Publications 2024

Plasmon dispersion in bilayer cuprate superconductors
M. Bejas, V. Zimmermann, D. Betto, T.D. Boyko, R.J. Green, T. Loew, N.B. Brookes, G. Cristiani, G. Logvenov, M. Minola, B. Keimer, H. Yamase, A. Greco, and M. Hepting
Physical Review B 109, 144516 (2024)

Ultrafast Raman thermometry in driven YBa_2⁢C⁢u₃O_6.48
T.-H. Chou, M. Först , M. Fechner, M. Henstridge, S. Roy, M. Buzzi, D. Nicoletti, Y. Liu , S. Nakata, B. Keimer, and A. Cavalleri
Physical Review B 109, 195141 (2024)

Stabilization of U 5⁢𝑓²configuration in UTe₂ through U 6⁢𝑑 dimers in the presence of Te2 chains
D.S. Christovam, M. Sundermann, A. Marino, D. Takegami, J. Falke, P. Dolmantas, M. Harder, H. Gretarsson, B. Keimer, A. Gloskovskii, M.W. Haverkort, I. Elfimov, G. Zwicknagl, A.V. Andreev, L. Havela, M.M. Bordelon, E.D. Bauer, P.F.S. Rosa, A. Severing, and L.H. Tjeng
Physical Review Research 6, 033299 (2024)

Magnetic field expulsion in optically driven YBa₂Cu₃O_6.48
S. Fava, G. De Vecchi, G. Jotzu, M. Buzzi, T. Gebert, Y. Liu, B. Keimer, and A. Cavalleri
Nature (2024)

𝐽= 1/2 pseudospins and 𝑑−𝑝 hybridization in the Kitaev spin liquid candidates Ru⁢𝑋₃ (𝑋=Cl, Br, I)
H. Gretarsson, H. Fujihara, F. Sato, H. Gotou, Y. Imai, K. Ohgushi, B. Keimer, and H. Suzuki
Physical Review B 109, L180413 (2024)

Investigation of spin excitations and charge order in bulk crystals of the infinite-layer nickelate LaNiO₂
S. Hayashida, V. Sundaramurthy, P. Puphal, M. Garcia-Fernandez, Ke-Jin Zhou, B. Fenk, M. Isobe, M. Minola, Y.-M. Wu, Y. E. Suyolcu, P. A. van Aken, B. Keimer, and M. Hepting
Physical Review B 109, 235106 (2024)

Disentangling different interfacial effects of reduced thin layer magnetizations
S. E. Ilse, R. Nacke, G. Schütz, and E. Goering
New Journal of Physics 26, 093003 (2024)

Tracing the dynamics of superconducting order via transient terahertz third-harmonic generation
M.-J. Kim, S. Kovalev, M. Udina, R. Haenel, G. Kim, M. Puviani, G. Cristiani, I. Ilyakov, T.V.A.G. De Oliveira, A. Ponomaryov, J.-C. Deinert, G. Logvenov, B. Keimer, D. Manske, L. Benfatto, and S. Kaiser
Science Advances 10 (2024)

Nearly linear orbital molecules on a pyrochlore lattice
A. Krajewska, A.N. Yaresko, J. Nuss, S. Bette, A.S. Gibbs, M. Blankenhorn, R.E. Dinnebier, D.P. Sari, I. Watanabe, J. Bertinshaw, H. Gretarsson, K. Ishii, D. Matsumura, T. Tsuji, M. Isobe, B. Keimer, H. Takagi, and T. Takayama
Science Advances 10, 41 (2024)

Probing the interface and individual layers in cuprate/manganite heterostructures by Raman spectroscopy
F. Lyzwa, A. Chan, K. Fürsich, B. Keimer, C. Faugeras, Yu. G. Pashkevich, C. Bernhard, M. Minola, and B.P.P. Mallett
Physical Review Materials 8, 074804 (2024)

Quantifying the U 5⁢𝑓 covalence and degree of localization in U intermetallics
A. Marino, D.S. Christovam, D. Takegami, J. Falke, M.M. F. Carvalho, T. Okauchi, C.-F. Chang, S.G. Altendorf, A. Amorese, M. Sundermann, A. Gloskovskii, H. Gretarsson, B. Keimer, A.V. Andreev, L. Havela, A. Leithe-Jasper, A. Severing, J. Kuneš, L.H. Tjeng, and A. Hariki
Physical Review Research 6, 0330680 (2024)

Epitaxial superlattices as a framework for stabilizing different LaNiO₃ structures
F. Misják, R.A. Ortiz, D. Geiger, M.K. Kinyanjui, E. Schierle, K. Fürsich, G. Christiani, G. Logvenov, B. Keimer, U. Kaiser, and E. Benckiser
Physical Review Materials 8, 065001 (2024)

Unconventional Crystal Structure of the High-Pressure Superconductor La₃⁢Ni_2⁢O₇
P. Puphal, P. Reiss, N. Enderlein, Y.-M. Wu, G. Khaliullin, V. Sundaramurthy, T. Priessnitz, M. Knauft, A. Suthar, L. Richter, M. Isobe, P.A. van Aken, H. Takagi, B. Keimer, Y.E. Suyolcu, B. Wehinger, P. Hansmann, and M. Hepting
Phys. Rev. Lett. 133, 146002 (2024)

Epitaxial growth and stoichiometry control of pyrochlore Nd₂ Ru₂ O₇ thin films
K.S. Rabinovich, G. Kim, A.N. Yaresko, G. Christiani, G. Logvenov, B. Keimer, and A.V. Boris
Physical Review Materials 8, 053801 (2024)

Detection of a two-phonon mode in a cuprate superconductor via polarimetric resonant inelastic x-ray scattering
K. Scott, E. Kisiel, F. Yakhou, S. Agrestini, M. Garcia-Fernandez, K. Kummer, J. Choi, R.D. Zhong, J.A. Schneeloch, G.D. Gu, K.-J. Zhou, N.B. Brookes, A.F. Kemper, M. Minola, F. Boschini, A. Frano, A. Gozar, and E.H. da Silva Neto
Physical Review B 109, 125126 (2024)

Electronic response of a Mott insulator at a current-induced insulator-to-metal transition
C.T. Suen, I. Marković, M. Zonno, N. Heinsdorf, S. Zhdanovich, N.H. Jo, M. Schmid, P. Hansmann, P. Puphal, K. Fürsich, S. Smit, C. Au-Yeung, V. Zimmermann, B. Zwartsenberg, M. Krautloher, I.S. Elfimov, R. Koch, S. Gorovikov, C. Jozwiak, A. Bostwick, M. Franz, E. Rotenberg, B. Keimer, and A. Damascelli
Nature Physics (2024)

Using strain to uncover the interplay between two- and three-dimensional charge density waves in high-temperature superconducting YBa2Cu₃Oy
I. Vinograd, S.M. Souliou, A.-A. Haghighirad, T. Lacmann, Y. Caplan, M. Frachet, M. Merz, G. Garbarino, Y. Liu, S. Nakata, K. Ishida, H.M.L. Noad, M. Minola, B. Keimer, D. Orgad, C.W. Hicks, and M. Le Tacon
Nature Communications 15, 3277 (2024)

Spin-Orbit Excitons in a Correlated Metal: Raman Scattering Study of Sr₂RhO₄
L. Wang, H. Liu, V. Zimmermann, A.K. Yogi, M. Isobe, M. Minola, M. Hepting, G. Khaliullin, and B. Keimer
Physical Review Letters 132, 116502 (2024)

Antiferromagnetic coupling across nonmagnetic transition-metal films alloyed with ferromagnetic elements
K. Winther, Z.R. Nunn, J. Lisik, S. Arapan, D. Legut, F. Schulz, E. Goering, T. Mckinnon, S. Myrtle, and E. Girt
Physical Review Applied 22, 024058 (2024)

Unraveling nano-scale effects of topotactic reduction in LaNiO₂ crystals
Y.-M. Wu, P. Puphal, M. Isobe, B. Keimer, M. Hepting , Y.E. Suyolcu, and P.A. van Aken
APL Materials. 12, 091119 (2024)

Direct observation of strong surface reconstruction in partially reduced nickelate films
C. Yang, R. Pons, W. Sigle, H. Wang, E. Benckiser, G. Logvenov, B. Keimer, and P.A. van Aken
Nature Communications 15, 378 (2024)