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Journal Articles

Magnetic anisotropy and spin-glass behavior in single crystalline U$$_2$$PdSi$$_3$$

Li, D. X.*; Kimura, Akihiro*; Haga, Yoshinori; Nimori, Shigeki*; Shikama, Tatsuo*

Journal of Physics; Condensed Matter, 23(7), p.076003_1 - 076003_7, 2011/02

 Times Cited Count:12 Percentile:46.97(Physics, Condensed Matter)

JAEA Reports

Fundamental Research for Utilization of Uranium Compound as the Magnetic Materials

Kimura, Akihiro; Yokoyama, Kaoru*

JNC TN6400 2004-006, 167 Pages, 2004/09

JNC-TN6400-2004-006.pdf:2.47MB

Numerous uranium compounds were synthesized and those physical properties have been measured until now, and it is known that those parts show the ferromagnetism. Moreover, it is reported the part of them also has the strong magnetic anisotropy by contribution of uranium. Since it is the indispensable requirements to have strong magnetic anisotropy for obtaining large coercive force required for a permanent magnet, the uranium compound may have possibility as an outstanding permanent magnet with depending on the combination of uranium and else addition elements. This research estimated the application possibility as permanent magnet materials by observing the magnetism with vibrating magnetization measurement equipment and the magnetic balance by preparing the ferromagnetic uranium compounds. Furthermore, magnetic field press, sintering and so on was carried out for the compounds with this possibility, and those magnetisms were evaluated. Through the above examination, it was cleared that UFe10Si2B0.25 satisfies the requirements as materials of a permanent magnet, and UFe13Si4 may be able to be also used as the materials by addition of boron because coercive force and residual magnetization increase, and so on. However, about the permanent magnets which were made from these materials, no sufficient coercive force and residual magnetization can be shown. It is thought that a processing method and so on will need to be improved.

Journal Articles

Magnetic properties of UFe10Si$$_{2}$$Bx (x = 0.1, 0.25, 0.5, 0.75, 1,1.25, 1.5, 1.75, 2)

Kimura, Akihiro; Yokoyama, Kaoru; Takeda, Shinji; Kodama, Shinichi

Acta Physica Polonica B, 34(2), p.1465 - 1468, 2003/00

None

JAEA Reports

Utilization of actinide as cell active materials; Effective utilization of uranium as battery active material, JAERI's nuclear research promotion program, H10-034-2 (Contract research)

Yamana, Hajimu*; Moriyama, Hirotake*; Asano, Hideki*; Shiokawa, Yoshinobu*; Yamamura, Tomoo*; Hasegawa, Kazuki*; Kimura, Akihiro*; Umekita, Satoshi*

JAERI-Tech 2002-018, 33 Pages, 2002/03

JAERI-Tech-2002-018.pdf:1.95MB

no abstracts in English

Journal Articles

Magnetic Property of Ufe10Si2Bx

Kimura, Akihiro

International Conference on Strongly Correlated, 0 Pages, 2002/00

None

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