Mechanism of solid-state amorphization of Se induced by mechanical milling
Zhao, YH; Zhu, YT; Liu T(刘涛); Liu, T
刊名JOURNAL OF APPLIED PHYSICS
2004
卷号95期号:12页码:7674-7680
学科分类Physics
DOI10.1063/1.1737478
通讯作者Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA ; Chinese Acad Sci, Inst High Energy Phys, Synchrotron Radiat Lab, Beijing 100039, Peoples R China
文章类型Article
英文摘要In this work, the solid-state amorphization process of elemental trigonal Se via mechanical milling was studied. Trigonal Se has a unique crystal structure consisting of helical [-Se-](n) chains with strong intrachain covalent bonds and with weak interchain van der Waals bonds. It was found that the interchain coordination distance increased while the intrachain coordination distance decreased with increasing milling time. The crystalline Se transformed to the amorphous state once the interchain coordination distance reached a critical value. The intrachain coordination distance of amorphous Se continued to decrease with milling time, suggesting that molecular chain length decreased with milling time. Combined with the x-ray absorption near-edge structure calculations, it was concluded that the mechanical milling destroyed the interchain bonds of crystalline Se, resulting in the amorphization, while the intrachain bonds were strengthened during amorphization. The present results support a previous crystallite-destabilization model for solid-state amorphization. (C) 2004 American Institute of Physics.
类目[WOS]Physics, Applied
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000221843400018
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240129
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Zhao, YH,Zhu, YT,Liu T,et al. Mechanism of solid-state amorphization of Se induced by mechanical milling[J]. JOURNAL OF APPLIED PHYSICS,2004,95(12):7674-7680.
APA Zhao, YH,Zhu, YT,刘涛,&Liu, T.(2004).Mechanism of solid-state amorphization of Se induced by mechanical milling.JOURNAL OF APPLIED PHYSICS,95(12),7674-7680.
MLA Zhao, YH,et al."Mechanism of solid-state amorphization of Se induced by mechanical milling".JOURNAL OF APPLIED PHYSICS 95.12(2004):7674-7680.
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