Reference : Incipient ferroelectricity in 2.3% tensile-strained CaMnO3 films
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/126777
Incipient ferroelectricity in 2.3% tensile-strained CaMnO3 films
English
Günter, T. [> >]
Bousquet, Eric mailto [Université de Liège - ULg > Département de physique > Physique théorique des matériaux >]
David, A. [> >]
Boullay, Ph. [> >]
Ghosez, Philippe mailto [Université de Liège - ULg > Département de physique > Physique théorique des matériaux >]
Prellier, W. [> >]
Fiebig, M. [> >]
2012
Physical Review. B, Condensed Matter and Materials Physics
American Physical Society
85
214120
Yes (verified by ORBi)
International
1098-0121
1550-235X
Woodbury
NY
[en] Epitaxial CaMnO3 films grown with 2.3% tensile strain on (001)-oriented LaAlO3 substrates are found to be incipiently ferroelectric below 25 K. Optical second harmonic generation (SHG) was used for the detection of the incipient polarization. The SHG analysis reveals that CaMnO3 crystallites with in-plane orientation of the orthorhombic b axis contribute to an electric polarization oriented along the orthorhombic a (respectively c) axis in agreement with the predictions from density functional calculations.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/126777
10.1103/PhysRevB.85.214120

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