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First-Principles Calculations of Spinodal Ordering Temperature and Diffuse Intensity Scattering Spectrum for Fe-Pt System

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タイトル: First-Principles Calculations of Spinodal Ordering Temperature and Diffuse Intensity Scattering Spectrum for Fe-Pt System
著者: Mohri, Tetsuo 著作を一覧する
キーワード: correlation function
Fe-Pt system
first-principles calculation
instrinsic stability
phase diagram
発行日: 2011年12月
出版者: ASM International
誌名: Journal of Phase Equilibria and Diffusion
巻: 32
号: 6
開始ページ: 537
終了ページ: 542
出版社 DOI: 10.1007/s11669-011-9962-2
抄録: First-principles calculations are performed to derive a L1_[0]-disorder phase diagram, spinodal ordering temperature and short-range-order diffuse-intensity spectrum for the Fe-Pt system. L1_[0]-disorder transition is confirmed to be of the first order by both the temperature dependence of the long-range-order parameter and the large separation between the transition temperature and spinodal ordering temperature. Short-range-order diffuse-intensity maximum appears at <100> which is intensified as the spinodal-ordering temperature is approached. The consistency among all these results supports the reliability of the description of the cluster variation free energy used for this study.
Rights: Copyright 2011 ASM International. This paper was published in Journal of Phase Equilibria and Diffusion, Vol. 32, No. 6, pp. 537-542 and is made available as an electronic reprint with the permission of ASM International. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplications of any material in this paper for a fee or for commercial purposes, or modification of the content of this paper are prohibited.
Relation (URI): http://www.asminternational.org/portal/site/www/store/journals/jped/
資料タイプ: article
URI: http://hdl.handle.net/2115/48152
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 毛利 哲夫

 

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