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19952026
most citedThe virtual crystal approximation revisited: Application to dielectric and piezoelectric properties of perovskites

912 citations

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37 papers · 1 filter

cond-mat.str-el2023★ 20 cited

Discovery of a magnetic Dirac system with large intrinsic non-linear Hall effect

Federico Mazzola, Barun Ghosh, Jun Fujii +9

Magnetic materials exhibiting topological Dirac fermions are attracting significant attention for their promising technological potential in spintronics. In these systems, the comb…

cond-mat.str-el2022★ 72 cited

Realistic Spin Model for Multiferroic NiI

Xuanyi Li, Changsong Xu, Boyu Liu +3

A realistic first-principle-based spin Hamiltonian is constructed for the type-II multiferroic NiI, using a symmetry-adapted cluster expansion method. Besides single ion anisot…

cond-mat.str-el2020★ 12 cited

Probing the pathway of an ultrafast structural phase transition to illuminate the transition mechanism in Cu2S

Junjie Li, Kai Sun, Jun Li +17

Disentangling the primary order parameter from secondary order parameters in phase transitions is critical to the interpretation of the transition mechanisms in strongly correlated…

cond-mat.str-el2019★ 11 cited

Plaquette instability competing with bicollinear ground state in detwinned FeTe

David W. Tam, Hsin-Hua Lai, Jin Hu +10

We use inelastic neutron scattering to show that long-range spin waves arising from the static bicollinear antiferromagnetic (AF) order in FeTe, which have twofold rotational symme…

cond-mat.str-el2019★ 5 cited

Stronger quantum fluctuation with larger spins: Emergent magnetism in the pressurized high-temperature superconductor FeSe

Yuting Tan, Tianyu Zhang, Tao Zou +6

A counter-intuitive enhancement of quantum fluctuation with larger spins, together with a few novel physical phenomena, is discovered in studying the recently observed emergent mag…

cond-mat.str-el2017★ 50 cited

Slater Insulator in Iridate Perovskites with Strong Spin-Orbit Coupling

Q. Cui, J. -G. Cheng, W. Fan +17

The perovskite SrIrO3 is an exotic narrow-band metal owing to a confluence of the strengths of the spin-orbit coupling (SOC) and the electron-electron correlations. It has been pro…

cond-mat.str-el2017★ 18 cited

Structural, magnetic, and electronic properties of GdTiO3 Mott insulator thin films grown by pulsed laser deposition

M. N. Grisolia, F. Y. Bruno, D. Sando +6

We report on the optimization process to synthesize epitaxial thin films of GdTiO3 on SrLaGaO4 substrates by pulsed laser deposition. Optimized films are free of impurity phases an…

cond-mat.str-el2016★ 23 cited

Geometrical lattice engineering of complex oxide heterostructures: a designer approach to emergent quantum states

Xiaoran Liu, S. Middey, Yanwei Cao +2

Epitaxial heterostructures composed of complex oxides have fascinated researchers for over a decade as they offer multiple degrees of freedom to unveil emergent many-body phenomena…

cond-mat.str-el2016★ 305 cited

Physics of ultrathin films and heterostructures of rare earth nickelates

S. Middey, J. Chakhalian, P. Mahadevan +3

The electronic structure of transition metal oxides featuring correlated electrons can be rationalized within the Zaanen-Sawatzky-Allen framework. Following a brief description of…

cond-mat.str-el2016★ 28 cited

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…

cond-mat.str-el2015★ 8 cited

Metallic interface in non-SrTiO3 based titanate superlattice

Xiaoran Liu, D. Choudhury, Yanwei Cao +3

We report on the fabrication of all perovskite Mott insulator/band insulator YTiO3/CaTiO3 superlattices by pulsed laser deposition. The combination of in situ reflection high energ…

cond-mat.str-el2015★ 48 cited

Driving spin excitations by hydrostatic pressure in BiFeO3

J. Buhot, C. Toulouse, Y. Gallais +10

Optical spectroscopy has been combined with computational and theoretical techniques to show how the spin dynamics in the model multiferroic BiFeO3 responds to the application of h…

cond-mat.str-el2015★ 31 cited

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…

cond-mat.str-el2015★ 29 cited

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+…

cond-mat.str-el2015★ 105 cited

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…

cond-mat.str-el2015★ 13 cited

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…

cond-mat.str-el2014★ 278 cited

Emergent properties hidden in plane view: Strong electronic correlations at oxide interfaces

Jak Chakhalian, John W. Freeland, Andrew J. Millis +2

Finding new collective electronic states in materials is one of the fundamental goals of condensed matter physics. Atomic-scale superlattices formed from transition metal oxides ar…

cond-mat.str-el2014★ 53 cited

Mott Electrons in an Artificial Graphenelike Crystal of Rare-Earth Nickelate

S. Middey, D. Meyers, D. Doennig +10

Deterministic control over the periodic geometrical arrangement of the constituent atoms is the backbone of the material properties, that along with the interactions define the ele…

cond-mat.str-el2014

Electronic and magnetic properties of (1 1 1)-oriented CoCr2O4 epitaxial thin film

Xiaoran Liu, M. Kareev, Yanwei Cao +5

We report on the fabrication of high quality (1 1 1)-oriented ferrimagnetic normal spinel CoCr2O4 epitaxial thin films on single crystal Al2O3 substrates. The structural, electroni…

cond-mat.str-el2014★ 21 cited

Competition between heavy-fermion and Kondo interaction in isoelectronic A-site ordered perovskites

D. Meyers, S. Middey, J. -G. Cheng +10

With current research efforts shifting towards the 4 and 5 transition metal oxides, understanding the evolution of the electronic and magnetic structure as one moves away fro…

cond-mat.str-el2014★ 8 cited

Epitaxial stabilization of ultra thin films of electron doped manganites

S. Middey, M. Kareev, D. Meyers +6

Ultra-thin films of the electron doped manganite LaCeMnO were grown in a layer-by-layer growth mode on SrTiO (001) substrates by pulsed laser interval depos…

cond-mat.str-el2014★ 68 cited

Polar catastrophe in ultra-thin limit: A case of rare-earth perovskite LaNiO3

S. Middey, P. Rivero, D. Meyers +6

We address the fundamental issue of growth of perovskite ultra-thin films under the condition of a strong polar mismatch at the heterointerface exemplified by the growth of a corre…

cond-mat.str-el2013★ 18 cited

Metallic Conductance at the Interface of Tri-color Titanate Superlattices

M. Kareev, Yanwei Cao, Xiaoran Liu +3

Ultra-thin tri-color (tri-layer) titanate superlattices ([3u.c. LaTiO3/2u.c. SrTiO3/3u.c. YTiO3], u.c. = unit cells) were grown in a layer-by-layer way on single crystal TbScO3 (11…

cond-mat.str-el2013★ 221 cited

Heterointerface engineered electronic and magnetic phases of NdNiO3 thin films

Jian Liu, Mehdi Kargarian, Mikhail Kareev +10

Mott physics is characterized by an interaction-driven metal-to-insulator transition in a partially filled band. In the resulting insulating state, antiferromagnetic orders of the…