Magnetic oxide heterostructures

A Bhattacharya, SJ May - Annual Review of Materials Research, 2014 - annualreviews.org
Complex transition metal oxides have played a central role in the study of magnetic
materials, serving as model systems for explorations of fundamental exchange interactions …

Mechanical control of magnetic order: from phase transition to skyrmions

J Wang - Annual Review of Materials Research, 2019 - annualreviews.org
Topological magnetic structures such as domain walls, vortices, and skyrmions have
recently received considerable attention because of their potential application in advanced …

Insulating Ferromagnetic Films: A Phase Induced by Ordering of Oxygen Vacancies

N Biškup, J Salafranca, V Mehta, MP Oxley, Y Suzuki… - Physical Review Letters, 2014 - APS
The origin of ferromagnetism in strained epitaxial LaCoO 3 films has been a long-standing
mystery. Here, we combine atomically resolved Z-contrast imaging, electron-energy-loss …

Strain-induced spin states in atomically ordered cobaltites

WS Choi, JH Kwon, H Jeen, JE Hamann-Borrero… - Nano …, 2012 - ACS Publications
Epitaxial strain imposed in complex oxide thin films by heteroepitaxy is recognized as a
powerful tool for identifying new properties and exploring the vast potential of materials …

Strain-induced high-temperature perovskite ferromagnetic insulator

D Meng, H Guo, Z Cui, C Ma, J Zhao… - Proceedings of the …, 2018 - National Acad Sciences
Ferromagnetic insulators are required for many new magnetic devices, such as
dissipationless quantum-spintronic devices, magnetic tunneling junctions, etc …

Effects of concentration, crystal structure, magnetism, and electronic structure method on first-principles oxygen vacancy formation energy trends in perovskites

MT Curnan, JR Kitchin - The Journal of Physical Chemistry C, 2014 - ACS Publications
Systematic prediction of the redox reaction energetics of large sets of 3d transition metal
oxides is imperative to the selection of oxygen carrier candidates in applications ranging …

Dimensionality Controlled Octahedral Symmetry-Mismatch and Functionalities in Epitaxial LaCoO3/SrTiO3 Heterostructures

L Qiao, JH Jang, DJ Singh, Z Gai, H Xiao, A Mehta… - Nano …, 2015 - ACS Publications
Epitaxial strain provides a powerful approach to manipulate physical properties of materials
through rigid compression or extension of their chemical bonds via lattice-mismatch …

Long-range ferromagnetic order in epitaxial films due to the interplay of epitaxial strain and oxygen vacancy ordering

VV Mehta, N Biskup, C Jenkins, E Arenholz, M Varela… - Physical Review B, 2015 - APS
We demonstrate that a combination of electronic structure modification and oxygen vacancy
ordering can stabilize a long-range ferromagnetic ground state in epitaxial LaCoO 3 thin …

Polarons, vacancies, vacancy associations, and defect states in multiferroic

G Geneste, C Paillard, B Dkhil - Physical Review B, 2019 - APS
Oxygen, bismuth, and iron vacancies are studied by density-functional theory calculations in
multiferroic bismuth ferrite in oxidative and reducing external conditions. We accurately …

Strain-driven spin-state transition and superexchange interaction in LaCoO: initio study

H Seo, A Posadas, AA Demkov - Physical Review B—Condensed Matter and …, 2012 - APS
Using spin density functional theory with the Hubbard correction, we investigate the
magnetic structure of strained LaCoO 3. We show that beyond biaxial tensile strain of 2.5 …