352 citations · 738 across the 22 of their papers we have counts for
22 papers
Emergence of interfacial magnetism in strongly-correlated nickelate-titanate superlattices
Teguh Citra Asmara, Robert J. Green, Andreas Suter +21
Strongly-correlated transition-metal oxides are widely known for their various exotic phenomena. This is exemplified by rare-earth nickelates such as LaNiO, which possess int…
Spin waves and orbital contribution to ferromagnetism in a topological metal
Wenliang Zhang, Teguh Citra Asmara, Yi Tseng +11
Special arrangements of atoms with more than one atom per unit cell, including honeycomb or kagome (woven bamboo mat) lattices, can host propagating excitations with non-trivial to…
Fate of charge order in overdoped La-based cuprates
K. von Arx, Qisi Wang, S. Mustafi +18
In high-temperature cuprate superconductors, stripe order refers broadly to a coupled spin and charge modulation with a commensuration of eight and four lattice units, respectively…
Unravelling the Nature of Spin Excitations Disentangled from Charge Contributions in a Doped Cuprate Superconductor
Wenliang Zhang, Cliò Efthimia Agrapidis, Yi Tseng +7
The nature of the spin excitations in superconducting cuprates is a key question toward a unified understanding of the cuprate physics from long-range antiferromagnetism to superco…
Crossover of the high-energy spin fluctuations from collective triplons to localized magnetic excitations in doped Sr14-xCaxCu24O41 cuprate ladders
Y. Tseng, J. Thomas, W. Zhang +13
We studied the magnetic excitations in the quasi-one-dimensional (q-1D) ladder subsystem of Sr_(14-x) Ca_x Cu_24 O_41(SCCO) using Cu L_3-edge resonant inelastic X-ray scattering (R…
Dispersionless orbital excitations in (Li,Fe)OHFeSe superconductors
Qian Xiao, Wenliang Zhang, Teguh Citra Asmara +9
The superconducting critical temperature of intercalated iron-selenide superconductor (Li,Fe)OHFeSe (FeSe11111) can be increased to 42 K from 8 K of bulk FeSe. It…
Resonant Inelastic X-ray Scattering Study of Electron-Exciton Coupling in High-Tc Cuprates
F. Barantani, M. K. Tran, I. Madan +14
Explaining the mechanism of superconductivity in the high- cuprates requires an understanding of what causes electrons to form Cooper pairs. Pairing can be mediated by phonons…
Spin-excitation anisotropy in the nematic state of detwinned FeSe
Xingye Lu, Wenliang Zhang, Yi Tseng +11
The origin of the electronic nematicity in FeSe is one of the most important unresolved puzzles in the study of iron-based superconductors. In both spin- and orbital-nematic models…
Probing the interplay between lattice dynamics and short-range magnetic correlations in CuGeO3 with femtosecond RIXS
E. Paris, C. W. Nicholson, S. Johnston +13
Investigations of magnetically ordered phases on the femtosecond timescale have provided significant insights into the influence of charge and lattice degrees of freedom on the mag…
Spin dynamics in NaFeAs and NaFeCuAs probed by resonant inelastic X-ray scattering
Yu Song, Weiyi Wang, Eugenio Paris +11
The parent compounds of iron-based superconductors are magnetically-ordered bad metals, with superconductivity appearing near a putative magnetic quantum critical point. The presen…
Strain-engineering of the charge and spin-orbital interactions in Sr2IrO4
Eugenio Paris, Yi Tseng, Ekaterina M. Pärschke +16
In the high spin-orbit coupled Sr2IrO4, the high sensitivity of the ground state to the details of the local lattice structure shows a large potential for the manipulation of the f…
Novel Cu-based dz2 order at a YBa2Cu3O7/ manganite interface
Roxana Gaina, Christopher W. Nicholson, Maxime Rumo +12
The interplay of nearly degenerate orders in quantum materials can lead to a myriad of emergent phases. A prominent case is that of the high-Tc cuprates for which the relationship…
Resonant Inelastic X-ray Scattering Study of CaRuO
K. von Arx, F. Forte, M. Horio +13
We present a combined oxygen -edge x-ray absorption spectroscopy (XAS) and resonant inelastic x-ray scattering (RIXS) study of the bilayer ruthenate CaRuO. Our RIXS…
High-Temperature Charge-Stripe Correlations in LaEuSrCuO
Qisi Wang, M. Horio, K. von Arx +24
We use resonant inelastic x-ray scattering to investigate charge-stripe correlations in LaEuSrCuO. By differentiating elastic from inelastic scatter…
Electronic structure of the parent compound of superconducting infinite-layer nickelates
M. Hepting, D. Li, C. J. Jia +22
The search for oxide materials with physical properties similar to the cuprate high Tc superconductors, but based on alternative transition metals such as nickel, has grown and evo…
Orbital dynamics during an ultrafast insulator to metal transition
Sergii Parchenko, Eugenio Paris, Daniel McNally +20
Phase transitions driven by ultrashort laser pulses have attracted interest both for understanding the fundamental physics of phase transitions and for potential new data storage o…
Orbital-selective confinement effect of Ru orbitals in SrRuO ultrathin film
Soonmin Kang, Yi Tseng, Beom Hyun Kim +11
The electronic structure of SrRuO thin film with thickness from 50 to 1 unit cell (u.c.) is investigated via the resonant inelastic x-ray scattering (RIXS) technique at the O K…
Site selective spin and orbital excitations in Fe3O4
H. Elnaggar, R. Wang, S. Lafuerza +10
is a mixed-valence strongly correlated transition metal oxide which displays the intriguing metal to insulator Verwey transition. Here we investigate the electronic and m…
Strain-Engineering Mott-Insulating LaCuO
O. Ivashko, M. Horio, W. Wan +15
The transition temperature of unconventional superconductivity is often tunable. For a monolayer of FeSe, for example, the sweet spot is uniquely bound to titanium-o…
Spin-Orbital Excitations in CaRuO Revealed by Resonant Inelastic X-ray Scattering
L. Das, F. Forte, R. Fittipaldi +19
The strongly correlated insulator CaRuO is considered as a paradigmatic realization of both spin-orbital physics and a band-Mott insulating phase, characterized by orbita…
Quasiparticle Interference in ZrSiS - Strongly Band-Selective Scattering Depending on Impurity Lattice Site
Christopher J. Butler, Yu-Mi Wu, Cheng-Rong Hsing +5
Scanning tunneling microscopy visualizations of quasiparticle interference (QPI) enable powerful insights into the k-space properties of superconducting, topological, Rashba and ot…
Observation of surface superstructure induced by systematic vacancies in the topological Dirac semimetal CdAs
Christopher J. Butler, Yi Tseng, Cheng-Rong Hsing +6
The Dirac semimetal phase found in CdAs is protected by a rotational symmetry derived from a corkscrew arrangement of systematic Cd vacancies in its complicated…