Publications
2026
| Uniaxial-stress-induced magnetic transitions in the triangular-lattice antiferromagnet PdCrO2, N. Stilkerich, T. Ritschel, H. M. L. Noad, R. Waite, D. Khalyavin, K. Ishida, P. Manuel, F. Orlandi, S. Khim, E. Gati, A. P. Mackenzie, J. Geck and C. W. Hicks, Rep. Prog. Phys. 89 068007 (2026) |
| Field-induced magnetic phases in the Kitaev candidate Na3Co2SbO6, K. K. Bestha, M. Sahoo, N. Francini, R. Kluge, R. Morrow, A. Maljuk, S. Wurmehl, S. Luther, Y. Sk-
ourski, H. Kühne, S. Mishra, J. Geck, M. Brando, B. Büchner, L. T. Corredor, L. Janssen, and A. U. B. Wolter, Phys. Rev. B 113, L100412 (2026) |
2025
| Magnetism and electronic dynamics in CuCr2-xSnxS4 spinels studied by transferred hyperfine fields at 119Sn and muon spin rotation and relaxation, Elaheh Sadrollahi, Cynthia P. C. Medrano, Magno A.V. Heringer, E. M. Baggio Saitovitch, Lilian Prodan, Vladimir Tsurkan, and F. Jochen Litterst, Eur. Phys. J. B (in press) |
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Twisted and screw dislocation-driven growth of MoSe2 nanostructures by chemical vapor transport, Philip Putze, Daniel Wolf, Paul Chekhonin, Alexey A. Popov, Tobias Ritschel, Axel Lubk, Jochen Geck, Bernd Büchner, Peer Schmidt, Silke Hampel, Nano Research 18, 94908020 (2025) |
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Creating chirality in WSe2 through screw dislocations by chemical vapor transport, Philip Putze, Tobias Ritschel, Paul Chekhonin, Jochen Geck, Daniel Wolf, Alexey A. Popov, Bernd Büchner, Peer Schmidt and Silke Hampel, Nanoscale Horiz 10, 944-956 (2025) |
2024
| Pressure-Dependent Electronic Superlattice in the Kagome Superconductor CsV3Sb5, F. Stier, A.-A. Haghighirad, G. Garbarino, S. Mishra, N. Stilkerich, D. Chen, C. Shekhar, T. Lacmann, C. Felser, T. Ritschel, J. Geck, M. Le Tacon, Phys. Rev. Lett. 133, 236503 (2024) |
| Pressure-tuning of α-RuCl3 towards a quantum spin liquid, Q. Stahl, T. Ritschel, G. Garbarino, F. Cova, A. Isaeva, T. Doert & J. Geck, Nature Commun. 15, 8142 (2024) |
| Magnetism of CuCr2X4 (X=S and Se) spinels studied with muon spin rotation and relaxation, Elaheh Sadrollahi, F. Jochen Litterst, Lilian Prodan, Vladimir Tsurkan, and Alois Loidl, Phys. Rev. B 110, 054439 (2024) |
| Interfacial Distortion of Sb2Te3–Sb2Se3 Multilayers via Atomic Layer Deposition for Enhanced Thermoelectric Properties, Jun Yang, Mohammadreza Daqiqshirazi, Tobias Ritschel, Amin Bahrami, Sebastian Lehmann, Daniel Wolf, Wen Feng, Almut Pöhl, Jaroslav Charvot, Filip Bures, Thomas Brumme, Axel Lubk, Jochen Geck, and Kornelius Nielsch, ACS Nano (2024) |
| Orbital-selective time-domain signature of nematicity dynamics in the charge-density-wave phase of La1.65Eu0.2Sr0.15CuO4, Martin Bluschke, Naman K. Gupta , Hoyoung Jang, Ali. A. Husain, Byungjune Lee, Minjune Kim, MengXing Na, Brandon Dos Remedios, Steef Smit, Peter Moen, Sang-Youn Park, Minseok Kim, Dogeun Jang, Hyeongi Choi, Ronny Sutarto, Alexander H. Reid, Georgi L. Dakovski, Giacomo Coslovich, Quynh L. Nguyen, Nicolas G. Burdet, Ming-Fu Lin, Alexandre Revcolevschi, Jae-Hoon Park, Jochen Geck, Joshua J. Turner, Andrea Damascelli, and David G. Hawthorn, PNAS 121, e2400727121 (2024) |
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Disentangling the Unusual Magnetic Anisotropy of the Near-Room-Temperature Ferromagnet Fe4GeTe2, Riju Pal, Joyal John Abraham, Alexander Mistonov, Swarnamayee Mishra, Nina Stilkerich, Suchanda Mondal, Prabhat Mandal, Atindra Nath Pal, Jochen Geck, Bernd Büchner, Vladislav Kataev, Alexey Alfonsov, Adv. Funct. Mater. 2024, 2402551 |
2023
| Tuning strategy for Curie-temperature enhancement in the van der Waals magnet Mn1+xSb2−xTe4, M. Sahoo, M.C. Rahn, E. Kochetkova, O. Renier, L.C. Folkers, A. Tcakaev, M.L. Amigó, F.M. Stier, V. Pomjakushin, K. Srowik, V.B. Zabolotnyy, E. Weschke, V. Hinkov, A. Alfonsov, V. Kataev, B. Büchner, A.U.B. Wolter, J.I. Facio, L.T. Corredor, A. Isaeva, Materials Today Physics 38, 101265 (2023) |
| Low-Temperature ALD of SbOx/Sb2Te3 Multilayers with Boosted Thermoelectric Performance, Jun Yang, Samik Mukherjee, Sebastian Lehmann, Fabian Krahl, Xiaoyu Wang, Pavel Potapov, Axel Lubk, Tobias Ritschel, Jochen Geck, Kornelius Nielsch, Small 2023, 2306350 (2023) |
| Maximized K/J ratio and cubiclike jeff=1/2 moments in a noncubic environment in α−RuCl3 under pressure, Pritam Bhattacharyya, Liviu Hozoi, Satoshi Nishimoto, Quirin Stahl, Jochen Geck, and Nikolay A. Bogdanov, Phys. Rev. B 108, L161107 (2023) |
| Growth, structural characterization, DFT study, and magnetic properties of the NdAuIn crystal, V.V. Romaka, C.G.F. Blum, E. Sadrollahi, B. Büchner, S. Seiro, Journal of Crystal Growth 619, 127332 (2023) |
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Electronic dispersion, correlations and stacking in the photoexcited state of 1T-TaS2, |
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Understanding unconventional magnetic order in a candidate axion insulator by resonant elastic x-ray scattering, |
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Molecular engineering of naphthalene spacers in low-dimensional perovskites, |
2022
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Stabilization mechanism of molecular orbital crystals in IrTe2, |
| Incommensurate and multiple-q magnetic misfit order in the frustrated quantum spin ladder material antlerite Cu3SO4(OH)4, Anton A. Kulbakov, Elaheh Sadrollahi, Florian Rasch, Maxim Avdeev, Sebastian Gaß, Laura Teresa Corredor Bohorquez, Anja U. B. Wolter, Manuel Feig, Roman Gumeniuk, Hagen Poddig, Markus Stötzer, F. Jochen Litterst, Inés Puente-Orench, Andrew Wildes, Eugen Weschke, Jochen Geck, Dmytro S. Inosov, Darren C. Peets, Phys. Rev. B 106, 174431 (2022) |
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Kondo quasiparticle dynamics observed by resonant inelastic x-ray scattering, |
| Coupled frustrated ferromagnetic and antiferromagnetic quantum spin chains in the quasi-one-dimensional mineral antlerite Cu3SO4(OH)4, Anton A. Kulbakov, Denys Y. Kononenko, Satoshi Nishimoto, Quirin Stahl, Aswathi Mannathanath Chakkingal, Manuel Feig, Roman Gumeniuk, Yurii Skourski, Lakshmi Bhaskaran, Sergei A. Zvyagin, Jan Peter Embs, Inés Puente-Orench, Andrew Wildes, Jochen Geck, Oleg Janson, Dmytro S. Inosov, and Darren C. Peets, Phys. Rev. B 106, L020405 (2022) |
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Temperature-driven reorganization of electronic order in CsV3Sb5, Q. Stahl, D. Chen, T. Ritschel, C. Shekhar, E. Sadrollahi, M. C. Rahn, O. Ivashko, M. v. Zimmermann, C. Felser, and J. Geck, Phys. Rev. B 105, 195136 (2022) |
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Fermi surface chirality induced in a TaSe2 monosheet formed by a Ta/Bi2Se3 interface reaction, A. Polyakov, K. Mohseni, R. Felici, C. Tusche, Y.-J. Chen, V. Feyer, J. Geck, T. Ritschel, A. Ernst, J. Rubio-Zuazo, G. R. Castro, H. L. Meyerheim, and S. S. P. Parkin, |
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The Intermetallic Semiconductor ht-IrGa3: a Material in the in-Transformation State, Raúl Cardoso-Gil, Iryna Zelenina, Quirin E. Stahl, Matej Bobnar, Primož Koželj, Mitja Krnel, Ulrich Burkhardt, Igor Veremchuk, Paul Simon, Wilder Carrillo-Cabrera, Magnus Boström, and Yuri Grin, ACS Mater. Au 2, 45–54 (2022) |
2021
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Revisiting the influence of Fe excess in the synthesis of BaFe2S3, |
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Hidden Charge Order in an Iron Oxide Square-Lattice Compound, Jung-Hwa Kim, Darren C. Peets, Manfred Reehuis, Peter Adler, Andrey Maljuk, Tobias Ritschel, Morgan C. Allison, Jochen Geck, Jose R. L. Mardegan, Pablo J. Bereciartua Perez, Sonia Francoual, Andrew C. Walters, Thomas Keller, Paula M. Abdala, Philip Pattison, Pinder Dosanjh, and Bernhard Keimer, Phys. Rev. Lett. 127, 097203 (2021) |
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Intrinsic versus extrinsic orbital and electronic reconstructions at complex oxide interfaces, R. J. Green, V. Zabolotnyy, M. Zwiebler, Z. Liao, S. Macke, R. Sutarto, F. He, M. Huijben, G. Rijnders, G. Koster, J. Geck, V. Hinkov, and G. A. Sawatzky, Phys. Rev. Materials 5, 065004 (2021) |
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Laser-Assisted Floating Zone Growth of BaFe2S3 Large-Sized Ferromagnetic-Impurity-Free Single Crystals, Maria Lourdes Amigó, Andrey Maljuk, Kaustuv Manna, Quirin Stahl, Claudia Felser, Christian Hess, Anja U.B. Wolter, Jochen Geck, Silvia Seiro, Bernd Büchner, Crystals 11, 758 (2021) |
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Collinear antiferromagnetic order in URu2Si2−xPx revealed by neutron diffraction, |
| Robust Narrow-Gap Semiconducting Behavior in Square-Net La3Cd2As6, Mario M. Piva, Marein C. Rahn, Sean M. Thomas, Brian L. Scott, Pascoal G. Pagliuso, Joe D. Thompson, Leslie M. Schoop, Filip Ronning, and Priscila F. S. Rosa, Chemistry of Materials Article ASAP, DOI: 10.1021/acs.chemmater.1c00797 |
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Study on the structural phase transitions in NaSICON-type compounds using Ag3Sc2(PO4)3 as a model system, |
2020
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Phonons,Q-dependent Kondo spin fluctuations, and 4f phonon resonance in YbAl3, D. Christianson, Victor R. Fanelli, Lucas Lindsay, Sai Mu, Marein C. Rahn, Daniel G. Mazzone, Ayman H. Said, Filip Ronning, Eric D. Bauer, Jon M. Lawrence, Phys. Rev. B 102, 205135 (2020) |
| Transition from a uni- to a bimodal interfacial charge distribution in LaAlO3/SrTiO3 upon cooling, M. Zwiebler, E. Di Gennaro, J. E. Hamann-Borrero, T. Ritschel, R. J. Green, G. A. Sawatzky, E. Schierle, E. Weschke, A. Leo, F. Miletto Granozio, and J. Geck, Sci. Rep. 10, 18359 (2020) |
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Effect of structural and magnetic disorder on the 3d−5d exchange interactions in |
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Magnetic and orbital correlations in multiferroic CaMn7O12 probed by x-ray resonant elastic scattering, K. Gautam, S. S. Majid, S. Francoual, A. Ahad, K. Dey, M. C. Rahn, R. Sankar, F. C. Chou, and D. K. Shukla, Phys. Rev. B 101, 224430 (2020) |
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Collapse of layer dimerization in the photo-induced hidden state of 1T-TaS2, |
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Nematic State in CeAuSb2, S. Seo, X. Wang, S. M. Thomas, M. C. Rahn, D. Carmo, F. Ronning, E. D. Bauer, R. D. dos Reis, M. Janoschek, J. D. Thompson, R. M. Fernandes, and P. F. S. Rosa, Phys. Rev. X 10, 011035 (2020) |
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Incommensurate magnet iron monophosphide FeP: Crystal growth and characterization, I. O. Chernyavskii, S. E. Nikitin,Y. A. Onykiienko, D. S. Inosov, Q. Stahl, J. Geck, X. C. Hong, C. Hess, S. Gass, A. U. B. Wolter, D. Wolf, A. Lubk, D. V. Efremov, F. Yokaichiya, S. Aswartham, B. Büchner and I. V. Morozov, |
2019
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An ideal Weyl semimetal induced by magnetic exchange, J.-R. Soh, F. de Juan, M. G. Vergniory, N. B. M. Schröter, M. C. Rahn, D. Y. Yan, M. Bristow, P. A. Reiss, J. N. Blandy, Y. F. Guo, Y. G. Shi, T. K. Kim, A. McCollam, S. H. Simon, Y. Chen, A. I. Coldea, and A. T. Boothroyd, Phys. Rev. B 100, 201102(R) (2019) |
| Structural and spectroscopic characterization of the brownmillerite- type Ca2Fe2−xGaxO5 solid solution series, Quirin E. Stahl, Günther J. Redhammer, Gerold Tippelt, Andreas Reyer, Phys. Chem. Minerals 46, 271–298 (2019) |
2018
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Stacking-driven gap formation in layered 1T-TaS2, T. Ritschel, H. Berger, and J. Geck, Phys. Rev. B 98, 195134 (2018) |
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Pressure-induced dimerization and valence bond crystal formation in the Kitaev-Heisenberg magnet α−RuCl3, G. Bastien, G. Garbarino, R. Yadav, F. J. Martinez-Casado, R. Beltrán Rodríguez, Q. Stahl, M. Kusch, S. P. Limandri, R. Ray, P. Lampen-Kelley, D. G. Mandrus, S. E. Nagler, M. Roslova, A. Isaeva, T. Doert, L. Hozoi, A. U. B. Wolter, B. Büchner, J. Geck, and J. van den Brink, Phys. Rev. B 97, 241108(R) (2018) |
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Comment on 'Oxygen vacancy-induced magnetic moment in edge-sharing CuO2 chains of Li2CuO2', R O Kuzian, R Klingeler, W E A Lorenz, N Wizent, S Nishimoto, U Nitzsche, H Rosner, D Milosavljevic, L Hozoi, R Yadav, J Richter, A Hauser, J Geck, R Hayn, V Yushankhai, L Siurakshina, C Monney, T Schmitt, J Thar, G Roth, T Ito, H Yamaguchi, M Matsuda, S Johnston, J Málek and S-L Drechsler, New J. Phys. 20, 058001 (2018) |
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Structures on Different Time Scales, Ed. by T. Woike and D. Schaniel, De Gruyter, ISBN 978-3-11-043392-0, Published 2018 |
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Observation of heavy spin-orbit excitons propagating in a nonmagnetic background: The case of (Ba,Sr)2YIrO6, M. Kusch, V. M. Katukuri, N. A. Bogdanov, B. Büchner, T. Dey, D. V. Efremov, J. E. Hamann-Borrero, B. H. Kim, M. Krisch, A. Maljuk, M. Moretti Sala, S. Wurmehl, G. Aslan-Cansever, M. Sturza, L. Hozoi, J. van den Brink, and J. Geck, Phys. Rev. B 97, 064421 (2018) |
2017
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Site-selective spectroscopy with depth resolution using resonant x-ray reflectometry, J.E. Hamann-Borrero, S. Macke, B. Gray, M. Kareev, E. Schierle, S. Partzsch, M. Zwiebler, U, Treske, A. Koitzsch, B. Büchner, J. W. Freeland, J. Chakhalian & J. Geck, Scientific Reports 7, 13792 (2017) |
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Effect of different in-chain impurities on the magnetic properties of the spin chain compound SrCuO2 probed by NMR, Yannic Utz, Franziska Hammerath, Roberto Kraus, Tobias Ritschel, Jochen Geck, Liviu Hozoi, Jeroen van den Brink, Ashwin Mohan, Christian Hess, Koushik Karmakar, Surjeet Singh, Dalila Bounoua, Romuald Saint-Martin, Loreynne Pinsard-Gaudart, Alexandre Revcolevschi, Bernd Büchner, and Hans-Joachim Grafe, Phys. Rev. B 96, 115135 |
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Polarization driven conductance variations at charged ferroelectric domain walls, A.-S. Pawlik, T. Kämpfe, A. Haußmann, T. Woike, U. Treske, M. Knupfer, B. Büchner, E. Soergel, R. Streubel, A. Koitzsch and L. M. Eng, Nanoscale 9, 10933-10939 (2017) |
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Orbital breathing effects in the computation of x-ray d-ion spectra in solids by ab initio wave-function-based methods, Nikolay A Bogdanov, Valentina Bisogni, Roberto Kraus, Claude Monney, Kejin Zhou, Thorsten Schmitt, Jochen Geck, Alexander O Mitrushchenkov, Hermann Stoll, Jeroen van den Brink and Liviu Hozoi, J. Phys.: Condens. Matter 29, 035502 (2017) |
2016
| Probing inter- and intrachain Zhang-Rice excitons in Li2CuO2 and determining their binding energy, Claude Monney, Valentina Bisogni, Ke-Jin Zhou, Roberto Kraus, Vladimir N. Strocov, Günter Behr, Stefan-Ludwig Drechsler, Helge Rosner, Steve Johnston, Jochen Geck, and Thorsten Schmitt, Phys. Rev. B 94, 165118 (2016) |
| Control of coexisting magnetic phases by electric fields in NdFe3(BO3)4, S. Partzsch, J.-E. Hamann-Borrero, C. Mazzoli, J. Herrero-Martin, S. Valencia, R. Feyerherm, E. Dudzik, A. Vasiliev, L. Bezmaternykh, B. Büchner, and J. Geck, Phys. Rev. B 94, 054421 (2016) |
| Single crystal growth of spin-ladder compound La8Cu7O19 by the travelling-solvent floating zone method, A. Mohan, S. Singh, S. Partzsch, M. Zwiebler, J. Geck, S. Wurmehl, B. Büchner, C. Hess, Journal of Crystal Growth 448, 21 (2016) |
| Element substitution by living organisms: the case of manganese in mollusc shell aragonite, A. L. Soldati, D. E. Jacob, P. Glatzel, J. C. Swarbrick, and J. Geck, Scientific Reports 6, 22514 (2016) |
| Orbital symmetry of charge-density-wave order in La1.875Ba0.125CuO4 and YBa2Cu3O6.67, A. J. Achkar, F. He, R. Sutarto, C. McMahon, M. Zwiebler, M. Hücker, G. D. Gu, Ruixing Liang, D. A. Bonn, W. N. Hardy, J. Geck and D. G. Hawthorn, Nature Materials 15, 616 (2016) |
| Nematicity in stripe-ordered cuprates probed via resonant x-ray scattering, A. J. Achkar, M. Zwiebler, Christopher McMahon, F. He, R. Sutarto, Isaiah Djianto, Zhihao Hao, Michel J. P. Gingras, M. Hücker, G. D. Gu, A. Revcolevschi, H. Zhang, Y.-J. Kim, J. Geck, and D. G. Hawthorn, Science 351, 576–578 (2016) |
| Electron-lattice interactions strongly renormalize the charge-transfer energy in the spin-chain cuprate Li2CuO2, S. Johnston, C. Monney, V. Bisogni, K. J. Zhou, R. Kraus, G. Behr, V. N. Strocov, J. Malek, S. L. Drechsler, J. Geck, T. Schmitt, and J. van den Brink, Nature Communications 7, 10653 (2016) |
| Ba2YIrO6: A cubic double perovskite material with Ir5+ ions, T. Dey, A. Maljuk, D. V. Efremov, O. Kataeva, S. Gass, C. G. F. Blum, F. Steckel, D. Gruner, T. Ritschel, A. U. B. Wolter, J. Geck, C. Hess, K. Koepernik, J. van den Brink, S. Wurmehl, and B. Büchner, Phys. Rev. B 93, 014434 (2016) |
2015
| Orbital Control of Effective Dimensionality: From Spin-Orbital Fractionalization to Confinement in the Anisotropic Ladder System CaCu2O3, V. Bisogni, K. Wohlfeld, S. Nishimoto, C. Monney, J. Trinckauf, K. Zhou, R. Kraus, K. Koepernik, C. Sekar, V. Strocov, B. Buechner, T. Schmitt, J. van den Brink, J. Geck, Physical Review Letters 114, 96402 (2015) |
| Influence of Ti doping on the incommensurate charge density wave in 1T-TaS2, X.M. Chen, A.J. Miller, C. Nugroho, G.A. de la Pena, Y.I. Joe, A. Kogar, J.D. Brock, J. Geck, G.J. MacDougall, S.L. Cooper, E. Fradkin, D.J. Van Harlingen, P. Abbamonte, Physical Review B 91, 245113 (2015) |
| Observation of a Devil’s Staircase in the Novel Spin-Valve System SrCo6O11, T. Matsuda, S. Partzsch, T. Tsuyama, E. Schierle, E. Weschke, J. Geck, T. Saito, S. Ishiwata, Y. Tokura, H. Wadati, Physical Review Letters 114, 236403 (2015) |
| Orbital textures and charge density waves in transition metal dichalcogenides, T. Ritschel, J. Trinckauf, K. Koepernik, B. Buechner, M. von Zimmermann, H. Berger, Y.I. Joe, P. Abbamonte, J. Geck, Nature Physics 11, 328 (2015) |
| Inelastic x-ray scattering in heterostructures: electronic excitations in LaAlO3/SrTiO3, K.O. Ruotsalainen, C.J. Sahle, T. Ritschel, J. Geck, M. Hosoda, C. Bell, Y. Hikita, H.Y. Hwang, T.T. Fister, R.A. Gordon, K. Haemaelaeinen, M. Hakala, S. Huotari, Journal of Physics: Condensed Matter 27, 335501 (2015) |
| Femtosecond time-resolved MeV electron diffraction, P. Zhu, Y. Zhu, Y. Hidaka, L. Wu, J. Cao, H. Berger, J. Geck, R. Kraus, S. Pjerov, Y. Shen, R.I. Tobey, J.P. Hill, X.J. Wang, New Journal of Physics 17, 63004 (2015) |
| Electronic depth profiles with atomic layer resolution from resonant soft x-ray reflectivity, M. Zwiebler, J.E. Hamann-Borrero, M. Vafaee, P. Komissinskiy, S. Macke, R. Sutarto, F. He, B. Buechner, G.A. Sawatzky, L. Alff, J. Geck, New Journal of Physics 17, 83046 (2015) |
2014
| Emergence of charge density wave domain walls above the superconducting dome in 1T-TiSe2, Y. I. Joe, X. M. Chen, P. Ghaemi, K. D. Finkelstein, G. A. de la Peña, Y. Gan, J. C. T. Lee, S. Yuan, J. Geck, G. J. MacDougall, T. C. Chiang, S. L. Cooper, E. Fradkin, P. Abbamonte, Nature Phys. (2014) |
| Femtosecond dynamics of magnetic excitations from resonant inelastic x-ray scattering in CaCu2O3, Valentina Bisogni, Stefanos Kourtis, Claude Monney, Kejin Zhou, Roberto Kraus, Chinnathambi Sekar, Vladimir Strocov, Bernd Buechner, Jeroen van den Brink, Lucio Braicovich, Thorsten Schmitt, Maria Daghofer, and Jochen Geck, Phys. Rev. Lett. 112, 147401 (2014) |
| Revealing orbital and magnetic phase transitions in Pr0.5Ca0.5MnO3 epitaxial thin films by resonant soft x-ray scattering, H. Wadati, J. Geck, E. Schierle, R. Sutarto, F. He, D.G. Hawthorn, M. Nakamura, M. Kawasaki, Y. Tokura, and G.A. Sawatzky, New J. Phys. 16, 033006 (2014) |
| Magnetic moments and exchange coupling in nitride clusterfullerenes GdxSc3–xN@ C80 (x= 1–3), A.L. Svitova, Y. Krupskaya, N. Samoylova, R. Kraus, J. Geck, L. Dunsch, and A. A. Popov, Dalton Transactions (2014). |
2013
| Coupling of Li motion and structural distortions in olivine LiMnPO4 from 7Li and 31P NMR, Christian Rudisch, Hans-Joachim Grafe, Jochen Geck, Sven Partzsch, M. v. Zimmermann, Nadja Wizent, Rüdiger Klingeler, and Bernd Büchner; Phys. Rev. B, 88, 054303 (2013) |
| Dynamic separation of electron excitation and lattice heating during the photoinduced melting of the periodic lattice distortion in 2H-TaSe2, Pengfei Zhu, J. Cao, J. Geck, Y. Hidaka, S. Pjerov, T. Ritschel, Y. Shen, R. Tobey, Y. Zhu , J.P. Hill, and X.J. Wang; Applied Physics Letters, 103, 071914 (2013) |
| Electronic superlattice revealed by resonant scattering from random impurities in Sr3Ru2O7, M.A. Hossain, I. Zegkinoglou, Y.-D. Chuang, J. Geck, B. Bohnenbuck, A.G. Cruz Gonzalez, H.-H. Wu,C. Schüßler-Langeheine, D.G. Hawthorn, J.D. Denlinger, R. Mathieu, Y. Tokura, S. Satow, H. Takagi,Y. Yoshida, Z. Hussain, B. Keimer, G.A. Sawatzky, and A. Damascelli; Scientific Reports, 3, 2299 (2013) |
| Electronic and structural properties of La0.4Sr0.6Ti1- yCoyO3±d electrode materials for symmetric SOFC studied by hard X-ray Absorption Spectroscopy, Federico Napolitano, Analía L. Soldati, Jochen Geck, Diego G. Lamas and Adriana Serquis; Int. J. of Hydrogen Energy, 38, 3965 (2013) |
| Formation of the coherent heavy fermion liquid at the 'hidden order' transition in URu2Si2, Shouvik Chatterjee, Jan Trinckauf, Torben Hanke, Daniel E. Shai, John W. Harter, Travis J. Williams, Graeme M. Luke, Kyle M. Shen, Jochen Geck; Phys. Rev. Lett., 110, 186401 (2013) |
| Observation of charge accumulation and onsite Coulomb repulsion at transition metal impurities in the iron pnictides R. Kraus, V. Bisogni, L. Harnagea, S. Aswartham, S. Wurmehl, G. Levy, I. S. Elfimov, B. Büchner, G. A. Sawatzky, J. Geck; Phys. Rev. B, 87, 134516 (2013) |
| Pressure dependence of the charge density wave in 1T-TaS2 and its relation to superconductivity, T. Ritschel, J. Trinckauf, G. Garbarino, M. Hanfland, M.v. Zimmermann, H. Berger, B. Buechner, J. Geck; Phys. Rev. B, 87, 125135 (2013) |
| Resonant Elastic Soft X-Ray Scattering, J. Fink, E. Weschke, E. Schierle, J. Geck; Rep. Prog. Phys., 76, 056502 (2013) |
| Determining the Short-Range Spin Correlations in Cuprate Chain Materials with Resonant Inelastic X-ray Scattering, C. Monney, V. Bisogni, K.J. Zhou, R. Kraus, V.N. Strocov, G. Behr, J. Malek, R Kuzian, S.-L. Drechsler, S. Johnston, A. Revcolevschi, B. Büchner, H.M. Ronnow, J. van den Brink, J. Geck, T. Schmitt; Phys. Rev. Lett., 110, 087403 (2013) |
| Resonant X-Ray Scattering Measurements of a Spatial Modulation of the Cu 3d and O 2p Energies in Stripe-Ordered Cuprate Superconductors, A.J. Achkar, F. He, R. Sutarto, J. Geck, H. Zhang, Y.-J. Kim, and D.G. Hawthorn; Phys. Rev. Lett., 110, 017001 (2013) |
2012
| Magnetic Frustration, Phase Competition, and the Magnetoelectric Effect in NdFe3(BO3)4, J.E. Hamann-Borrero, S. Partzsch, S. Valencia, C. Mazzoli, J. Herrero-Martin, R. Feyerherm, E. Dudzik, C. Hess, A. Vasiliev, L. Bezmaternykh, B. Büchner, and J. Geck; Phys. Rev. Lett., 109, 267202 (2012) |
| Probing the Role of Co Substitution in the Electronic Structure of Iron Pnictides, G. Levy, R. Sutarto, D. Chevrier, T. Regier, R. Blyth, J. Geck, S. Wurmehl, L. Harnagea, H. Wadati, T. Mizokawa, I.S. Elfimov, A. Damascelli, and G.A. Sawatzky; Phys. Rev. Lett., 109, 077001 (2012) |
| Surface and bulk electronic structure of the unconventional superconductor Sr2RuO4: unusual splitting of the β band , V.B. Zabolotnyy, E. Carleschi, T.K. Kim, A.A. Kordyuk, J. Trinckauf, J. Geck, D. Evtushinsky, B.P. Doyle, R. Fittipaldi, M. Cuoco, A. Vecchione, B. Büchner and S.V. Borisenko; New. J. Phys., 14, 063039 (2012) |
| Resonant soft X-ray scattering studies of multiferroic YMn2O5 , S. Partzsch, S.B. Wilkins, E. Schierle, J.E. Hamann-Borrero, H. Wadati, V. Soltwisch, J.P. Hill, E. Weschke, D. Souptel, B. Büchner, and J. Geck;The European Physical Journal - Special Topics, 208, 133 (2012) |
| Electronic Confinement and Ordering Instabilities in Colossal Magnetoresistive Bilayer Manganites , J. Trinckauf, T. Hänke, V. Zabolotnyy, T. Ritschel, M. O. Apostu, R. Suryanarayanan, A. Revcolevschi, K. Koepernik, T. Kim, M. v. Zimmermann, S. V. Borisenko, M. Knupfer, B. Büchner, and J. Geck; Phys. Rev. Lett., 108, 016403 (2012) |
2011
| Bond disorder and breakdown of ballistic heat transport in the spin-1/2 antiferromagnetic Heisenberg chain as seen in Ca-doped SrCuO2 , N. Hlubek, P. Ribeiro, R. Saint-Martin, S. Nishimoto, A. Revcolevschi, S.-L. Drechsler, G. Behr, J. Trinckauf, J.E. Hamann-Borrero, J. Geck, B. Büchner, and C. Hess; Phys. Rev. B, 84, 214419 (2011) |
| Comparison of stripe modulations in La1.875Ba0.125CuO4 and La1.48Nd0.4Sr0.12CuO4 , S. B. Wilkins, M. P. M. Dean, Jörg Fink, Markus Hücker, J. Geck, V. Soltwisch, E. Schierle, E. Weschke, G. Gu, S. Uchida, N. Ichikawa, J. M. Tranquada, and J. P. Hill ; Phys. Rev. B, 84, 195101 (2011) |
| Resonant elastic soft x-ray scattering in oxygen-ordered YBa2Cu3O6+d , D. G. Hawthorn, K. M. Shen, J. Geck, D. C. Peets, H. Wadati, J. Okamoto, S.-W. Huang, D. J. Huang, H.-J. Lin, J. D. Denlinger, Ruixing Liang, D. A. Bonn, W. N. Hardy, and G. A. Sawatzky. Phys. Rev. B, 84, 075125 (2011) |
| Observation of Electronic Ferroelectric Polarization in Multiferroic YMn2O5 , S. Partzsch, S. B. Wilkins, J. P. Hill, E. Schierle, E. Weschke, D. Souptel, B. Büchner, and J. Geck. Phys. Rev. Lett., 107, 057201 (2011) |
| An in-vacuum diffractometer for resonant elastic soft x-ray scattering , D. G. Hawthorn, F. He, L. Venema, H. Davis, A. J. Achkar, J. Zhang, R. Sutarto, H. Wadati, A. Radi, T. Wilson, G. Wright, K. M. Shen, J. Geck, H. Zhang, V. Novák, and G. A. Sawatzky. Rev. Sci. Instrum., 82, 073104 (2011) |
| Signatures of electronic polarons in La1-xSr1+xMnO4 observed by electron energy-loss spectroscopy , R. Kraus, M. Schrade, R. Schuster, M. Knupfer, A. Revcolevschi, B. Büchner, and J. Geck, Phys. Rev. B, 83, 165130 (2011) |
| Phase diagram of charge order in La1.8-xEu0.2SrxCuO4 , J. Fink, V. Soltwisch, J. Geck, E. Schierle, E. Weschke, and B. Büchner, Phys. Rev. B, 83, 092503 (2011) |
2010
| Nonresonant x-ray magnetic scattering on rare-earth iron borates RFe3(BO3)4, J.E. Hamann-Borrero, M. Philipp, O. Kataeva, M .v. Zimmermann, J. Geck, R. Klingeler, A. Vasiliev, L. Bezmaternykh, B. Büchner, and C. Hess, Phys. Rev. B, 82, 094411 (2010) |
| Hard x-ray probe to study doping-dependent electron redistribution and strong covalency in La1−xSr1+xMnO4, J. Herrero-Martín, A. Mirone, J. Fernández-Rodríguez, P. Glatzel,J. García, J. Blasco, and J. Geck, Phys. Rev. B, 82, 075112 (2010) |
| Magnetoresistive Manganites, J. Geck, 41st IFF Spring School 2010, Lecture Notes, Schriften des Forschungszentrums Jülich, ISBN 978-3-89336-609-05 |
2009
| Elecxtronic structure of Pr2-xCexCuO4 studied via ARPES and LDA+DMFT+Sigmak, I.A. Nekrasov, N.S. Pavlov,E.Z. Kuchinskii, M.V. Sadovskii, Z.V. Pchelkina, V.B. Zabolotnyy, J. Geck, B. Büchner, S.V. Borisenko, D.S. Inosov, A.A. Kordyuk, M. Lambacher, and A. Erb, Phys. Rev. B, 80, 140510 (2009) |
| Resonant soft x-ray scattering studies of interface reconstructions in SrTiO3/LaAlO3 superlattices, H. Wadati, D.G. Hawthorn, J. Geck, T. Higuchi, Y. Hikita, H.Y. Hwang, L. Fitting Kourkoutis, D.A. Muller,S.-W. Huang, D.J. Huang, H.-J. Lin, C. Schüßler-Langeheine, H.-H. Wu, E. Schierle, E. Weschke, N.J. C. Ingle, and G.A. Sawatzky, Journal of Applied Physics, 8, 083705 (2009) |
| Interface reconstruction in V-oxide heterostructures determined by x-ray absorption spectroscopy, H. Wadati, D.G. Hawthorn, J. Geck, T.Z. Regier, R.I.R. Blyth, T. Higuchi, Y. Hotta, Y. Hikita, H.Y. Hwang, G.A. Sawatzky Appl. Phys. Lett., 95 , 023115 (2009) |
| Charge ordering in La1.8−xEu0.2SrxCuO4 studied by resonant soft x-ray diffraction, J. Fink, E. Schierle, E. Weschke, J. Geck, D. Hawthorn, V. Soltwisch, H. Wadati, H.-H. Wu, H.A. Dürr, N. Wizent, B. Büchner,G.A. Sawatzky Phys. Rev. B., 79 , 100502 (2009) |
2008
| Hybridization effects in CeCoIn5 observed by angle-resolved photoemission, A. Koitzsch, S.V. Borisenko, D. Inosov, J. Geck, V.B. Zabolotnyy, H. Shiozawa, M. Knupfer, J. Fink, B. Büchner, E.D. Bauer, J.L. Sarrao, R Follath Phys. Rev. B., 77 , 155128 (2008) |
| Cu K-edge resonant inelastic x-ray scattering in edge-sharing cuprates, F. Vernay, B. Moritz, L.S. Elfimov, J. Geck, D. Hawthorn, T.P. Devereaux, G.A. Sawatzky. Phys. Rev. B., 77 , 104519 (2008) |
2007
| Anomalous Quasiparticle Renormalization in Na0.73CoO2: Role of Interorbital Interactions and Magnetic Correlations, J. Geck, S.V. Borisenko, H. Berger, V.B. Zabolotnyy, H. Eschrig, J. Fink, M. Knupfer, K. Koepernik, A. Koitzsch, A.A. Kordyuk, B. Büchner. Phys. Rev. Lett., 99 , 046403 (2007) |
| Momentum and temperature dependence of renormalization effects in the high-temperature superconductor YBa2Cu3O7-d, V.B. Zabolotnyy, S.V. Borisenko, A.A. Kordyuk, J. Geck, D.S. Inosov, A. Koitzsch, J. Fink, M. Knupfer, B. Büchner, S.-L. Drechsler, H. Berger, A. Erb, M. Lambacher, L. Patthey, V. Hinkov, and B. Keimer. Phys. Rev. B, 76 , 064519 (2007) |
| Disentangling surface and bulk photoemission using circularly polarized light, V.B. Zabolotnyy, S.V. Borisenko, A.A. Kordyuk, D.S. Inosov, A. Koitzsch, J. Geck, J. Fink, M. Knupfer, B. Büchner, S.-L. Drechsler, V. Hinkov, B. Keimer, and L. Patthey. Phys. Rev. B, 76 , 024502 (2007) |
| Relation between the one-particle spectral function and dynamic spin susceptibility of superconducting Bi2Sr2CaCu2O8-d, D.S. Inosov, S.V. Borisenko, I. Eremin, A.A. Kordyuk, V.B. Zabolotnyy, J. Geck, A. Koitzsch, J. Fink, M. Knupfer, B. Büchner, H. Berger, and R. Follath. Phys. Rev. B, 75 , 172505 (2007) |
| Dressing of the Charge Carriers in High-Tc Superconductors, J. Fink, S.V. Borisenko, A.A. Kordyuk, A. Koitzsch, J. Geck, V.B. Zabolotnyy, M. Knupfer, B. Büchner, and H. Berger. Lect. Notes Phys., 715 , 295-325 (2007) |
| Octahedral tilts and electronic correlations in La7/8Sr1/8MnO3, J. Geck, P. Wochner, S. Kiele, P. Reutler, A. Revcolevschi, and B. Büchner. Phys. Rev. B, 75, 014405 (2007) |
2006
| Reevaluation of the coupling to a bosonic mode of the charge carriers in (Bi,Pb)2Sr2CaCu2O8+d at the antinodal point, J. Fink, A. Koitzsch, J. Geck, V. Zabolotnyy, M. Knupfer, and B. Büchner, A. Chubukov, and H. Berger. Phys. Rev. B, 74,165102 (2006 ) |
| X-ray absorption spectroscopy of NaxCoO2 layered cobaltates, T. Kroll, M. Knupfer, J. Geck, C. Hess, T. Schwieger, G. Krabbes, C. Sekar, D. R. Batchelor, H. Berger, and B. Büchner. Phys. Rev. B, 74,115123 (2006) |
| Stripe Correlations in Na0.75CoO2, J. Geck, M. v. Zimmermann, H. Berger, S.V. Borisenko, H. Eschrig, K. Koepernik, M. Knupfer, and B. Büchner. Phys. Rev. Lett., 97,106403 (2006) |
| Unidirectional diagonal order and three-dimensional stacking of charge stripes in orthorhombic Pr1.67Sr0.33NiO4 and Nd1.67Sr0.33NiO4, M. Hücker, M. v. Zimmermann, R. Klingeler, S. Kiele, J. Geck, S.N. Bakehe, J.Z. Zhang, J.P. Hill, A. Revcolevschi, D.J. Buttrey, B. Büchner, and J.M. Tranquada. Phys. Rev. B, 74, 085112 (2006) |
| Constituents of the Quasiparticle Spectrum Along the Nodal Direction of High-Tc Cuprates, A.A. Kordyuk, S.V. Borisenko, V. B. Zabolotnyy, J. Geck, M. Knupfer, J. Fink, B. Büchner, C.T. Lin, B. Keimer, H. Berger, A.V. Pan, Seiki Komiya, and Yoichi Ando. Phys. Rev. Lett., 97, 017002 (2006) |
| Pressure-induced melting of the orbital polaron lattice in La1–xSrxMnO3, R. Klingeler, J. Geck, S. Arumugam, N. Tristan, P. Reutler, B. Büchner, L. Pinsard-Gaudart, and A. Revcolevschi. Phys. Rev. B, 73, 214432 (2006) |
| Current spinon-holon description of the one-dimensional charge-transfer insulator SrCuO2: Angle-resolved photoemission measurements, A. Koitzsch, S. V. Borisenko, J. Geck, V.B. Zabolotnyy, M. Knupfer, J. Fink, P. Ribeiro, B. Büchner, and R. Follath. Phys. Rev. B, 73, 201101(R) (2006) |
| Kinks, Nodal Bilayer Splitting, and Interband Scattering in YBa2Cu3O6+x, S.V. Borisenko A.A. Kordyuk, V. Zabolotnyy, J. Geck, D. Inosov, A. Koitzsch, J. Fink, M. Knupfer, B. Büchner, V. Hinkov, C.T. Lin, B. Keimer, T. Wolf, S.G. Chiuzbaian, L. Patthey, and R. Follath. Phys. Rev. Lett., 96, 117004 (2006). |
| Structural modulations in Sr14Cu24O41 and their relation to charge ordering, M. v. Zimmermann, J. Geck, S. Kiele, R. Klingeler, and B. Büchner. Phys. Rev. B, 73, 115121 (2006) |
| Parity of the Pairing Bosons in a High-Temperature Pb-Bi2Sr2CaCu2O8 Bilayer Superconductor by Angle-Resolved Photoemission Spectroscopy, S.V. Borisenko, A.A. Kordyuk, A. Koitzsch, J. Fink, J. Geck, V. Zabolotnyy, M. Knupfer, B. Büchner, H. Berger, M. Falub, M. Shi, J. Krempasky, and L. Patthey. Phys. Rev. Lett., 96, 067001 (2006) |
| Effect of Zn and Ni Impurities on the Quasiparticle Renormalization of Superconducting Bi-2212, V.B. Zabolotnyy, S.V. Borisenko, A.A. Kordyuk, J. Fink, J. Geck, A. Koitzsch, M. Knupfer, B. Büchner, H. Berger, A. Erb, C.T. Lin, B. Keimer, and R. Follath. Phys. Rev. Lett., 96, 037003 (2006) |
2005
| Orbital Polaron Lattice Formation in Lightly Doped La1-xSrxMnO3, J. Geck, P. Wochner, S. Kiele, R. Klingeler, A. Revcolevschi, P. Reutler, and B. Büchner. Phys. Rev. Lett., 95, 236401 (2005) |
2004
| Orbital order induced ferromagnetic insulating properties, J. Geck, P. Wochner, S. Kiele, R. Klingeler, A. Revcolevschi, P. Reutler, M. v. Zimmermann, and B. Büchner. New J. Phys., 6, 152 (2004) |
| Rearrangement of the orbital-ordered state at the metal-insulator transition of La7/8Sr1/8MnO3, J. Geck, P. Wochner, D. Bruns, B. Büchner, U. Gebhardt, S. Kiele, P. Reutler, and A. Revcolevschi. Phys. Rev. B, 69, 104413 (2004) |
2002
| Anisotropic CE-type orbital correlations in the ferromagnetic metallic phase of Nd1/2Sr1/2MnO3, J. Geck, D. Bruns, C. Hess, R. Klingeler, P. Reutler, M. v. Zimmermann, S.-W. Cheong, and B. Büchner. Phys. Rev. B, 66, 184407 (2002) |
| Magnetism and the charge order transition in lightly doped La1-xSrxMnO3, R. Klingeler, J. Geck, R. Gross, d L. Pinsard-Gaudart, A. Revcolevschi, S. Uhlenbruck, and B. Büchner. Phys. Rev. B, 65, 174404 (2002) |
2001
| Evidence for canted antiferromagnetism in lightly doped La1-xSrxMnO3, J. Geck, B. Büchner, M. Hücker, R. Klingeler, R. Gross, L. Pinsard-Gaudart, and A. Revcolevschi. Phys. Rev. B, 64, 144430 (2001) |