Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 320, Issue 3-4, Pages 263-269Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2007.05.040
Keywords
colossal magnetoresistance; AC-susceptibility
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La0.7Ca0.3MnO3 films were grown on SrTiO3 and LaAlO3 substrates using pulsed laser deposition. The films were characterized by magnetization and AC-susceptibility measurements. AC-susceptibility shows the occurrence of a secondary permeability maximum in all films studied. The location of the secondary permeability maximum depends sensitively on the strain state of the film. It is proposed that it arises from an interplay between stress anisotropy and magnetocrystalline anisotropy. (c) 2007 Elsevier B.V. All rights reserved.
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