We report spin reorientation transitions in a heterostructure driven by strain at the structural phase transitions of . These spin reorientations result from the emergence of an in-plane uniaxial magnetic anisotropy. The magnetoelastic response of to the variations in epitaxial strain that occur at the phase transitions gives rise to the uniaxial anisotropy. The anisotropy energies calculated from the in-plane strain are in quantitative agreement with a change in the Zeeman energy.
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.© 2010 American Institute of Physics.
2010
American Institute of Physics
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