151 citations · 906 across the 22 of their papers we have counts for
13 papers · 1 filter
Magnetic ground state of the dimer-based hexagonal perovskite BaZnRuO
S. Hayashida, H. Gretarsson, P. Puphal +7
We investigate the magnetic ground state of single crystals of the ruthenium-dimer-based hexagonal perovskite BaZnRuO using magnetic susceptibility and resonant i…
Investigation of spin excitations and charge order in bulk crystals of the infinite-layer nickelate LaNiO
S. Hayashida, V. Sundaramurthy, P. Puphal +10
Recent x-ray spectroscopic studies have revealed spin excitations and charge density waves in thin films of infinite-layer (IL) nickelates. However, clarifying whether the origin o…
Spin-orbit excitons in a correlated metal: Raman scattering study of Sr2RhO4
Lichen Wang, Huimei Liu, Valentin Zimmermann +6
Using Raman spectroscopy to study the correlated 4-electron metal SrRhO, we observe pronounced excitations at 220 meV and 240 meV with and $B_\mathrm{1g}…
Phase formation in hole- and electron-doped rare-earth nickelate single crystals
P. Puphal, V. Sundaramurthy, V. Zimmermann +5
The recent discovery of superconductivity in hole-doped infinite-layer nickelates has triggered a great interest in the synthesis of novel nickelate phases, which have primarily be…
Gapped collective charge excitations and interlayer hopping in cuprate superconductors
M. Hepting, M. Bejas, A. Nag +17
We use resonant inelastic x-ray scattering (RIXS) to probe the propagation of plasmons in the electron-doped cuprate superconductor SrLaCuO (SLCO). We detect a…
Critical magnetic fluctuations in the layered ruthenates CaRuO and CaRuO
H. Trepka, T. Keller, M. Krautloher +5
Materials realizing the XY model in two dimensions (2D) are sparse. Here we use neutron triple-axis spectroscopy to investigate the critical static and dynamical magnetic fluctuati…
Investigation of hydrogen incorporations in bulk infinite-layer nickelates
Pascal Puphal, Vladimir Pomjakushin, Roberto A. Ortiz +4
Infinite-layer (IL) nickelates are an emerging class of superconductors, where the Ni valence state in a square planar NiO coordination can only be reached via topotacti…
Magnetic correlations in infinite-layer nickelates: an experimental and theoretical multi-method study
R. A. Ortiz, P. Puphal, M. Klett +12
We report a comprehensive study of magnetic correlations in LaNiO, a parent compound of the recently discovered family of infinite-layer (IL) nickelate superconductors, using…
Complex magnetic order in nickelate slabs
Matthias Hepting, Robert J. Green, Zhicheng Zhong +18
Magnetic ordering phenomena have a profound influence on the macroscopic properties of correlated-electron materials, but their realistic prediction remains a formidable challenge.…
Persistent low-energy phonon broadening near the charge order -vector in bilayer cuprate BiSrCaCuO
Yu He, Shan Wu, Yu Song +23
We report a persistent low-energy phonon broadening around r.l.u. along the Cu-O bond direction in the high- cuprate BiSrCaCuO (Bi-2212).…
Transfer of magnetic order and anisotropy through epitaxial integration of 3 and 4 spin systems
M. Bluschke, A. Frano, E. Schierle +7
Resonant x-ray scattering at the Dy and Ni absorption edges was used to probe the temperature and magnetic field dependence of magnetic order in epitaxial LaNiO-DyS…
Quantitative determination of bond order and lattice distortions in nickel oxide heterostructures by resonant x-ray scattering
Y. Lu, A. Frano, M. Bluschke +10
We present a combined study of Ni -edge resonant x-ray scattering and density functional calculations to probe and distinguish electronically driven ordering and lattice distort…
Tunable Charge and Spin Order in PrNiO Thin Films and Superlattices
M. Hepting, M. Minola, A. Frano +10
We have used polarized Raman scattering to probe lattice vibrations and charge ordering in 12 nm thick, epitaxially strained PrNiO films, and in superlattices of PrNiO with…