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| SPONTANEOUS MAGNETIZATION OF FERROMAGNET |
| WANG Yongzhong;ZHANG Zhidong;ZENG Dechang;YANG Zongquan;TANG Hong;QIAO Guiwen (Institute of Metal Research; Chinese Academy of Sciences;Shenyang 110015) |
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Cite this article:
WANG Yongzhong;ZHANG Zhidong;ZENG Dechang;YANG Zongquan;TANG Hong;QIAO Guiwen (Institute of Metal Research; Chinese Academy of Sciences;Shenyang 110015). SPONTANEOUS MAGNETIZATION OF FERROMAGNET. Acta Metall Sin, 1997, 33(9): 981-986.
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Abstract By introducing disordering energy Ed, an effective molecular field coefficient λ(T)as a function of thermal energy, the exchange interaction energy and disordering energy is proposed to intefpret spontaneous magnetization of ferromagnetic materials. Usingλ(T),the relationships betweem Tc, θp, and Ed / k and the relationships of (ρ/X)-T and (Ms,/M0)-(T/Tc)were derived. The results show that the curves of (ρ/X)-T and (Ms /M0)-(T/Tc)fit the experimental curves of Ni very well.
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Received: 18 September 1997
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