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BiFeO3 epitaxial thin films and devices: past, present and future
D Sando, A Barthélémy, M Bibes - Journal of Physics …, 2014 - iopscience.iop.org
The celebrated renaissance of the multiferroics family over the past ten years has also been
that of its most paradigmatic member, bismuth ferrite (BiFeO 3). Known since the 1960s to be …
that of its most paradigmatic member, bismuth ferrite (BiFeO 3). Known since the 1960s to be …
Modeling of ferroelectric oxide perovskites: From first to second principles
P Ghosez, J Junquera - Annual Review of Condensed Matter …, 2022 - annualreviews.org
Taking a historical perspective, we provide a brief overview of the first-principles modeling of
ferroelectric perovskite oxides over the past 30 years. We emphasize how the work done by …
ferroelectric perovskite oxides over the past 30 years. We emphasize how the work done by …
Tunable and parabolic piezoelectricity in hafnia under epitaxial strain
H Cheng, P Jiao, J Wang, M Qing, Y Deng… - Nature …, 2024 - nature.com
Piezoelectrics are a class of functional materials that have been extensively used for
application in modern electro-mechanical and mechatronics technologies. The sign of …
application in modern electro-mechanical and mechatronics technologies. The sign of …
Dzyaloshinskii–Moriya-like interaction in ferroelectrics and antiferroelectrics
HJ Zhao, P Chen, S Prosandeev, S Artyukhin… - Nature Materials, 2021 - nature.com
Abstract The Dzyaloshinskii–Moriya interaction (DMI) between two magnetic moments mi
and mj is of the form D ij⋅(mi× mj). It originates from spin–orbit coupling, and is at the heart …
and mj is of the form D ij⋅(mi× mj). It originates from spin–orbit coupling, and is at the heart …
Strain induced enhancement of perpendicular magnetic anisotropy in Co/graphene and Co/BN heterostructures
Perpendicular magnetic tunnel junctions in the next-generation magnetic memory using
current induced magnetization switching will likely rely on a material design that can …
current induced magnetization switching will likely rely on a material design that can …
Controllable chemical composition in double-perovskite Bi0. 5Sm0. 5FeO3 epitaxial thin films for ferroelectric, photovoltaic, and ferromagnetic properties
J Tu, J Ding, G **, H Li, Q Yang, J Tian… - Chemical Engineering …, 2023 - Elsevier
The oxide double-perovskite thin films are promising multifunctional materials due to the
coupled ferroic order parameters. However, the centrosymmetry of crystal structure limits its …
coupled ferroic order parameters. However, the centrosymmetry of crystal structure limits its …
Frustrated dipole order induces noncollinear proper ferrielectricity in two dimensions
Within Landau theory, magnetism and polarity are homotopic, displaying a one-to-one
correspondence between most physical characteristics. However, despite widely reported …
correspondence between most physical characteristics. However, despite widely reported …
Unexpected Competition between Ferroelectricity and Rashba Effects in Epitaxially Strained
J Varignon - Physical Review Letters, 2024 - APS
The Rashba parameter α R is usually assumed to scale linearly with the amplitude of polar
displacements by construction of the spin-orbit interaction. On the basis of first-principles …
displacements by construction of the spin-orbit interaction. On the basis of first-principles …
Lone-pair activated ferroelectricity and stable charged domain wall in Bi monolayer
S Zhong, X Zhang, J Gou, L Chen, SH Wei… - Nature …, 2024 - nature.com
Ferroelectricity has been predicted in two-dimensional Group-Va elemental materials and
confirmed in high-quality Bi monolayers by a recent experiment. The origin of such …
confirmed in high-quality Bi monolayers by a recent experiment. The origin of such …
Origins versus fingerprints of the Jahn-Teller effect in -electron perovskites
J Varignon, M Bibes, A Zunger - Physical Review Research, 2019 - APS
The Jahn-Teller distortion that can remove electronic degeneracies in partially occupied
states and results in systematic atomic displacements is a common underlying feature to …
states and results in systematic atomic displacements is a common underlying feature to …