D. V. Vyalikh, Crystalline Electric Field Splitting of 4f States in YbIr₂Si₂: An ARPES View, JPS Conf. Proc. 3, 011001 (2014).
• F. Steglich, H. Pfau, S. Lausberg, S. Hamann, P. Sun, U. Stockert, M. Brando, S. Friedemann, C. Krellner, C. Geibel, S. Wirth, S. Kirchner, E. Abrahams, and Q. Si, Evidence of a Kondo Destroying Quantum Critical Point in YbRh₂Si₂, J. Phys. Soc. Jpn. 83, 061001 (2014).
• N. van Well, C. Klein, F. Ritter, W. Assmus, C. Krellner and M. Bolte, Two crown-ether-coordinated caesium halogen salts, Acta Cryst. C 70, 455 (2014).

2013

• H. R. Naren, S. Friedemann, G. Zwicknagl, C. Krellner, C. Geibel, F. Steglich, and S. Wirth, Lifshitz transitions and quasiparticle de-renormalization in YbRh2Si2, New J. Physics 15, 093032 (2013).
• U. Schwarz, S. Tencé, O. Janson, C. Koz, C. Krellner, U. Burkhardt, H. Rosner, F. Steglich, Yu. Grin, CoBi3: A Binary Cobalt–Bismuth Compound and Superconductor, Angew. Chem. Int. Ed. 52, 9853 (2013).
• H. Pfau, R. Daou, S. Lausberg, H. R. Naren, M. Brando, S. Friedemann, S. Wirth, T. Westerkamp, U. Stockert, P. Gegenwart, C. Krellner, C. Geibel, G. Zwicknagl, and F. Steglich, Interplay between Kondo Suppression and Lifshitz Transitions in YbRh2Si2 at High Magnetic Fields, Phys. Rev. Lett. 110, 256403 (2013).
• S. Lausberg, A. Hannaske, A. Steppke, L. Steinke, T. Gruner, L. Pedrero, C. Krellner, C. Klingner, M. Brando, C. Geibel, and F. Steglich, Doped YbRh2Si2: Not Only Ferromagnetic Correlations but Ferromagnetic Order, Phys. Rev. Lett. 110, 256402 (2013).
• A. Steppke, R. Küchler, S. Lausberg, E. Lengyel, L. Steinke, R. Borth, T. Lühmann, C. Krellner, M. Nicklas, C. Geibel, F. Steglich, M. Brando, Ferromagnetic Quantum Critical Point in the Heavy-Fermion Metal YbNi4(P1-xAsx)2, Science 339, 933 (2013).
• M. Scheffler, K. Schlegel, C. Clauss, D. Hafner, C. Fella, M. Dressel, M. Jourdan, J. Sichelschmidt, C. Krellner, C. Geibel, and F. Steglich, Microwave spectroscopy on heavy-fermion systems: Probing the dynamics of charges and magnetic moments, Phys. Status Solidi B 250, 439 (2013).
• A. Hannaske, O. Stockert, C. Klingner, C. Krellner, S. Matas, L. Pedrero, M. Brando, C. Geibel, F. Steglich, Magnetic properties of Yb(Rh0.42Co0.58)2Si2, Phys. Status Solidi B 250, 476 (2013).
• E. Schuberth, M. Tippmann, C. Krellner, F. Steglich, New magnetically ordered phases in YbRh2Si2, Phys. Status Solidi B 250, 482 (2013).
• M. Brando, L. Pedrero, T. Westerkamp, C. Krellner, P. Gegenwart, C. Geibel, F. Steglich, Magnetization study of the energy scales in YbRh2Si2 under chemical pressure, Phys. Status Solidi B 250, 485 (2013).
• U. Stockert, H. Pfau, S. Hartmann, S. Lausberg, S. Friedemann, C. Krellner, S. Wirth, C. Geibel, F. Steglich, Influence of Ir and La substitution on the thermal transport properties of YbRh2Si2, Phys. Status Solidi B 250, 491 (2013).
• R. Sarkar, P. Khuntia, J. Spehling, C. Krellner, C. Geibel, H.-H. Klauss, M. Baenitz, Static and dynamic susceptibility in the putative ferromagnetic quantum critical system YbNi4P2 probed by 31P NMR, Phys. Status Solidi B 250, 519 (2013).
• Z. Huesges, O. Stockert, M. M. Koza, C. Krellner, C. Geibel, F. Steglich, Crystalline electric field splitting in YbNi4P2 measured by inelastic neutron scattering, Phys. Status Solidi B 250, 522 (2013).
• M. Baenitz, R. Sarkar, P. Khuntia, C. Krellner, C. Geibel, F. Steglich, Ferromagnetic correlations in heavy fermions from an NMR point of view: YbNi4P2 vs. YbRh2Si2, Phys. Status Solidi C 10, 540 (2013).

2012

• S. Lausberg, J. Spehling, A. Steppke, A. Jesche, H. Luetkens, A. Amato, C. Baines, C. Krellner, M. Brando, C. Geibel, H.-H. Klauss, and F. Steglich, Avoided Ferromagnetic Quantum Critical Point: Unusual Short-Range Ordered State in CeFePO, Phys. Rev. Lett. 109, 216402 (2012).
• K. Kummer, D. V. Vyalikh, L. Rettig, R. Cortés, Yu. Kucherenko, C. Krellner, C. Geibel, U. Bovensiepen, M. Wolf, and S. L. Molodtsov, Ultrafast quasiparticle dynamics in the heavy-fermion compound YbRh2Si2, Phys. Rev. B 86, 085139 (2012).
• M. Holder, A. Jesche, P. Lombardo, R. Hayn, D. V. Vyalikh, S. Danzenbächer, C. Krellner, C. Geibel, E. D. L. Rienks, S. L. Molodtsov, and C. Laubschat, How chemical pressure affects the fundamental properties of rare-earth pnictides: ARPES view, Phys. Rev. B 86, 020506(R) (2012).
• A. Jesche, T. Förster, J. Spehling, M. Nicklas, M. de Souza, R. Gumeniuk, H. Luetkens, T. Goltz, C. Krellner, M. Lang, J. Sichelschmidt, H.-H. Klauss, and C. Geibel, Ferromagnetism and superconductivity in CeFeAs1−xPxO (0<x<40%), Phys. Rev. B 86, 020501(R) [Editors' Suggestion] (2012).
• O. Sichevych, C. Krellner, Yu. Prots, Yu. Grin and F. Steglich, Physical properties and crystal chemistry of Ce2Ga12Pt, J. Phys.: Condens. Matter 24, 256006 (2012).
• C. Krellner, S. Taube, T. Westerkamp, Z. Hossain, and C. Geibel, Single crystal growth of YbRh2Si2 and YbIr2Si2, Philos. Mag. 92, 2508 (2012).
• C. Krellner and C. Geibel, Magnetic anisotropy of YbNi4P2, J. Phys.: Conf. Ser. 391, 012032, (2012).
• F. Steglich, J. Arndt, O. Stockert, S. Friedemann, M.Brando, C. Klingner, C. Krellner, C. Geibel, and S.Wirth,  Magnetism, f-electron localization and superconductivity in 122-type heavy-fermion metals, J. Phys.: Condens. Matter 24, 294201 (2012).
• S. Wirth, S. Ernst, R. Cardoso-Gil, H. Borrmann, S. Seiro, C. Krellner, C. Geibel, S. Kirchner, U. Burkhardt, Yu. Grin, and F. Steglich, Structural investigations on YbRh2Si2: from atomic to macroscopic length scale, J. Phys.: Condens. Matter 24, 294203 (2012).
• H. Pfau, S. Hartmann, U. Stockert, P. Sun, S. Lausberg, M. Brando, S. Friedemann, C. Krellner, C. Geibel, S. Wirth, S. Kirchner, E. Abrahams, Q. Si, and F. Steglich, Thermal and Electrical Transport across a magnetic Quantum Critical Point, Nature 484, 493 (2012).
• R. Sarkar, P. Khuntia, C. Krellner, C. Geibel, F. Steglich, and M. Baenitz, 31P NMR investigations on the ferromagnetic quantum critical system YbNi4P2, Phys. Rev. B 85, 140409(R) (2012).
• J. Spehling, M. Günther, C. Krellner, N. Yèche, H. Luetkens, C. Baines, C. Geibel, and H.-H. Klauss, Magnetic order and spin dynamics in the proximity of a ferromagnetic quantum critical point: A μSR study of YbNi4P2, Phys. Rev. B 85, 140406(R) (2012).
• T. Gruner, J. Sichelschmidt, C. Klingner, C. Krellner, C. Geibel, and F. Steglich, Electron spin resonance of the Yb 4f moment in Yb(Rh1−xCox)2Si2, Phys. Rev. B 85, 035119 (2012).

2011

• S. Danzenbächer, D.V. Vyalikh, K. Kummer, C. Krellner, M. Holder, M. Höppner, Yu. Kucherenko, C. Geibel, M. Shi, L. Patthey, S.L.Molodtsov, and C. Laubschat, Insight into the f-derived Fermi surface of the heavy-fermion compound YbRh2Si2, Phys. Rev. Lett. 107, 267601 (2011).
• K. Kummer, Yu. Kucherenko, S. Danzenbächer, C. Krellner, C. Geibel, M. G. Holder, L. V. Bekenov, T. Muro, Y. Kato, T. Kinoshita, S. Huotari, L. Simonelli, S. L. Molodtsov, C. Laubschat, and D. V. Vyalikh, Intermediate valence in Yb compounds probed by 4f photoemission and resonant inelastic x-ray scattering, Phys. Rev. B 84, 245114 (2011).
• L. Pedrero, C. Klingner, C. Krellner, M. Brando, C. Geibel, and F. Steglich, Magnetic phase diagram of YbCo2Si2 derived from magnetization measurements, Phys. Rev. B 84, 224401 (2011).
• C. Krellner, S. Lausberg, A. Steppke, M. Brando, L. Pedrero, H. Pfau, S. Tence, H. Rosner, F. Steglich, and C. Geibel, Ferromagnetic quantum criticality in the quasi-one-dimensional heavy fermion metal YbNi4P2, New J. Physics 13, 103014 [IOP select] (2011).
• S. Ernst, S. Kirchner, C. Krellner, C. Geibel, G. Zwicknagl, F. Steglich, and S. Wirth, Emerging local Kondo screening and spatial coherence in the heavy-fermion metal YbRh2Si2, Nature 474, 362 (2011).
• C. Klingner, C. Krellner, M. Brando, C. Geibel, and F. Steglich, Magnetic behaviour of the intermetallic compound YbCo2Si2, New J. Physics 13, 083024 (2011).
• C. Klingner, C. Krellner, M. Brando, D.V. Vyalikh, K. Kummer, S. Danzenbächer, S.L. Molodtsov, C. Laubschat, T. Kinoshita, Y. Kato, T. Muro, C. Geibel, and F. Steglich, Evolution of magnetism in Yb(Rh1−xCox)2Si2, Phys. Rev. B 83, 144405 [Editors' Suggestion] (2011).
• S. Friedemann, N. Oeschler, S.Wirth, C. Krellner, C. Geibel, F. Steglich, S. Paschen, S. Kirchner, and Q. Si, Discontinuous Hall coefficient at the quantum critical point in YbRh2Si2, J. Phys.: Condens. Matter 23, 094216,  (2011).

2010

• D. V. Vyalikh, S. Danzenbächer, Yu. Kucherenko, K. Kummer, C. Krellner, C. Geibel, M. G. Holder, T. K. Kim, C. Laubschat, M. Shi, L. Patthey, R. Follath, and S. L. Molodtsov, k Dependence of the Crystal-Field Splittings of 4f States in Rare-Earth Systems, Phys. Rev. Lett. 105, 237601 (2010).
• T. Iizuka, S. Kimura, A. Herzog, J. Sichelschmidt, C. Krellner, C. Geibel, and F. Steglich, Temperature- and Magnetic-Field-Dependent Optical Properties of Heavy Quasiparticles in YbIr2Si2, J. Phys. Soc. Jpn. 79, 123703 (2010).
• S. Friedemann, T. Westerkamp, M. Brando, N. Oeschler, P. Gegenwart, C. Krellner, C. Geibel, S. MaQuilon, Z. Fisk, F. Steglich, and S. Wirth, Magnetic and Electronic Quantum Criticality in YbRh2Si2, J. Low Temp. Phys. 161, 67 (2010).
• T. Förster, J. Sichelschmidt, C. Krellner, C. Geibel, and F. Steglich, Electron spin resonance of the ferromagnetic Kondo lattice CeRuPO, J. Phys.: Condens. Matter 22, 435603 (2010).
• S. Friedemann, N. Oeschler, S. Wirth, C. Krellner, C. Geibel, F. Steglich, S. Paschen, S. Kirchner, and Q. Si, Fermi-surface collapse and dynamical scaling near a quantum-critical point, Proc. Natl. Acad. Sci. U.S.A. 107, 14547 (2010).
• R. Sarkar, A. Jesche, C. Krellner, M. Baenitz, C. Geibel, C. Mazumdar, and A. Poddar, Interplay between Co 3d and Ce 4f magnetism in CeCoAsO, Phys. Rev. B 82, 054423 (2010).
• D.V.Vyalikh, S. Danzenbächer, C. Krellner, K. Kummer, C. Geibel, Y. Kucherenko, C. Laubschat, M .Shi, L. Patthey, R. Follath, S.L. Molodtsov, Tuning the dispersion of 4f  bands in the heavy-fermion material YbRh2Si2, J. Electron Spectrosc. 181, 70 (2010).
• S. Friedemann, S. Wirth, N. Oeschler, C. Krellner, C. Geibel, F. Steglich, S. MaQuilon, Z. Fisk, S. Paschen, and G. Zwicknagl, Hall effect measurements and electronic structure calculations on YbRh2Si2 and its reference compounds LuRh2Si2 and YbIr2Si2, Phys. Rev. B 82, 035103 (2010).
• J. Sichelschmidt, J. Wykhoff, T. Gruner, C. Krellner, C. Klingner, C. Geibel, F. Steglich, H.-A. Krug von Nidda, D. V. Zakharov, A. Loidl, and I. Fazlizhanov, Effect of pressure on the Electron Spin Resonance of a Heavy-Fermion metal, Phys. Rev. B 81, 205116 (2010).
• A. Jesche, C. Krellner, M. de Souza, M. Lang, and C. Geibel, Coupling between the structural and magnetic transition in CeFeAsO, Phys. Rev. B 81, 134525 (2010).
• W. L. Kalb, S. Haas, C. Krellner, T. Mathis, and B. Batlogg, Trap density of states in small molecule organic semiconductors: A quantitative comparison of thin-film transistors with single crystals, Phys. Rev. B 81, 155315 [Editors' Suggestion] (2010).
• S. Hartmann, N. Oeschler, C. Krellner, C. Geibel, S. Paschen, and F. Steglich, Thermopower evidence for an abrupt Fermi surface change at the quantum critical point of YbRh2Si2, Phys. Rev. Lett. 104, 096401 (2010).
• M. Holder, A. Jesche, P. Lombardo, R. Hayn, D. V. Vyalikh, S. Danzenbacher, K. Kummer, C. Krellner, C. Geibel, Yu. Kucherenko, T. K. Kim, R. Follath, S. L. Molodtsov, and C. Laubschat, CeFePO: f-d hybridization and quenching of superconductivity, Phys. Rev. Lett. 104, 096402 (2010).
• F. Steglich, J. Arndt, S. Friedemann, C. Krellner, Y. Tokiwa, T. Westerkamp, M. Brando, P. Gegenwart, C. Geibel, S. Wirth, and O. Stockert, Superconductivity versus quantum criticality: what can we learn from heavy fermions?, J. Phys.: Condens. Matter 22, 164202 (2010)
• T. Gruner, J. Wykhoff, J. Sichelschmidt, C. Krellner, C. Geibel, and F. Steglich, Anisotropic electron spin resonance of YbIr2Si2, J. Phys.: Condens. Matter 22, 135602 (2010).
• C. Krellner, C. Klingner, C. Geibel, and F. Steglich, Development of the critical exponent at the antiferromagnetic phase transition of YbRh2Si2 under chemical pressure, Phys. Status Solidi B 247, 734 (2010).
• N. Mufti, C. Klingner, L. Pedrero, M. Brando, K. Kaneko, C. Krellner, O. Stockert, and C. Geibel, Pronounced basal plane anisotropy in the magnetoresistance of YbCo2Si2, Phys. Status Solidi B 247, 743 (2010).
• M. Nicklas, M. E. Macovei, J. Ferstl, C. Krellner, C. Geibel, and F. Steglich, Effect of chemical substitution and pressure on YbRh2Si2, Phys. Status Solidi B 247, 727 (2010).
• A. Steppke, M. Brando, N. Oeschler, C. Krellner, C. Geibel, and F. Steglich, Nuclear contribution to the specific heat of Yb(Rh0.93Co0.07)2Si2, Phys. Status Solidi B 247, 737 (2010).
• J. Sichelschmidt, T. Kambe, I. Fazlishanov, D. Zakharov, H.-A. Krug von Nidda, J. Wykhoff, A. Skvortsova, S. Belov, A. Kutuzov, B.I. Kochelaev, V. Pashchenko, M. Lang, C. Krellner, C. Geibel, and F. Steglich, Low temperature properties of the electron spin resonance in YbRh2Si2, Phys. Status Solidi B 247, 747 (2010).
• C. Klingner, C. Krellner, and C. Geibel, Magnetic field dependence of the antiferromagnetic phase transitions in Co-doped YbRh2Si2, J. Phys.: Conf. Ser. 200, 012089 (2010).
• S. Friedemann, N. Oeschler, C. Krellner, C. Geibel, and F. Steglich, Quantum criticality in Yb(Rh0.97Co0.03)2Si2 probed by low-temperature resistivity, J. Phys.: Conf. Ser. 200, 012038 (2010).
• L. Pedrero, M. Brando, C. Klingner, C. Krellner, C. Geibel, and F. Steglich, H – T phase diagram of YbCo2Si2 with H // [100], J. Phys.: Conf. Ser. 200, 012157 (2010).
• K. Kaneko, O. Stockert, N. Mufti, K. Kiefer, C. Klingner, C. Krellner, C. Geibel, and F. Steglich, Magnetic transitions in YbCo2Si2, J. Phys.: Conf. Ser. 200, 032031 (2010).

2009

• A. Jesche, C. Krellner, M. de Souza, M. Lang, and C. Geibel, Rare earth magnetism in CeFeAsO: a single crystal study, New J. Physics 11, 103050 (2009).
• D.V. Vyalikh, S. Danzenbächer, Yu. Kucherenko, C. Krellner, C. Geibel, C. Laubschat, M. Shi, L. Patthey, R. Follath, and S. L. Molodtsov, Tuning the hybridization at the Surface of a Heavy-Fermion System, Phys. Rev. Lett. 103, 137601 (2009).
• C. Krellner, U. Burkhardt, and C. Geibel, Interplay between 3d and 4f magnetism in CeCoPO, Physica B 404, 3206 (2009).
• M. E. Macovei, M. Nicklas, C. Krellner, C. Geibel, and F. Steglich, Pressure-temperature phase diagram of the ferromagnetic Kondo lattice compound CeRuPO, Physica B 404, 2934 (2009).
• S. Friedemann, N. Oeschler, C. Krellner, C. Geibel, and F. Steglich, Electrical resistivity of Yb(Rh1-xCox)2Si2 single crystals at low temperatures, Physica B 404, 2890 (2009).
• S. Friedemann, T. Westerkamp, M. Brando, N. Oeschler, S. Wirth, P. Gegenwart, C. Krellner, C. Geibel, and F. Steglich, Detaching the antiferromagnetic quantum critical point from the Fermi-surface reconstruction in YbRh2Si2, Nature Physics 5, 465 (2009).
• C. Krellner, S. Hartmann, A. Pikul, N. Oeschler, J. G. Donath, C. Geibel, F. Steglich, and J. Wosnitza, Violation of Critical Universality at the Antiferromagnetic Phase Transition of YbRh2Si2, Phys. Rev. Lett. 102, 196402 (2009).
• U. Schaufuß, V. Kataev, A. A. Zvyagin, B. Büchner, J. Sichelschmidt, J. Wykhoff, C. Krellner, C. Geibel, and F. Steglich, Evolution of the Kondo State of YbRh2Si2 Probed by High-Field ESR, Phys. Rev. Lett. 102, 076405 (2009).
• S. Danzenbächer, D. V. Vyalikh, Yu. Kucherenko, A. Kade, C. Laubschat, N. Caroca-Canales, C. Krellner, C. Geibel, A. V. Fedorov, D. S. Dessau, R. Follath, W. Eberhardt, and S. L. Molodtsov; Hybridization Phenomena in Nearly-Half-Filled f-Shell Electron Systems: Photoemission Study of EuNi2P2, Phys. Rev. Lett. 102, 026403 (2009). On the Cover of Vol. 102 Iss.2.
• V. Kataev, U. Schaufuß, B. Büchner, A. A. Zvyagin, J. Sichelschmidt, J. Wykhoff, C. Krellner, C. Geibel, and F. Steglich, High-Field ESR study of the Kondo lattice system YbRh2Si2, J. Phys.: Conf. Ser. 150, 042085 (2009).
• E. Schuberth, M. Tippmann, M. Kath, C. Krellner, C. Geibel, T. Westerkamp, C. Klingner, and F. Steglich, Magnetization Measurements on YbRh2Si2 at Very Low Temperatures, J. Phys.: Conf. Ser. 150, 042178 (2009).
• S. Hartmann, N. Oeschler, C. Krellner, C. Geibel, and F. Steglich, Low-temperature thermopower study of YbRh2Si2, J. Phys.: Conf. Ser. 150, 042049 (2009).

2008

• K. Kaneko, A. Hoser, N. Caroca-Canales, A. Jesche, C. Krellner, O. Stockert, and C. Geibel, Columnar magnetic structure coupled with orthorhombic distortion in the antiferromagnetic iron arsenide SrFe2As2, Phys. Rev. B 78, 212502 (2008).
• M. E. Macovei, M. Nicklas, C. Krellner, C. Geibel, and F. Steglich, The effect of pressure and Ir substitution in YbRh2Si2, J. Phys.: Condens. Matter 20, 505205 (2008).
• A. S. Kutuzov, A. M. Skvortsova, S. I. Belov, J. Sichelschmidt, J. Wykhoff, I. Eremin, C. Krellner, C. Geibel, and B. I. Kochelaev, Magnetic susceptibility of YbRh2Si2 and YbIr2Si2 on the basis of a localized 4f electron approach, J. Phys.: Condens. Matter 20, 455208 (2008).
• A. Jesche, N. Caroca-Canales, H. Rosner, H. Borrmann, A. Ormeci, D. Kasinathan, H. H. Klauss, H. Luetkens, R. Khasanov, A. Amato, A. Hoser, K. Kaneko, C. Krellner, and C. Geibel, Strong coupling between magnetic and structural order parameters in SrFe2As2, Phys. Rev. B 78, 180504(R) (2008).
• E. M. Brüning, C. Krellner, M. Baenitz, A. Jesche, F. Steglich, and C. Geibel, CeFePO: A Heavy Fermion Metal with Ferromagnetic Correlations, Phys. Rev. Lett. 101, 117206 (2008).
• C. Krellner, N. Caroca-Canales, A. Jesche, H. Rosner, A. Ormeci, and C. Geibel, Magnetic and structural transitions in layered iron arsenide systems: AFe2As2 versus RFeAsO, Phys. Rev. B 78, 100504(R) (2008).
• C. Krellner, T. Förster, H. Jeevan, C. Geibel, and J. Sichelschmidt, Relevance of ferromagnetic correlations for the Electron Spin Resonance in Kondo lattice systems, Phys. Rev. Lett. 100, 066401 [Editors' Suggestion] (2008).
• D.V. Vyalikh, S. Danzenbächer, A.N. Yaresko, M. Holder, Yu. Kucherenko, C. Laubschat, C. Krellner, Z. Hossain, C. Geibel, M. Shi, L. Patthey, and S.L. Molodtsov; Photoemission Insight into Heavy-Fermion Behavior in YbRh2Si2, Phys. Rev. Lett. 100, 056402 (2008).
• J. Sichelschmidt, S. Kimura, C. Krellner, C. Geibel, and F. Steglich; Optical properties of YbRh2Si2 and YbIr2Si2: A comparison, Physica B 403, 775 (2008).
• P. Gegenwart, T. Westerkamp, C. Krellner, M. Brando, Y. Tokiwa, C. Geibel, and F. Steglich; Unconventional quantum criticality in YbRh2Si2, Physica B 403, 1184 (2008).
• T. Westerkamp, P. Gegenwart, C. Krellner, C. Geibel, and F. Steglich; Low-temperature magnetic susceptibility of Yb(Rh1-xMx)2Si2(M=Ir,Co) single crystals, Physica B 403, 1236 (2008).
• S. Friedemann, N. Oeschler, C. Krellner, C. Geibel, S. Wirth, F. Steglich, S. Paschen, S. MaQuilon, and Z. Fisk; Band-structure and anomalous contributions to the Hall effect of YbRh2Si2, Physica B 403, 1251 (2008).
• N. Oeschler, S. Hartmann, A.P. Pikul, C. Krellner, C. Geibel, and F. Steglich; Low-temperature specific heat of YbRh2Si2, Physica B 403, 1254 (2008).
• M. Kriegisch, J. Custers, C. Geibel, G. Hilscher, C. Krellner, M. Müller, F. Steglich, and S. Paschen; Hall effect of YbIr2Si2, Physica B 403, 1295 (2008).
• C. Krellner and C. Geibel, Single crystal growth and anisotropy of CeRuPO, J. Cryst. Growth 310, 1875 (2008).

2007

• J. Wykhoff, J. Sichelschmidt, G. Lapertot, G. Knebel, J. Flouquet, I.I. Fazlishanov, H.-A. Krug von Nidda, C. Krellner, C. Geibel, and F. Steglich, On the local and itinerant properties of the ESR in YbRh2Si2, Sci. Techn. Adv. Mat. 8, 389 (2007).
• C. Krellner, N.S. Kini, E.M. Brüning, K. Koch, H. Rosner, M. Nicklas, M.Baenitz, and C. Geibel, CeRuPO: A rare example of a ferromagnetic Kondo lattice, Phys. Rev. B 76, 104418 (2007).
• C. Krellner, S. Haas, C. Goldmann, K. P. Pernstich, D. J. Gundlach, and B. Batlogg, Density of bulk trap states in organic semiconductor crystals: discrete levels induced by oxygen in rubrene, Phys. Rev. B 75, 245115 (2007).
• P. Gegenwart, T. Westerkamp, C. Krellner, Y. Tokiwa, S. Paschen, C. Geibel, F. Steglich, E. Abrahams, and Q. Si; Multiple energy scales at a quantum critical point, Science 315, 969 (2007).
• S. Danzenbächer, Yu. Kucherenko, D.V. Vyalikh, M. Holder, C. Laubschat, A.N. Yaresko, C. Krellner, Z. Hossain, C. Geibel, X.J. Zhou, W.L. Yang, N. Mannella, Z. Hussain, Z.-X. Shen, M. Shi, L. Patthey, and S.L. Molodtsov; Momentum dependence of 4f-Hybridization in heavy fermion compounds: Angle resolved photoemission study of YbIr2Si2 and YbRh2Si2, Phys. Rev. B 75, 045109 (2007).
• J. Wykhoff, J. Sichelschmidt, J.Ferstl, C. Krellner, C. Geibel, F. Steglich, I. Fazlishanov, and H.-A. Krug von Nidda; Electron Spin Resonance in YbRh2Si2: the role of the residual linewidth, Physica C 460-462, 686 (2007).
• J. Sichelschmidt, J. Wykhoff, H.-A. Krug von Nidda, I.I. Fazlishanov, Z. Hossain, C. Krellner, C. Geibel, and F. Steglich; Electron Spin Resonance of YbIr2Si2 below the Kondo temperature, J. Phys. Cond. Mat. 19, 016211 (2007).

2006

• S. Kimura, J. Sichelschmidt, J. Ferstl, C. Krellner, C. Geibel, and F. Steglich; Optical observation of non-Fermi-liquid behavior in the heavy fermion state of YbRh2Si2, Phys. Rev. B 74, 132408 (2006).
• P. Gegenwart, Y. Tokiwa, T. Westerkamp, F. Weickert, J. Custers, J. Ferstl, C. Krellner, C. Geibel, P. Kerschl, K-H. Müller, and F. Steglich; High-field phase diagram of the heavy-fermion metal YbRh2Si2, New J.  Physics 8, 171 (2006).
• Z. Hossain, C. Geibel, T. Radu, Y. Tokiwa, F. Weickert, C. Krellner, H. S. Jeevan, P. Gegenwart, and F. Steglich; Low temperature properties of the heavy fermion system YbIr2Si2, Physica B 378-380, 74 (2006).
• S. Hartmann, U. Köhler, N. Oeschler, S. Paschen, C. Krellner, C. Geibel and F. Steglich; Thermal transport properties of the heavy-fermion compound YbRh2(Si1-xGex)2, Physica B 378-380, 70 (2006).
• C. Goldmann, C. Krellner, K. P. Pernstich, S. Haas, D. J. Gundlach, and B. Batlogg, Determination of the interface trap density of rubrene single-crystal field-effect transistors and comparison to the bulk trap density, J. Appl. Phys 99, 034507 (2006).

2004

• C. Goldmann, C. Krellner, K. P. Pernstich, S. Haas, D. J. Gundlach, and B. Batlogg, Investigation of charge transport in organic single crystals using a “flip-crystal" field-effect technique, IEEE ESSDERC 2004, 409 (2004).
• C. Goldmann, S. Haas, C. Krellner, K. P. Pernstich, D. J. Gundlach, and B. Batlogg, Hole mobility in organic single crystals measured by a flip-crystal field-effect technique, J. Appl. Phys 96, 2080 (2004).
• K. P. Pernstich, C. Goldmann, C. Krellner, D. Oberhoff, D. J. Gundlach, and B. Batlogg, Shifted transfer characteristics of organic thin film and single crystal FETs, Synthetic Metals 146, 325 (2004).
• J. Takeya, T. Nishikawa, T. Takenobu, S. Kobayashi, C. Goldmann, C. Krellner, T. Shimoda, T. Mitani, Y. Iwasa, B. Batlogg, Effects of polarized organosilane self-assembled monolayers on organic single-crystal field-effect transistors, Appl. Phys. Lett. 85, 5078 (2004).