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Effect of non-magnetic ion substitution on the magnetoelastic properties of CoFe2O4 films (2014)

S. F. Rus, P. Vlazan and A. Herklotz

American Institute of Physics (AIP)

In: Journal of Applied Physics

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Publication Date: 2014-07-03

Description: We report on the structural and magnetic properties of CoFe 1.9 Zr 0.1 O 4 films under epitaxial strain. The films are grown with high structural quality on MgO, SrTiO 3 , and piezoelectric Pb(Mg 1∕3 Nb 2∕3 ) 0.72 Ti 0.28 O 3 substrates by pulsed laser deposition. The substrate-induced strain is found effective to alter the magnetic anisotropy of the films. Reversible strain measurements using the piezoelectric substrates are providing evidence that nearly bulk-like magnetoelastic properties are maintained for films of down to at least 25 nm thickness. This is in contrast to unsubstituted cobalt ferrite films and suggests that a chemical control of the spinel lattice provides a promising route to optimize the tunability of the magnetic properties of thin ferrite films.

Print ISSN: 0021-8979

Electronic ISSN: 1089-7550

Topics: Physics

Published by American Institute of Physics (AIP)

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