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Electrostriction at the LaAlO3/SrTiO3 Interface

Fontaine, D.
Leake, S.
Pauli, S.
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Published in Physical review letters. 2011, vol. 107, no. 5, 056102
Abstract We present a direct comparison between experimental data and ab-initio calculations for the electrostrictive effect in the polar LaAlO3 layer grown on SrTiO3 substrates. From the structural data, a complete screening of the LaAlO3 dipole field is observed for film thicknesses between 6 and 20 uc. For thinner films, an expansion of the c axis of 2% matching the theoretical predictions for an electrostrictive effect is observed experimentally.
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Research group Groupe Triscone
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CANCELLIERI, Claudia et al. Electrostriction at the LaAlO3/SrTiO3 Interface. In: Physical Review Letters, 2011, vol. 107, n° 5, p. 056102. doi: 10.1103/PhysRevLett.107.056102 https://archive-ouverte.unige.ch/unige:23533

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Deposited on : 2012-10-24

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