Publications 2015

Dimensionality-tuned electronic structure of nickelate superlattices explored by soft-x-ray angle-resolved photoelectron spectroscopy
G. Berner, M. Sing, F. Pfaff, E. Benckiser, M. Wu, G. Christiani, G. Logvenov, H.-U. Habermeier, M. Kobayashi, V. N. Strocov, T. Schmitt, H. Fujiwara, S. Suga, A. Sekiyama, B. Keimer, and R. Claessen
Phys. Rev. B 92, 125130, 16, September 2015

In-between Bragg reflections: thermal diffuse scattering and vibrational spectroscopy with x-rays
A. Bosak, D. Chernyshov, B. Wehinger, B. Winkler, M. Le Tacon and M. Krisch
J. Phys. D 48, 504003, 01 December 2015

Hidden symmetries of the extended Kitaev-Heisenberg model: Implications for the honeycomb-lattice iridates A2IrO3
Jiří Chaloupka and Giniyat Khaliullin
Phys. Rev, B 024413, (2015)

Interaction-induced singular Fermi surface in a high-temperature oxypnictide superconductor
A. Charnukha , S. Thirupathaiah , V. B. Zabolotnyy , B. Büchner , N. D. Zhigadlo , B. Batlogg , A. N. Yaresko, S. V. Borisenko
Scientific Reports 5, 10392, (2015)

Extreme mobility enhancement of two-dimensional electron gases at oxide interfaces by charge-transfer-induced modulation doping
Y. Z. Chen, F. Trier, T. Wijnands, R. J. Green, N. Gauquelin, R. Egoavil, D. V. Christensen, G. Koster, M. Huijben, N. Bovet, S. Macke, F. He, R. Sutarto, N. H. Andersen, J. A. Sulpizio, M. Honig, G. E. D. K. Prawiroatmodjo, T. S. Jespersen, S. Linderoth, S. Ilani, J. Verbeeck, G. Van Tendeloo, G. Rijnders, G. A. Sawatzky, N. Pryds
Nature Materials Advance Online Publication

Direct evidence for dominant bond-directional interactions in a honeycomb lattice iridate Na2IrO3
Sae Hwan Chun, Jong-Woo Kim, Jungho Kim, H. Zheng, Constantinos C. Stoumpos, C. D. Malliakas, J. F. Mitchell, Kavita Mehlawat, Yogesh Singh, Y. Choi, T. Gog, A. Al-Zein, M. Moretti Sala, M. Krisch, J. Chaloupka, G. Jackeli, G. Khaliullin, B. J. Kim
Nature Physics 11, 462–466 (2015)

Symmetry of charge order in cuprates
R. Comin, R. Sutarto, F. He, E. H. da Silva Neto, L. Chauviere, A. Fraño, R. Liang, W. N. Hardy, D. A. Bonn, Y. Yoshida, H. Eisaki, A. J. Achkar, D. G. Hawthorn, B. Keimer, G. A. Sawatzky, A. Damascelli
Nature Materials 14, 796–800, 25 May 2015

Microwave Conductivity in Two-Band Superconductors V3+xSi1−x
Oleg V. Dolgov , Alexander A. Golubov , Yuri A. Nefyodov , Alexei M. Shuvaev , Mikhail R. Trunin
Journal of Superconductivity and Novel Magnetism Volume 28, Issue 2, (2015)

Magnetic-field and doping dependence of low-energy spin fluctuations in the antiferroquadrupolar compound Ce(1-x)La(x)B(6)
G. Friemel, H. Jang, A. Schneidewind, A. Ivanov, A. V. Dukhnenko, N. Y. Shitsevalova, V. B. Filipov, B. Keimer, D. S. Inosov
Phys. Rev. B 92, 014410, 09 July 2015

Resonant inelastic x-ray scattering study of electronic excitations in insulating K0.83Fe1.53Se2
H. Gretarsson, T. Nomura, I. Jarrige, A. Lupascu, M. H. Upton, Jungho Kim, D. Casa, T. Gog, R. H. Yuan, Z. G. Chen, N.-L. Wang, Young-June Kim
Phys. Rev. B 91, 245118, 09 June 2015

Neutron resonance spin-echo upgrade at the three-axis spectrometer FLEXX
F. Groitl, T. Keller, D.L. Quintero-Castro, K. Habicht 
Rev Sci Instrum. (2015)

Electronic and magnetic properties of phosphorus across the first-order ferromagnetic transition of (Mn,Fe)2(P,Si,B) giant magnetocaloric materials
F. Guillou, K. Ollefs, F. Wilhelm, A. Rogalev, A. N. Yaresko, H. Yibole, N. H. van Dijk, and E. Brück
Phys. Rev. B 92, 224427 (2015)

Raman light scattering on ultra-thin films of LaNiO3 under compressive strain
M. Hepting, D. Kukuruznyak, E. Benckiser, M. Le Tacon, B. Keimer
Physica B 460, 196-198, 01 March 2015

Structural and Magnetic Phase Transitions near Optimal Superconductivity in BaFe2(As1−xPx)2
Ding Hu, Xingye Lu, Wenliang Zhang, Huiqian Luo, Shiliang Li, Peipei Wang, Genfu Chen, Fei Han, Shree R. Banjara, A. Sapkota, A. Kreyssig, A. I. Goldman, Z. Yamani, Christof Niedermayer, Markos Skoulatos, Robert Georgii, T. Keller, Pengshuai Wang, Weiqiang Yu, and Pengcheng Dai
Phys. Rev. Lett. 114, 157002 (2015)

A portable ultrahigh-vacuum system for advanced synchrotron radiation studies of thin films and nanostructures: EuSi2 nano-islands
Ibrahimkutty, Seiler, Prüßmann, Vitova, Pradip, Bauder, Wochner, Plech, Baumbach, Stankov
J Synchrotron Radiat. (2015)

From quantum matter to high-temperature superconductivity in copper oxides
B. Keimer, S. A. Kivelson, M. R. Norman, S. Uchida, J. Zaanen
Nature 518, 179, 12 February 2015

TRISP: Three axes spin echo spectrometer
Thomas Keller, Bernhard Keimer
JLSRF 1, A 37, (2015)

Interfacial roughness and proximity effects in superconductor/ferromagnet CuNi/Nb heterostructures
Y. Khaydukov, R. Morari, O. Soltwedel, T. Keller, G. Christiani, G. Logvenov, M. Kupriyanov, A. Sidorenko, B. Keimer
J. Appl. Phys. 118, 213905 published 04, December 2015

Structural, Magnetic, and Superconducting Characterization of the CuNi/Nb Bilayers of the S/F Type Using Polarized Neutron Reflectometry and Complementary Techniques
Y. Khaydukov, R. Morari, L. Mustafa, J.-H. Kim, T. Keller, S. Belevski, A. Csik, L. Tagirov, G. Logvenov, A. Sidorenko, B. Keimer
J. Supercond Nov Magn 2015,28: 1143-1147

Spatially and momentum resolved energy electron loss spectra from an ultra-thin PrNiO3 layer
M. K. Kinyanjui, G. Benner, G. Pavia, F. Boucher, H.-U. Habermeier, B. Keimer, U. Kaiser
Appl. Phys. Lett. 106, 203102, 18 May 2015

Angle-resolved X-ray reflectivity measurements during off-normal sputter deposition of VN
B. Krause, M. Kaufholz, S. Kotapati, R. Schneider, E. Müller, D. Gerthsen, P. Wochner, T. Baumbach
Surface and Coatings Technology Volume 277 (2015)

Influence of the Fermi Surface Morphology on the Magnetic Field-Driven Vortex Lattice Structure Transitions in YBa2Cu3O7−δ: δ = 0, 0.15
N. Galvan Leos, J. S. White, J. A. Lim, J. L. Gavilano, B. Delley, L. Lemberger, A. T. Holmes, M. Medarde, T. Loew, V. Hinkov, C. Lin, M. Laver, C. D. Dewhurst, E. M. Forgan
J. Phys.Soc.JPn 84, 044709 (2015)

Strong anharmonicity induces quantum melting of charge density wave in 2H-NbSe2 under pressure
M. Leroux, I. Errea, M. Le Tacon, S.-M. Souliou, G. Garbarino, L. Cario, A. Bosak, F. Mauri, M. Calandra and P. Rodière
Phys. Rev. B 92, 140303, 21 October 2015

Electronic nematic correlations in the stress-free tetragonal state of BaFe2−xNixAs2
Haoran Man, Xingye Lu, Justin S. Chen, Rui Zhang, Wenliang Zhang, Huiqian Luo, J. Kulda, A. Ivanov, T. Keller, Emilia Morosan, Qimiao Si, Pengcheng Dai
Phys. Rev. B 92, 134521 (2015)

Coherent modulation of the YBa2Cu3O6+x atomic structure by displacive stimulated ionic Raman scattering
R. Mankowsky,M. Först, T. Loew, J. Porras, B. Keimer, and A. Cavalleri
Phys. Rev. B 91, 094308, 31 March 2015

Collective Nature of Spin Excitations in Superconducting Cuprates Probed by Resonant Inelastic X-Ray Scattering
M. Minola, G. Dellea, H. Gretarsson, Y. Y. Peng, Y. Lu, J. Porras, T. Loew, F. Yakhou, N. B. Brookes, Y. B. Huang, J. Pelliciari, T. Schmitt, G. Ghiringhelli, B. Keimer, L. Braicovich, M. Le Tacon
Phys. Rev. Lett. 114 217003, 28 May 2015

Optical spectroscopic signatures of the magnetic and the structural phase transitions in the dielectric functions of the MnV2O4 spinel ferrimagnet
Kim Myung-Whun , Alexander V. Boris
Journal of the Korean Physical Society, Vol 66, 8 (2015)

Enhancement of superconducting coherence in YBa2Cu3Ox by resonant lattice excitation
Daniele Nicoletti, Wanzheng Hu, Stefan Kaiser, Cassandra R. Hunt, Isabella Gierz, Mathieu Le Tacon, Toshinao Loew, Bernhard Keimer, Andrea Cavalleri
OSA Publishing  Conference Papers (2015)

Structural origin of the anomalous temperature dependence of the local magnetic moments in the CaFe2As2 family of materials
L. Ortenzi, H. Gretarsson, S. Kasahara, Y. Matsuda, T. Shibauchi, K. D. Finkelstein, W. Wu, S.R. Julian, Young-June Kim, I. I. Mazin, L. Boeri
Phys. Rev. Lett. 114, 047001, 28 January 2015

Triplet superconductivity in oxide ferromagnetic interlayer of mesa-structure
G A Ovsyannikov, K Y Constantinian, A E Sheerman, A V Shadrin, Yu V Kislinski, Yu N Khaydukov, L Mustafa, A Kalabukhov, D Winkler
Journal of Physics: Conference Series, Volume 592, conference 1 (2015)

Magnetic excitations and phonons simultaneously studied by resonant inelastic x-ray scattering in optimally doped Bi1.5Pb0.55Sr1.6La0.4CuO6+δ
Y. Y. Peng, M. Hashimoto, M. Moretti Sala, A. Amorese, N. B. Brookes, G. Dellea, W.-S. Lee, M. Minola, T. Schmitt, Y. Yoshida, K.-J. Zhou, H. Eisaki, T. P. Devereaux, Z.-X. Shen, L. Braicovich, and G. Ghiringhelli
Phys. Rev. B 92, 064517, 24 August 2015

Spin transport in epitaxial magnetic manganite/ruthenate heterostructures with an LaMnO3 layer
A. M. Petrzhik, G. A. Ovsyannikov, A. V. Shadrin, Yu. N. Khaydukov, L. Mustafa
Journal of Experimental and Theoretical Physics, 119, 4 (2015)

Local octahedral rotations and octahedral connectivity in epitaxially strained LaN
H. Y. Qi, M. K. Kinyanjui, J. Biskupek, D. Geiger, E. Benckiser, H.-U. Habermeier, B. Keimer, U. Kaiser
J. Mater Sci 2015,50: 5300-5306 (2015)

Spin-triplet electron transport in hybrid superconductor heterostructures with a composite ferromagnetic interlayer
A. E. Sheyerman, K. Y. Constantinian, Gennady A. Ovsyannikov, Y. V. Kislinskii, A. V. Shadrin, Alexei Kalaboukhov, Y. N. Khaydukov
J. for exp.and theor.Phys. Vol 120, 1063-7761 (2015)

Preparation of a ferromagnetic barrier in YBa2Cu3O7–δ thinner than the coherence length
S. Soltan, J. Albrecht, E. Goering, G. Schütz, L. Mustafa, B. Keimer and H.-U. Habermeier
J. Appl. Phys. 118, 223902 published 11, December 2015

Dirac surface states and nature of superconductivity in Noncentrosymmetric BiPd
Zhixiang Sun, Mostafa Enayat, Ana Maldonado, Calum Lithgow, Ed Yelland, Darren C. Peets, Alexander Yaresko, Andreas P. Schnyder & Peter Wahl
Nature Comm. 6, 6633, 30 March 2015

Superconducting properties and pseudogap from preformed Cooper pairs in the triclinic (CaFe1−xPtxAs)10Pt3As8
M. A. Surmach, F. Brückner, S. Kamusella, R. Sarkar, P. Y. Portnichenko, J. T. Park, G. Ghambashidze, H. Luetkens, P. K. Biswas, W. J. Choi, Y. I. Seo, Y. S. Kwon, H.-H. Klauss, and D. S. Inosov
Phys. Rev. B 91, 104515 (2015)

Resonant spin excitations in unconventional heavy fermion superconductors and Kondo lattice compounds
Peter Thalmeier, Alireza Akbari
Quantum Criticality in Condensed Matter" (50th Karpacz Winter School of Theoretical Physics) World Scientific, Singapore (2015) p. 44

Spin-orbital excitation continuum and anomalous electron-phonon interaction in the Mott insulator LaTiO3
C. Ulrich, G. Khaliullin, M. Guennou, H. Roth, T. Lorenz, B. Keimer
Phys. Rev. Lett. 115, 156403, 09, October 2015

Orbital reflectometry of PrNiO3/PrAlO3 superlattices
M. Wu, E. Benckiser, P. Audehm, E. Goering, P. Wochner, G. Christiani, G. Logvenov, H.-U. Habermeier, B. Keimer
Phys. Rev. B 91, 195130, 20 May 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 Büchner, G A Sawatzky, L Alff and J Geck
New Journ. of Phys. 17, 083046, 24, August 2015


















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