169 citations · 1.2k across the 35 of their papers we have counts for
35 papers
Near itinerancy and slow singlet formation in the triangular lattice NaRuO2
Charles C. Tam, Alon Hendler Avidor, Pritam Bhattacharyya +6
NaRuO forms a delafossite-like structure that contains triangular sublattices of edge-sharing RuO octahedra. It shows no evidence of magnetic order down to 100 mK and persi…
Spontaneous orbital polarization in the nematic phase of FeSe
Connor A. Occhialini, Joshua J. Sanchez, Qian Song +5
The origin of nematicity in FeSe remains a critical outstanding question towards understanding unconventional superconductivity in proximity to nematic order. To understand what dr…
Strain-Switchable Field-Induced Superconductivity
Joshua J. Sanchez, Gilberto Fabbris, Yongseong Choi +9
Field-induced superconductivity is a rare phenomenon where an applied magnetic field enhances or induces superconductivity. This fascinating effect arises from a complex interplay…
Experimental verification of polar structures in ultrathin BaTiO_{3} layers using resonant x-ray reflectivity
Kook Tae Kim, Yeong Jae Shinb, Sung-Jin Kang +6
Functional devices with ultrathin ferroelectric layers have been attracted as a promising candidate for next-generation memory and logic device applications. Using the ultrathin fe…
Quasi-2D anomalous Hall Mott insulator of topologically engineered Jeff =1/2 electrons
Junyi Yang, Hidemaro Suwa, Derek Meyers +12
We investigate an experimental toy-model system of a pseudospin-half square-lattice Hubbard Hamiltonian in [(SrIrO3)1/(CaTiO3)1] to include both nontrivial complex hopping and mode…
Reconciling monolayer and bilayer square lattices in hybrid oxide superlattice
Dongliang Gong, Junyi Yang, Lin Hao +7
The number of atomic layers confined in a two-dimensional structure is crucial for the electronic and magnetic properties. Single-layer and bilayer square latti…
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$_…
A magnetic Weyl semimetallic phase in thin films of EuIrO
Xiaoran Liu, Shiang Fang, Yixing Fu +17
The interplay between electronic interactions and strong spin-orbit coupling is expected to create a plethora of fascinating correlated topological states of quantum matter. Of par…
Observation of orbital order in the Van der Waals material 1T-TiSe2
Yingying Peng, Xuefei Guo, Qian Xiao +11
Besides magnetic and charge order, regular arrangements of orbital occupation constitute a fundamental order parameter of condensed matter physics. Even though orbital order is dif…
Giant anisotropic magnetoresistance with dual-four-fold symmetry in CaMnO3/CaIrO3 heterostructures
Suman Sardar, Megha Vagadia, Tejas Tank Sarmistha Das +9
The realization of four-fold anisotropic magnetoresistance (AMR) in novel 3d-5d heterostructures has boosted major efforts in antiferromagnetic spintronics. However, despite the po…
Strongly anisotropic antiferromagnetic coupling in EuFe2As2 revealed by stress detwinning
Joshua J Sanchez, Gilberto Fabbris, Yongseong Choi +8
Of all parent compounds of iron-based high-temperature superconductors, EuFe2As2 exhibits by far the largest magnetostructural coupling due to the sizable biquadratic interaction b…
Imaging spinon density modulations in a 2D quantum spin liquid
Wei Ruan, Yi Chen, Shujie Tang +17
Two-dimensional triangular-lattice antiferromagnets are predicted under some conditions to exhibit a quantum spin liquid ground state whose low-energy behavior is described by a sp…
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…
Emergent electric field control of phase transformation in oxide superlattices
Di Yi, Yujia Wang, Olaf M. J. van 't Erve +13
Electric fields can transform materials with respect to their structure and properties, enabling various applications ranging from batteries to spintronics. Recently electrolytic g…
Spontaneous Hall Effect enhanced by local Ir moments in epitaxial PrIrO thin films
Lu Guo, Neil Campbell, Yongseong Choi +10
Rare earth pyrochlore Iridates (RE2Ir2O7) consist of two interpenetrating cation sublattices, the RE with highly-frustrated magnetic moments, and the Iridium with extended conducti…
Anomalous Magnetoresistance due to Longitudinal Spin Fluctuations in a Jeff = 1/2 Mott Semiconductor
Lin Hao, Zhentao Wang, Junyi Yang +12
As a hallmark of electronic correlation, spin-charge interplay underlies many emergent phenomena in doped Mott insulators, such as high-temperature superconductivity, whereas the h…
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…
Photoemission and Dynamical Mean Field Theory Study of Electronic Correlation in a Metal of SrRhO Thin Film
Yujun Zhang, Minjae Kim, Jernej Mravlje +8
Perovskite rhodates are characterized by intermediate strengths of both electronic correlation as well as spin-orbit coupling (SOC) and usually behave as moderately correlated meta…
Room-temperature ferromagnetic insulating state in highly cation-ordered epitaxial oxide double perovskite
Changhee Sohn, Elizabeth Skoropata, Yongseong Choi +9
Ferromagnetic insulators (FMIs) are one of the most important components in developing dissipationless electronic and spintronic devices. However, since ferromagnetism generally ac…
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…
Giant magnetic response of a two-dimensional antiferromagnet
Lin Hao, D. Meyers, Hidemaro Suwa +14
A fundamental difference between antiferromagnets and ferromagnets is the lack of linear coupling to a uniform magnetic field due to the staggered order parameter. Such coupling is…
Enhanced magnetic and thermoelectric properties in epitaxial polycrystalline SrRuO3 thin film
Sungmin Woo, Sang A Lee, Hyeona Mun +11
Transition metal oxide thin films show versatile electrical, magnetic, and thermal properties which can be tailored by deliberately introducing macroscopic grain boundaries via pol…
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…
High pressure x-ray study of spin-Peierls physics in the quantum spin chain material TiOCl
Costel R. Rotundu, Jiajia Wen, Wei He +3
The application of pressure can induce transitions between unconventional quantum phases in correlated materials. The inorganic compound TiOCl, composed of chains of S=1/2 Ti ions,…