37 citations · 223 across the 21 of their papers we have counts for
21 papers
Dynamically suppressed lattice rotations in SrTiO as a basis for photo-induced ferroelectricity
Huaiyu Hugo Wang, Michael Fechner, Giovanni De Vecchi +22
Photo-induced ferroelectricity in the quantum paraelectric SrTiO involves the dynamical interplay between a coherently driven Ti-O stretching vibration and multiple structural…
A Hubbard exciton fluid in a photo-doped antiferromagnetic Mott insulator
Omar Mehio, Xinwei Li, Honglie Ning +7
The undoped antiferromagnetic Mott insulator naturally has one charge carrier per lattice site. When it is doped with additional carriers, they are unstable to spin fluctuation-med…
Observation of excitons bound by antiferromagnetic correlations
Omar Mehio, Yuchen Han, Xinwei Li +4
Two-dimensional Mott insulators host antiferromagnetic (AFM) correlations that are predicted to enhance the attractive interaction between empty (holons) and doubly occupied (doubl…
High-pressure floating zone crystal growth of SrIrO
S. J. Gomez Alvarado, Y. Pang, P. A. Barrera +7
Here we demonstrate the floating zone crystal growth of the Mott insulator SrIrO. Historically, the growth of iridates from a ternary melt has been pre…
Dynamical decoding of the competition between charge density waves in a kagome superconductor
Honglie Ning, Kyoung Hun Oh, Yifan Su +13
The kagome superconductor CsVSb hosts a variety of charge density wave (CDW) phases, which play a fundamental role in the formation of other exotic electronic instabilities…
3D Heisenberg universality in the Van der Waals antiferromagnet NiPS
Rajan Plumley, Sougata Mardanya, Cheng Peng +20
Van der Waals (vdW) magnetic materials are comprised of layers of atomically thin sheets, making them ideal platforms for studying magnetism at the two-dimensional (2D) limit. Thes…
Incommensurate Magnetic Order in the Kagome Metal GdVSn
Zach Porter, Ganesh Pokharel, Jong-Woo Kim +2
We characterize the magnetic ground state of the topological kagome metal GdVSn via resonant X-ray diffraction. Previous magnetoentropic studies of GdVSn suggested…
Light-induced insulator-metal transition in SrIrO reveals the nature of the insulating ground state
Dongsung Choi, Changming Yue, Doron Azoury +11
SrIrO has attracted a lot of attention due to its structural and electronic similarities to LaCuO which is the parent compound of high-T superconducting cuprate…
Spin-orbit excitons and electronic configuration of the insulator SrIrOF
Zach Porter, Paul M. Sarte, Thorben Petersen +3
Here we report on the low-energy excitations within the paramagnetic spin-orbit insulator SrIrOF studied via resonant inelastic X-ray scattering, \textit{ab initio}…
Mapping the structural, magnetic and electronic behavior of (EuCa)IrO across a metal-insulator transition
E. Zoghlin, Z. Porter, S. Britner +5
In this study, we employ bulk electronic properties characterization and x-ray scattering/spectroscopy techniques to map the structural, magnetic and electronic properties of (Eu$_…
Imaging antiferromagnetic domain fluctuations and the effect of atomic-scale disorder in a doped spin-orbit Mott insulator
He Zhao, Zach Porter, Xiang Chen +3
Correlated oxides can exhibit complex magnetic patterns, characterized by domains with vastly different size, shape and magnetic moment spanning the material. Understanding how mag…
Spin-orbit-enhanced magnetic surface second-harmonic generation in SrIrO
K. L. Seyler, A. de la Torre, Z. Porter +6
An anomalous optical second-harmonic generation (SHG) signal was previously reported in SrIrO and attributed to a hidden odd-parity bulk magnetic state. Here we investigate…
Symmetry-resolved two-magnon excitations in a strong spin-orbit-coupled bilayer antiferromagnet
Siwen Li, Elizabeth Drueke, Zach Porter +7
We used a combination of polarized Raman spectroscopy and spin wave calculations to study magnetic excitations in the strong spin-orbit-coupled (SOC) bilayer perovskite antiferroma…
Correlating magnetic structure and magnetotransport in semimetal thin films of EuSmTiO
Zach Porter, Ryan F. Need, Kaveh Ahadi +6
We report on the evolution of the average and depth-dependent magnetic order in thin film samples of biaxially stressed and electron-doped EuTiO for samples across a doping ran…
Atomic-scale fragmentation and collapse of antiferromagnetic order in a doped Mott insulator
He Zhao, Sujit Manna, Zach Porter +6
Disentangling the relationship between the insulating state with a charge gap and the magnetic order in an antiferromagnetic (AF) Mott insulator remains difficult due to inherent p…
Evolution of structure and magnetism across the metal-insulator transition in the pyrochlore iridate NdCaIrO
Zach Porter, Eli Zoghlin, Samuel Britner +6
We report on the evolution of the thermal metal-insulator transition in polycrystalline samples of NdIrO upon hole-doping via substitution of Ca for Nd. C…
Overdamped antiferromagnetic strange metal state in SrIrRuO
Julian L. Schmehr, Thomas R. Mion, Zach Porter +8
The unconventional electronic ground state of SrIrRuO is explored via resonant x-ray scattering techniques and angle-resolved photoemission measurements. As the Ru content…
SrIrOF: Topochemical conversion of a relativistic Mott state into a spin-orbit driven band insulator
Christi Peterson, Michael W. Swift, Zach Porter +9
The topochemical transformation of single crystals of SrIrO into SrIrOF is reported via fluorine insertion. Characterization of the newly formed SrI…
Polarized Raman spectroscopy study of metallic : a consistent picture of disorder-interrupted unidirectional charge order
Wencan Jin, Siwen Li, Jianpeng Liu +9
We have used rotational anisotropic polarized Raman spectroscopy to study the symmetries, the temperature and the doping dependence of the charge ordered state in metallic $(Sr_{1-…
Unidirectional spin density wave state in metallic (Sr1-xLax)2IrO4
Xiang Chen, Julian L. Schmehr, Zahirul Islam +5
Materials that exhibit both strong spin orbit coupling and electron correlation effects are predicted to host numerous new electronic states. One prominent example is the Jeff =1/2…
Electron doping in : collapse of band gap and magnetic order
Michael W. Swift, Zach Porter, Stephen D. Wilson +1
The electron-doping-driven collapse of the charge gap and staggered magnetization of the spin-orbit-assisted Mott insulator SrIrO is explored via first-principles…