219 citations · 1.4k across the 42 of their papers we have counts for
33 papers · 1 filter
Extraordinary magnetic response of an anisotropic 2D antiferromagnet via site-dilution
Junyi Yang, Hidemaro Suwa, Derek. Meyers +9
A prominent character of two-dimensional magnetic systems is the enhanced spin fluctuations, which however reduce the ordering temperature. Here we report that a magnetic field of…
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…
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…
Laser-Induced Transient Magnons in Sr3Ir2O7 Throughout the Brillouin Zone
D. G. Mazzone, D. Meyers, Y. Cao +32
Although ultrafast manipulation of magnetism holds great promise for new physical phenomena and applications, targeting specific states is held back by our limited understanding of…
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…
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…
Nucleation and growth bottleneck in the conductivity recovery dynamics of nickelate thin films
Elsa Abreu, Derek Meyers, Verner K. Thorsmolle +5
We investigate THz conductivity dynamics in NdNiO and EuNiO thin films following a photoinduced thermal quench into the metallic state and reveal a clear contrast between f…
Epitaxial stabilization of Sr3Ir2O7 thin films
Junyi Yang, Lin Hao, Peyton Nanney +8
Ruddlesden-popper type Srn+1IrnO3n+1 compound is a major focus of condensed matter physics where the subtle balance between electron-electron correlation, spin-orbit interaction an…
Ultrafast dynamics of spin and orbital correlations in quantum materials: an energy- and momentum-resolved perspective
Y. Cao, D. G. Mazzone, D. Meyers +4
Many remarkable properties of quantum materials emerge from states with intricate coupling between the charge, spin and orbital degrees of freedom. Ultrafast photo-excitations of t…
Epitaxial strain modulated electronic properties of interface controlled nickelate superlattice
S. Middey, D. Meyers, Shashank Kumar Ojha +5
Perovskite nickelate heterostructure consisting of single unit cell of EuNiO and LaNiO have been grown on a set of single crystalline substrates by pulsed laser interval de…
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…
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…
Novel spin-orbit coupling driven emergent states in iridate-based heterostructures
Lin Hao, D. Meyers, M. P. M. Dean +1
Recent years have seen many examples of how the strong spin-orbit coupling (SOC) present in iridates can stabilize new emergent states that are difficult or impossible to realize i…
Magnetism in artificial Ruddlesden-Popper iridates leveraged by structural distortions
D. Meyers, Yue Cao, G. Fabbris +18
We report on the tuning of magnetic interactions in superlattices composed of single and bilayer SrIrO inter-spaced with SrTiO. Magnetic scattering shows predominately -…
Doping dependence of the magnetic excitations in LaSrCuO
D. Meyers, H. Miao, A. C. Walters +13
The magnetic correlations within the cuprates have undergone intense scrutiny as part of efforts to understand high temperature superconductivity. We explore the evolution of the m…
Doping Dependence of Collective Spin and Orbital Excitations in Spin 1 Quantum Antiferromagnet LaSrNiO Observed by X-rays
G. Fabbris, D. Meyers, L. Xu +14
We report the first empirical demonstration that resonant inelastic x-ray scattering (RIXS) is sensitive to \emph{collective} magnetic excitations in systems by probing the N…
Giant Spin Gap and Magnon Localization in the Disordered Heisenberg Antiferromagnet Sr2Ir1-xRuxO4
Yue Cao, Xuerong Liu, Wenhu Xu +15
We study the evolution of magnetic excitations in the disordered two-dimensional antiferromagnet Sr2Ir1-xRuxO4. A gigantic magnetic gap greater than 40 meV opens at x = 0.27 and in…
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…
Response to Comment (arXiv:1506.02787v1) on Selective Interface Control of Order Parameters in Complex Oxides
D. Meyers, Jian Liu, J. W. Freeland +7
In response to Lu et al, (arXiv:1506.02787v1), here we present a detailed writeup concerning the questions raised in their comment on our eprint (arXiv:1505.07451). The key questio…
Selective Interface Control of Order Parameters in Complex Oxides
D. Meyers, Jian Liu, J. W. Freeland +7
In complex materials observed electronic phases and transitions between them often involves coupling between many degrees of freedom whose entanglement convolutes understanding of…
Anomalous charge and negative-charge-transfer insulating state in cuprate chain-compound KCuO_2
D. Choudhury, P. Rivero, D. Meyers +8
Using a combination of X-ray absorption spectroscopy experiments with first principle calculations, we demonstrate that insulating KCuO_2 contains Cu in an unusually-high formal-3+…
Engineered Mott ground state in LaTiO/LaNiO heterostructure
Yanwei Cao, Xiaoran Liu, M. Kareev +7
In pursuit of creating cuprate-like electronic and orbital structures, artificial heterostructures based on LaNiO have inspired a wealth of exciting experimental and theoretica…
Epitaxial Growth of (1 1 1)-Oriented Spinel CoCrO/AlO Heterostructures
Xiaoran Liu, D. Choudhury, Yanwei Cao +6
High quality (1 1 1)-oriented CoCrO/AlO heterostructures were synthesized on the sapphire (0 0 0 1) single crystal substrates in a layer-by-layer mode. The structur…