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Spin-orbit-lattice coupling and magnetostriction of strained La0.7Ca0.3MnO3 films

Title
Spin-orbit-lattice coupling and magnetostriction of strained La0.7Ca0.3MnO3 films
Authors
Song, JHPark, JHKim, JYPark, BGJeong, YHNoh, HJOh, SJLin, HJChen, CT
POSTECH Authors
Park, JHJeong, YH
Date Issued
Jan-2005
Publisher
AMERICAN PHYSICAL SOC
Abstract
We investigated correlation of orbital and magnetic anisotropies in strained ferromagnetic La0.7Ca0.3MnO3 films epitaxially grown on different substrates, using the magnetic circular dichroism at Mn L-2,L-3 absorption edges. The obtained in-plane and out-of-plane orbital moments explain consistently the magnetic anisotropy varying with the substrate, even though the moments are very small with values much less than 0.1 mu(B)/Mn. The results quantify the magnetostriction energy and open up the microscopic understanding of the spin-orbit-lattice coupling.
URI
http://oasis.postech.ac.kr/handle/2014.oak/24418
DOI
10.1103/PHYSREVB.72.
ISSN
1098-0121
Article Type
Article
Citation
PHYSICAL REVIEW B, vol. 72, no. 6, 2005-01
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