593 citations
- Centre National de la Recherche ScientifiqueFR55 papers
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- University of Arkansas at FayettevilleUS14 papers
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- European Synchrotron Radiation FacilityFR8 papers
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5 papers · 2 filters
Low-temperature anharmonicity of barium titanate: a path-integral molecular dynamics study
Gregory Geneste, Hichem Dammak, Marc Hayoun +1
We investigate the influence of quantum effects on the dielectric and piezoelectric properties of barium titanate in its (low-temperature) rhombohedral phase, and show the strongly…
Synthesis dependent characteristics of Sr1-xMnxTiO3 (x=0.03, 0.05, 0.07 and 0.09)
K. R. S. Preethi Meher, C. Bogicevic, Pierre-Eymeric Janolin +1
Sr1-xMnxTiO3 (where x = 0.03, 0.05, 0.07 and 0.09) was synthesized via different routes that include solid-state, oxalate precipitation and freeze drying. In oxalate precipitation…
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…
Magnetodielectric coupling and phonon properties of compressively strained EuTiO3 thin films deposited on LSAT
S. Kamba, V. Goian, M. Orlita +13
Compressively strained epitaxial (001) EuTiO3 thin films of tetragonal symmetry have been deposited on (001) (LaAlO3)_0.29-(SrAl_{1/2}Ta_{1/2}O3)_0.71 (LSAT) substrates by reactive…
Surface phase transitions in BiFeO3 below room temperature
R. Jarrier, X. Marti, J. Herrero-Albillos +15
We combine a wide variety of experimental techniques to analyze two heretofore mysterious phase transitions in multiferroic bismuth ferrite at low temperature. Raman spectroscopy,…