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Magnetic Anisotropy and Lattice Distortions in The Doped Perovskite Manganites

Published online by Cambridge University Press:  10 February 2011

Y. Suzuki
Affiliation:
Dcpt. Materials Science and Engineering, Cornell University, Ithaca, NY 14853
H. Y. Hwang
Affiliation:
Bell Labs, Lucent Technologies, 600 Mountain Ave., Murray Hill, NJ 07974
S-W. Cheong
Affiliation:
Bell Labs, Lucent Technologies, 600 Mountain Ave., Murray Hill, NJ 07974
R. B. Van Dover
Affiliation:
Bell Labs, Lucent Technologies, 600 Mountain Ave., Murray Hill, NJ 07974
A. Asamitsu
Affiliation:
Joint Research Center for Atom Technology, Tsukuba 305, Japan
Y. Tokura
Affiliation:
Joint Research Center for Atom Technology, Tsukuba 305, Japan Dept. of Applied Physics, University of Tokyo, Tokyo, Japan
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Abstract

We have investigated the magnetic anisotropies of doped manganite materials in epitaxial thin film and single crystal form. Structural characterization, including x-ray diffraction, Rudierford backscattering spectroscopy and atomic force misocroscopy, indicate that our epitaxial films arc single crystalline and have excellent crystallinity. Since lattice distortions greatly affect the magnetic and transport properties of this family of materials, it is not surprising to find the profound effect of strain in films due to the lattice mismatch between the substrate and film. Magnetic anisotropy results of single crystals, subject to no external stress, is compared to those of epitaxial films.

Type
Research Article
Copyright
Copyright © Materials Research Society 1998

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References

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