Pressure-induced weak ferromagnetism in uranium dioxide, UO2

H. Sakai; H. Kato; Y. Tokunaga; S. Kambe; R. E. Walstedt; A. Nakamura; N. Tateiwa; T. C. Kobayashi

doi:10.1088/0953-8984/15/28/321

Pressure-induced weak ferromagnetism in uranium dioxide, UO₂

H. Sakai, H. Kato, Y. Tokunaga, S. Kambe, R. E. Walstedt, A. Nakamura, N. Tateiwa, T. C. Kobayashi

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Abstract

The dc magnetization of insulating UO₂ under high pressure up to ∼1 GPa has been measured using a piston-cylinder cell. Pressure-induced weak ferromagnetism appeared at low pressure (∼0.2 GPa). Both the remanent magnetization and the coercive force increase as pressure increases. This weak ferromagnetism may come from spin canting or from uncompensated moments around grain boundaries.

Original language	English
Pages (from-to)	S2035-S2037
Journal	Journal of Physics Condensed Matter
Volume	15
Issue number	28
DOIs	https://doi.org/10.1088/0953-8984/15/28/321
Publication status	Published - Jul 23 2003

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ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

Cite this

Sakai, H., Kato, H., Tokunaga, Y., Kambe, S., Walstedt, R. E., Nakamura, A., Tateiwa, N., & Kobayashi, T. C. (2003). Pressure-induced weak ferromagnetism in uranium dioxide, UO₂. Journal of Physics Condensed Matter, 15(28), S2035-S2037. https://doi.org/10.1088/0953-8984/15/28/321

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AU - Kato, H.

AU - Tokunaga, Y.

AU - Kambe, S.

AU - Walstedt, R. E.

AU - Nakamura, A.

AU - Tateiwa, N.

AU - Kobayashi, T. C.

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10.1088/0953-8984/15/28/321