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Theoretical investigation of the spin reorientation transition in epitaxial films of NiO
, Priya Mahadevan, S. Mandal, S. Krishnakumar R., D. Sarma D.
Published in
Volume: 1003
Pages: 28 - 30
We study theoretically the spin reorientation transition in thin epitaxial films of NiO grown on Ag and MgO. Experimentally, the Ni spins point out-of-plane for films grown on the MgO substrate and in-plane for those on the Ag substrate. We successfully explain these opposite trends in the ground state moments for the two cases and simulate the isotropic x-ray absorption spectrum (XAS) for bulk NiO, in good agreement with experiments, on the basis of cluster configuration interaction calculations based on a NiO6 cluster. {\textcopyright} 2008 American Institute of Physics.
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