Publications 2022

Spiral magnetism, spin flop, and pressure-induced ferromagnetism in the negative charge-transfer-gap insulator Sr2FeO4
Peter Adler, Manfred Reehuis, Norbert Stüßer, Sergey A. Medvedev, Michael Nicklas, Darren C. Peets, Joel Bertinshaw, Christian Kolle Christensen, Martin Etter, Andreas Hoser, Liane Schröder, Patrick Merz, Walter Schnelle, Armin Schulz, Qingge Mu, Dimitrios Bessas, Aleksandr Chumakov, Martin Jansen, and Claudia Felser
Phys. Rev. B 105, 054417 (2022)

Complementary Insights from Neutron and Resonant X-Ray Reflectometry for the Study of Perovskite TransitionMetal Oxide Heterostructures
Eva Benckiser, Yury Khaydukov, Laura Guasco, Katrin Fürsich, Padma Radhakrishnan, Gideok Kim and Bernhard Keimer
Phys. Status Solidi B, 2100253 (2022)

Effect of pseudogap on electronic anisotropy in the strain dependence of the superconducting Tc of underdoped YBa2Cu3Oy
M. Frachet, Daniel J. Campbell, Anne Missiaen, S. Benhabib, Francis Laliberté, B. Borgnic, T. Loew, J. Porras, S. Nakata, B. Keimer, M. Le Tacon, Cyril Proust, I. Paul, and David LeBoeuf
Phys. Rev. B 105, 045110 (2022)

Oxygen Hole Character and Lateral Homogeneity in PrNiO2+δ Thin Films
K. Fürsich, R. Pons, M. Bluschke, R. A. Ortiz, S. Wintz, E. Schierle, M. Weigand, G. Logvenov, G. Schütz, B. Keimer, E. Benckiser
Front. Phys. (2022)

Resonant neutron reflectometry for hydrogen detection
L. Guasco, Yu. N. Khaydukov, S. Pütter, L. Silvi, M. A. Paulin, T. Keller, B. Keimer
Nature Communications 13, 1486 (2022)

Soft X-Ray Spectroscopy of Low-Valence Nickelates
Matthias Hepting, Mark P. M. Dean, Wei-Sheng Lee
Front. Phys. (2022)

Characterization of photoinduced normal state through charge density wave in superconducting YBa2Cu3O6.67
Hoyoung Jang, Sanghoon Song,Takumi Kihara, Yijin Liu, Sang-Jun Lee, Sang-Youn Park, Minseok Kim, Hyeong-Do Kim, Giacomo Coslovich, Suguru Nakata, Yuya Kubota, Ichiro Inoue, Kenji Tamasaku, Makina Yabashi, Heemin Lee, Changyong Song, Hiroyuki Nojiri, Bernhard Keimer, Chi-Chang Kao, Jun-Sik Lee
Science Advances, 8, Issue 6 (2022)

Sr2IrO4/Sr3Ir2O7 superlattice for a model two-dimensional quantum Heisenberg antiferromagnet
Hoon Kim, Joel Bertinshaw, J. Porras, B. Keimer, Jungho Kim, J.-W. Kim, Jimin Kim, Jonghwan Kim, Gahee Noh, Gi-Yeop Kim, Si-Young Choi, and B. J. Kim
Phys. Rev. Research 4, 013229 (2022)

Superconductivity in (Ba,K)SbO3
Minu Kim, Graham M. McNally, Hun-Ho Kim, Mohamed Oudah, Alexandra S. Gibbs, Pascal Manuel, Robert J. Green, Ronny Sutarto, Tomohiro Takayama, Alexander Yaresko, Ulrich Wedig, Masahiko Isobe, Reinhard K. Kremer, D. A. Bonn, Bernhard Keimer, Hidenori Takagi
Nature Materials (2022)

Visualizing the unusual spectral weight transfer in DyBa2Cu3O7–δ thin film
Hui Li, Zengyi Du, Ze‑Bin Wu, Daniel Putzky, Sang Hyun Joo, Asish K. Kundu, Xiaotao Xu, Xiaoyan Shi, Jinho Lee, Abhay N. Pasupathy, Gennady Logvenov, Bernhard Keimer, Tonica Valla, Ivan Božović, Ilya K. Drozdov, Kazuhiro Fujita
Scientific Reports 12, 830 (2022)

Non-collinear and asymmetric polar moments at back-gated SrTiO3 interfaces
Fryderyk Lyzwa, Yurii G. Pashkevich, Premysl Marsik, Andrei Sirenko, Andrew Chan, Benjamin P. P. Mallett, Meghdad Yazdi-Rizi, Bing Xu, Luis M. Vicente-Arche, Diogo C. Vaz, Gervasi Herranz, Maximilien Cazayous, Pierre Hemme, Katrin Fürsich, Matteo Minola, Bernhard Keimer, Manuel Bibes and Christian Bernhard
Communications Physics 5, 133 (2022)

Magnetic correlations in infinite-layer nickelates: An experimental and theoretical multimethod study
R. A. Ortiz, P. Puphal, M. Klett, F. Hotz, R. K. Kremer, H. Trepka, M. Hemmida, H.-A. Krug von Nidda, M. Isobe, R. Khasanov, H. Luetkens, P. Hansmann, B. Keimer, T. Schäfer, and M. Hepting
Phys. Rev. Research 4, 023093 (2022)

Investigation of Hydrogen Incorporations in Bulk Infinite-Layer Nickelates
P. Puphal, V. Pomjakushin, R. A. Ortiz, S. Hammoud, M. Isobe, B. Keimer, M. Hepting
Front. Phys. (2022)

Coupling of electronic and structural degrees of freedom in vanadate superlattices
P. Radhakrishnan, B. Geisler, K. Fürsich, D. Putzky, Y. Wang, G. Christiani, G. Logvenov, P. Wochner, P. A. van Aken, R. Pentcheva, and E. Benckiser
Phys. Rev. B 105, 165117 (2022)

Absence of temperature-dependent phonon anomalies in Sr2IrO4 and Sr3Ir2O7
K. Sen, R. Heid, S. M. Souliou, D. Boll, A. Bosak, N. H. Sung, J. Bertinshaw, H. Gretarsson, B. J. Kim, F. Weber, and M. Le Tacon
Phys. Rev. B 105, 045142 (2022)

Emergent interlayer magnetic order via strain-induced orthorhombic distortion in the 5d Mott insulator Sr2IrO4
S. Shrestha, M. Krautloher, M. Zhu, J. Kim, J. Hwang, J. Kim, J.-W. Kim, B. Keimer, and A. Seo
Phys. Rev. B 105, 100404 (2022)

Critical magnetic fluctuations in the layered ruthenates Ca2RuO4 and Ca3Ru2O7
H. Trepka, T. Keller, M. Krautloher, J. Xu, K. Habicht, M. Böhm, B. Keimer, and M. Hepting
Phys. Rev. Research 4, 023181 (2022)

Paramagnons and high-temperature superconductivity in a model family of cuprates
Lichen Wang, Guanhong He, Zichen Yang, Mirian Garcia-Fernandez, Abhishek Nag, Kejin Zhou, Matteo Minola, Matthieu Le Tacon, Bernhard Keimer, Yingying Peng, Yuan Li
Nature Communications 13, 3163 (2022)

Ruddlesden–Popper Faults in NdNiO3 Thin Films s
Chao Yang, Yi Wang, Daniel Putzky, Wilfried Sigle, Hongguang Wang, Roberto A. Ortiz, Gennady Logvenov, Eva Benckiser, Bernhard Keimer, Peter A. van Aken
Symmetry 14(3), 464 (2022)

 

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