Hostname: page-component-77c89778f8-9q27g Total loading time: 0 Render date: 2024-07-16T17:35:35.949Z Has data issue: false hasContentIssue false

Ferroelectricity from Electron Ordering

Published online by Cambridge University Press:  26 February 2011

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
Get access

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+.

Type
Research Article
Copyright
Copyright © Materials Research Society 2007

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Cohen, R. E., J. of Phys. Chem. Solids 61,139 (2000).Google Scholar
2. Kimizuka, N., Muromachi, E. and Siratori, K.: Handbook on the Physics and Chemistry of Rare Earths vol. 13, ed. Gschneidner, K. A. Jr, and Eyring, L. (Elsevier Sci. Press, Amsterdam, 1990), p.283.Google Scholar
3. Yamada, Y., Nohdo, S. and Ikeda, N., J. Phys. Soc. Jpn. 66, 3733 (1997).Google Scholar
4. Ikeda, N., Yamada, Y., Nohdo, S. Inami, T. and Katano, S., Physica B 241–243, 820 (1998).Google Scholar
5. Materlik, G., Sparks, C. J., & Fischer, K., Resonant Anomalous X-Ray Scattering. (North-Holland, Amsterdam, 1994).Google Scholar
6. Murakami, Y., Kawada, H., Kawata, H., Tanaka, M., Arima, T., Moritomo, Y., and Tokura, Y., Phys. Rev. Lett. 80, 1932 (1998).Google Scholar
7. Sasaki, S., Rev. Sci. Instrum. 66, 1573 (1995).Google Scholar
8. Ikeda, N., Kito, H., Akimitsu, J., Kohn, K. and Siratori, K., J. Phys. Soc. Jpn. 63, 4556 (1994).Google Scholar
9. Ikeda, N., Kohn, K., Kito, H., Akimitsu, J. and Siratori, K., J. Phys. Soc. Jpn. 64, 1371 (1995).Google Scholar
10. Takahashi, E., Kohn, K. and Ikeda, N., J. Korean Phys. Soc. 32, S44 (1998).Google Scholar
11. Tanaka, M., Iwasaki, H., Siratori, K. and Shindo, I., J. Phys. Soc. Jpn. 58, 1433 (1989).Google Scholar
12. Ikeda, N., Kohn, K., Myouga, N., Takahashi, E., Kitôh, H. and Takekawa, S., J. Phys. Soc. Jpn. 69, 1526 (2000).Google Scholar
13. Horibe, Y., et al., J. Electron Microsc. 54, i87 (2005).Google Scholar
14. Kakurai, K., private communication.Google Scholar