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Ferroelectric and Structural Antiphase Domains in Hexagonal RMnO3

Published online by Cambridge University Press:  29 February 2012

K. Kobayashi ,
T. Koyama ,
Y. Horibe ,
T. Katsufuji ,
S-W. Cheong  and
S. Mori
K. Kobayashi
Affiliation:
Department of Materials Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
T. Koyama
Affiliation:
Department of Materials Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
Y. Horibe
Affiliation:
Department of Physics and Astronomy, Rutgers University, Piscataway, NJ, 08854, USA
T. Katsufuji
Affiliation:
Department of Physics, Waseda University, Tokyo 169-8555, Japan
S-W. Cheong
Affiliation:
Department of Physics and Astronomy, Rutgers University, Piscataway, NJ, 08854, USA
S. Mori*
Affiliation:
Department of Materials Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
*
*[email protected]
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Abstract

We have investigated characteristic ferroelectric and structural antiphase domain structures in single crystals of hexagonal RMnO3 (R=Y, Ho, Lu, and Yb) by obtaining various electron diffraction patterns, dark-filed images and high-resolution lattice images. In the ferroelectric phase of RMnO3 characteristic domain structures consisting of six ferroelectric and structural antiphase domains, which can be identified as the “cloverleaf” pattern, is found in the (110) plane, in addition to the (001) plane, and are inherent to the ferroelectric phase of hexagonal RMnO3. In domain configuration with the cloverleaf pattern in the (110) plane, the structural antiphase boundaries are inclined to be parallel to the [001] direction.

Keywords

ferroelectricityinsulatorMn
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1397: Symposium P – Ferroelectric and Multiferroic Materials , 2012 , mrsf11-1397-p04-26
Copyright
Copyright © Materials Research Society 2012

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References

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