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An investigation of thermal relaxation of a nanocrystalline ferromagnet
Liu T(刘涛); Hu TD(胡天斗); Xie YN(谢亚宁); Liu, T; Hu, TD; Xie, YN; Zhao, ZT; Ma, RZ
1997
发表期刊NANOSTRUCTURED MATERIALS
卷号8期号:7页码:909-918
通讯作者Chinese Acad Sci, Inst High Energy Phys, Lab Synchrotron Radiat, Beijing 100039, Peoples R China ; Univ Sci & Technol Beijing, Dept Mat Phys, Beijing 100083, Peoples R China
摘要The amorphous Fe735Cu1Mo3Si135B9 alloy has been prepared and annealed at 793 K for different times. Mossbauer spectra, X-ray diffraction anal differential thermal analysis (DTA) measurements were employed to investigate the variation of microstructure during the isothermal annealing process. The results indicate that the crystallized fraction, hyperfine field of crystalline and amorphous phases, as well as the grain size are almost independent of the annealing time between 20 min. and 180 min., implying that a structural relaxation of interfaces may occur. The thermal relaxation of interfaces of nanocrystalline structure may be similar to that of amorphous alloys prior Co crystallization and therefore is stable to the isothermal annealing, implying an intrinsic stability of the nanocrystalline structure. The structural relaxation may be related to the arrangement of internal stresses and local defects. In view of this, a relationship with the soft magnetic properties of alloys is discussed. (C) 1998 Acta Metallurgica Inc.
文章类型Article
学科领域Materials Science
DOI10.1016/S0965-9773(98)00014-2
研究领域[WOS]Materials Science
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语种英语
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000072270100014
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238721
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Liu T,Hu TD,Xie YN,et al. An investigation of thermal relaxation of a nanocrystalline ferromagnet[J]. NANOSTRUCTURED MATERIALS,1997,8(7):909-918.
APA 刘涛.,胡天斗.,谢亚宁.,Liu, T.,Hu, TD.,...&Ma, RZ.(1997).An investigation of thermal relaxation of a nanocrystalline ferromagnet.NANOSTRUCTURED MATERIALS,8(7),909-918.
MLA 刘涛,et al."An investigation of thermal relaxation of a nanocrystalline ferromagnet".NANOSTRUCTURED MATERIALS 8.7(1997):909-918.
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