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

912 citations

Showing 2012 · cond-mat.mtrl-sciShow all

6 papers · 2 filters

cond-mat.mtrl-sci2012★ 57 cited

Epitaxial growth of (111)-oriented LaAlO/LaNiO ultra-thin superlattices

S. Middey, D. Meyers, M. Kareev +5

The epitaxial stabilization of a single layer or superlattice structures composed of complex oxide materials on polar (111) surfaces is severely burdened by reconstructions at the…

cond-mat.mtrl-sci2012★ 62 cited

Study of strain effect on in-plane polarization in epitaxial BiFeO3 thin films using planar electrodes

Zuhuang Chen, Xi Zou, Wei Ren +8

Epitaxial strain plays an important role in determining physical properties of perovskite ferroelectric oxide thin films. However, it is very challenging to directly measure proper…

cond-mat.mtrl-sci2012★ 71 cited

Thickness-dependent polarization of strained BiFeO3 films with constant tetragonality

J. E. Rault, W. Ren, S. Prosandeev +7

We measure the remnant polarization of ferroelectric domains in BiFeO3 films down to 3.6 nm using low energy electron and photoelectron emission microscopy. The measured polarizati…

cond-mat.mtrl-sci2012★ 186 cited

Finite-Temperature Properties of Ba(Zr,Ti)O Relaxors From First Principles

A. R. Akbarzadeh, S. Prosandeev, Eric J. Walter +2

A first-principles-based technique is developed to investigate properties of Ba(Zr,Ti)O relaxor ferroelectrics as a function of temperature. The use of this scheme provides ans…

cond-mat.mtrl-sci2012★ 21 cited

Giant direct magnetoelectric effect in strained multiferroic heterostructures

Pierre-Eymeric Janolin, Nikolay A. Pertsev, David Sichuga +1

The direct magnetoelectric (ME) effect mediated by lattice strains induced in a ferroelectric film by a ferromagnetic substrate is evaluated using first-principles-based calculatio…

cond-mat.mtrl-sci2012★ 8 cited

High-Temperature Phonon Spectra of Multiferroic BiFeO3 from Inelastic Neutron Spectroscopy

M. Zbiri, H. Schober, N. Choudhury +5

We report inelastic neutron scattering measurements of the phonon spectra in a pure powder sample of the multiferroic material BiFeO3. A high-temperature range was covered to unrav…