307 citations · 1.8k across the 53 of their papers we have counts for
23 papers · 1 filter
Spectral Evidence for Local-Moment Ferromagnetism in van der Waals Metals FeGaTe and FeGeTe
Han Wu, Chaowei Hu, Yaofeng Xie +26
Magnetism in two-dimensional (2D) materials has attracted considerable attention recently for both fundamental understanding of magnetism and their tunability towards device applic…
Orthorhombic distortion drives orbital ordering in an antiferromagnetic 3 Mott insulator
Prithwijit Mandal, Shashank Kumar Ojha, Duo Wang +9
The orbital, which represents the shape of the electron cloud, very often strongly influences the manifestation of various exotic phenomena, e.g., magnetism, metal-insulator transi…
Antiferromagnetic metal phase in an electron-doped rare-earth nickelate
Qi Song, Spencer Doyle, Grace A. Pan +28
Long viewed as passive elements, antiferromagnetic materials have emerged as promising candidates for spintronic devices due to their insensitivity to external fields and potential…
Search for order near a forbidden Bragg position in BiSrCaCuO with resonant soft x-ray scattering
Xuefei Guo, Sangjun Lee, Thomas A. Johnson +13
Identifying what broken symmetries are present in the cuprates has become a major area of research. Many authors have reported evidence for so-called "" order that involv…
Strain-modulated Slater-Mott crossover of pseudospin-half square-lattice in (SrIrO3)1/ (SrTiO3)1 superlattices
Junyi Yang, Lin Hao, Derek Meyers +15
We report on the epitaxial strain-driven electronic and antiferromagnetic modulations of a pseudospin-half square lattice realized in superlattices of (SrIrO3)1/(SrTiO3)1. With inc…
Probing electronic and magnetic transitions of short periodic nickelate superlattices using synchrotron x-ray
S. Middey, Ranjan Kumar Patel, D. Meyers +6
Transition metal based oxide heterostructures exhibit diverse emergent phenomena e.g. two dimensional electron gas, superconductivity, non-collinear magnetic phase, ferroelectricit…
Quantum spin liquids by geometric lattice design
Xiaoran Liu, T. Asaba, Qinghua Zhang +12
On a lattice composed of triangular plaquettes where antiferromagnetic exchange interactions between localized spins cannot be simultaneously satisfied, the system becomes geometri…
Emergent phase in short-periodic rare-earth nickelate superlattices
S. Middey, Ranjan Kumar Patel, D. Meyers +6
Heterostructure engineering provides an efficient way to obtain several unconventional phases of LaNiO3, which is otherwise paramagnetic, metallic in bulk form. In this work, a new…
Stabilization of high-pressure GeCuO spinel cuprate with quasi-1D chains in the epitaxial thin-film form
Denis M. Vasiukov, Mikhail Kareev, Fangdi Wen +3
GeCuO is a high-pressure recoverable cuprate with a strongly tetragonally elongated spinel structure and magnetic lattice formed by CuO linear chains with frust…
Unconventional crystal field splitting in non-centrosymmetric BaTiO thin films
Yang Song, Xiaoran Liu, Fangdi Wen +10
Understanding the crystal field splitting and orbital polarization in non-centrosymmetric systems such as ferroelectric materials is fundamentally important. In this study, taking…
Epitaxial stabilization of thin films of the frustrated Ge-based spinels
Denis M. Vasiukov, Mikhail Kareev, Fangdi Wen +5
Frustrated magnets can host numerous exotic many-body quantum and topological phenomena. GeNiO is a three dimensional frustrated magnet with an unusual two-stage tran…
Emergent magnetic state in (111)-oriented quasi-two-dimensional spinel oxides
Xiaoran Liu, B. J. Kirby, Zhicheng Zhong +8
We report on the emergent magnetic state of (111)-oriented CoCr2O4 ultrathin films sandwiched by Al2O3 in the quantum confined geometry. At the two-dimensional crossover, polarized…
Interface-engineered hole doping in Sr2IrO4/LaNiO3 heterostructure
Fangdi Wen, Xiaoran Liu, Qinghua Zhang +9
The relativistic Mott insulator Sr2IrO4 driven by large spin-orbit interaction is known for the Jeff = 1/2 antiferromagnetic state which closely resembles the electronic structure…
Evolution of charge order topology across a magnetic phase transition in cuprate superconductors
Mingu Kang, Jonathan Pelliciari, Alex Frano +17
Charge order is now accepted as an integral constituent of cuprate high-temperature superconductors, one that is intimately related to other instabilities in the phase diagram incl…
Inverted orbital polarization in strained correlated oxide films
Paul C. Rogge, Robert J. Green, Padraic Shafer +6
Manipulating the orbital occupation of valence electrons via epitaxial strain in an effort to induce new functional properties requires considerations of how changes in the local b…
Decoupling carrier concentration and electron-phonon coupling in oxide heterostructures observed with resonant inelastic x-ray scattering
D. Meyers, Ken Nakatsukasa, Sai Mu +19
We report the observation of multiple phonon satellite features in ultra thin superlattices of form SrIrO/SrTiO using resonant inelastic x-ray scattering. As the valu…
Control of hidden ground-state order in NdNiO superlattices
Ankit S. Disa, Alexandru B. Georgescu, James L. Hart +8
The combination of charge and spin degrees of freedom with electronic correlations in condensed matter systems leads to a rich array of phenomena, such as magnetism, superconductiv…
Resolving interfacial charge transfer in titanate superlattices using resonant X-ray reflectometry
R. F. Need, P. B. Marshall, E. Weschke +6
Charge transfer in oxide heterostructures can be tuned to promote emergent interfacial states, and accordingly, has been the subject of intense study in recent years. However, acce…
Disentangled cooperative orderings in artificial rare-earth nickelates
S. Middey, D. Meyers, M. Kareev +7
Coupled transitions between distinct ordered phases are important aspects behind the rich phase complexity of correlated oxides that hinders our understanding of the underlying phe…
Synthesis and electronic properties of Ruddlesden-Popper strontium iridate epitaxial thin films stabilized by control of growth kinetics
Xiaoran Liu, Yanwei Cao, B. Pal +7
We report on the selective fabrication of high-quality SrIrO and SrIrO epitaxial thin films from a single polycrystalline SrIrO target by pulsed laser depositio…
Tuning Perpendicular Magnetic Anisotropy by Oxygen Octahedral Rotations in (LaSrMnO)/(SrIrO) Superlattices
Di Yi, Charles L. Flint, Purnima P. Balakrishnan +13
Perpendicular magnetic anisotropy (PMA) plays a critical role in the development of spintronics, thereby demanding new strategies to control PMA. Here we demonstrate a conceptually…
Magnetic interactions at the nanoscale in trilayer titanates LaTiO/SrTiO/YTiO
Yanwei Cao, Zhenzhong Yang, M. Kareev +10
We report on the phase diagram of competing magnetic interactions at nanoscale in engineered ultra-thin trilayer heterostructures of LaTiO/SrTiO/YTiO, in which th…
Correlation-driven insulator-metal transition in near-ideal vanadium dioxide films
A. X. Gray, J. Jeong, N. P. Aetukuri +17
We use polarization- and temperature-dependent x-ray absorption spectroscopy, in combination with photoelectron microscopy, x-ray diffraction and electronic transport measurements,…