Reversible strain effect on the magnetization of LaCoO3 films

Details Reversible strain effect on the magnetization of LaCoO3 films Reversible strain effect on the magnetization of LaCoO3 films

2008-05-07

arxiv.org/abs/0805.0991v1

Phys. Rev. B 79, 092409 (2009)

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevB.79.092409

The magnetization of ferromagnetic LaCoO3 films grown epitaxially on piezoelectric substrates has been found to systematically decrease with the reduction of tensile strain. The magnetization change induced by the reversible strain variation reveals an increase of the Co magnetic moment with tensile strain. The biaxial strain dependence of the Curie temperature is estimated to be below 4K/% in the as-grown tensile strain state of our films. This is in agreement with results from statically strained films on various substrates.

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