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Magneto-Optical Kerr Effect in Multiferroic Nanostructures

Published online by Cambridge University Press:  26 February 2011

Matthew T. Corbo
Affiliation:
matthew.corbo@asml.com, University of California, Berkeley, Materials Science & Engineering Dept., 190 Hearst Memorial Mining Bldg., Berkeley, CA, 94720, United States, 925-324-7330
Florian Straub
Affiliation:
florian_straub@berkeley.edu, University of California, Berkeley, Materials Science & Engineering, Berkeley, CA, 94720, United States
Haimei Zheng
Affiliation:
haimei@berkeley.edu, University of California, Berkeley, Materials Science & Engineering, Berkeley, CA, 94720, United States
Maria de la Paz Cruz
Affiliation:
mcruz@ccmc.unam.mx, University of California, Berkeley, Materials Science & Engineering, Berkeley, CA, 94720, United States
Yuri Suzuki
Affiliation:
ysuzuki@berkeley.edu, University of California, Berkeley, Materials Science & Engineering, Berkeley, CA, 94720, United States
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Abstract

We report the study of the magneto-optical properties of composite multiferroic thin films composed of CoFe2O4 nanopillars embedded in a BiFeO3 matrix. The magneto-optical Kerr rotation and Kerr ellipticity in these films have been measured and are in good agreement with magnetization measurements. The Kerr signal has been studied as a function of film composition and nanopillar diameter confirming that the magneto-optical signal is due solely to the CoFe2O4 nanopillars.

Type
Research Article
Copyright
Copyright © Materials Research Society 2007

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