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Ferroelectricity from Electron Ordering

Published online by Cambridge University Press:  26 February 2011

Naoahi Ikeda ,
Shigeo Mori ,
Kenji Yoshii  and
Yoji Matsuo
Naoahi Ikeda
Affiliation:
ikedan@science.okayama-u.ac.jp, Okayama University, Physics, 3-1-1 tsushimanaka, Okayama, 700-8530, Japan, +81-86-251-7810, +81-86-251-7810
Shigeo Mori
Affiliation:
smori@p.s.osakafu-u.ac.jp, Osaka Prefecture University, Department of Physics, 1-1 Gakuen-cho, Sakai, 599-8531, Japan
Kenji Yoshii
Affiliation:
yoshiike@spring8.or.jp, Japan Atomic Energy Research Institute, Synchrotron Radiation Research Center, Sayo, Sayo, 679-5148, Japan
Yoji Matsuo
Affiliation:
s_ymatsuo@p.s.osakafu-u.ac.jp, Osaka Prefecture University, Department of Physics, 1-1 Gakuen-cho, Sakai, Osaka, Sakai, Osaka, 599-8531, Japan
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Abstract

We report ferroelectricity in triangular mixed valence material RFe2O4 (R=Y, Dy, Ho, Er, Tm, Yb, Lu). This ferroelectricity originates from the polar ordering of Fe3+ and Fe2+ or the polar ordering of electrons on Fe3+.

Keywords

ferroelectricityelectronic materialdielectric properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 966: Symposium T – Ferroelectrics and Multiferroics , 2006 , 0966-T01-03
Copyright
Copyright © Materials Research Society 2007

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References

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