Physics – Condensed Matter – Materials Science
Scientific paper
2005-12-07
J. Appl. Phys. 99 (2006) 024105
Physics
Condensed Matter
Materials Science
To be published in Journal of Applied Physics
Scientific paper
10.1063/1.2161424
Superlattices composed of ferromagnetics, namely La$_{0.7}$Ca$_{0.3}$MnO$_3$ (LCMO), and ferroelectrics, namely, BaTiO$_3$(BTO) were grown on SrTiO$_3$ at 720$^o$C by pulsed laser deposition process. While the out-of-plane lattice parameters of the superlattices, as extracted from the X-ray diffraction studies, were found to be dependent on the BTO layer thickness, the in-plane lattice parameter is almost constant. The evolution of the strains, their nature, and their distribution in the samples, were examined by the conventional sin$^2\psi $ method. The effects of structural variation on the physical properties, as well as the possible role of the strain on inducing the multiferroism in the superlattices, have also been discussed.
Mechin Laurence
Prellier Wilfrid
Raveau Bernard
Simon Ch.
Singh Mahendra Pratap
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