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In situ tracking the reversible spinel-rocksalt structural transformation between Mn3O4 and MnO
San, Xingyuan; Zhang, Bo; Wang, Jing; Wu, Bo; Ma, Xiuliang; Zhang, B (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Wenhua Rd 72, Shenyang 110016, Peoples R China.
2017
发表期刊MICRON
ISSN0968-4328
卷号92页码:13-18
摘要Electron beam irradiation is well known to induce damage in materials. The structural transformation involved in the damage is usually believed to be an irreversible solid state chemical reaction. Here we use in situ transmission electron microscopy (TEM) combined electron-energy loss spectroscopy (EELS) technique in an aberration-corrected TEM to track the structural transformation in spinel Mn3O4 induced by electron beam irradiation. It is clarified that spinel Mn3O4 is transformed to rocksalt structured MnO by irradiation and the reversed recovering transition from rocksalt MnO to spinel Mn3O4 can occur by aging in the gentle electron beam circumstance. The mechanisms including the role of O desorption/adsorption and the displacement of Mn and O involved in the reversible transformation processes are discussed. The work presents an implication that electron beam can modify the structure at atomic dimension yielding diverse assemblies of surfaces, interfaces and colorful properties. (C) 2016 Elsevier Ltd. All rights reserved.; Electron beam irradiation is well known to induce damage in materials. The structural transformation involved in the damage is usually believed to be an irreversible solid state chemical reaction. Here we use in situ transmission electron microscopy (TEM) combined electron-energy loss spectroscopy (EELS) technique in an aberration-corrected TEM to track the structural transformation in spinel Mn3O4 induced by electron beam irradiation. It is clarified that spinel Mn3O4 is transformed to rocksalt structured MnO by irradiation and the reversed recovering transition from rocksalt MnO to spinel Mn3O4 can occur by aging in the gentle electron beam circumstance. The mechanisms including the role of O desorption/adsorption and the displacement of Mn and O involved in the reversible transformation processes are discussed. The work presents an implication that electron beam can modify the structure at atomic dimension yielding diverse assemblies of surfaces, interfaces and colorful properties. (C) 2016 Elsevier Ltd. All rights reserved.
部门归属[san, xingyuan ; zhang, bo ; wang, jing ; wu, bo ; ma, xiuliang] chinese acad sci, inst met res, shenyang natl lab mat sci, wenhua rd 72, shenyang 110016, peoples r china
关键词In-situ Transmission Electron Microscopy Mn3o4 Reversible Transformation Beam Irradiation
学科领域Microscopy
资助者National Natural Science Foundation of China [51101157]; Innovation Fund in IMR [SCJJ-2013-PY-09]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78382
专题中国科学院金属研究所
通讯作者Zhang, B (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Wenhua Rd 72, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
San, Xingyuan,Zhang, Bo,Wang, Jing,et al. In situ tracking the reversible spinel-rocksalt structural transformation between Mn3O4 and MnO[J]. MICRON,2017,92:13-18.
APA San, Xingyuan,Zhang, Bo,Wang, Jing,Wu, Bo,Ma, Xiuliang,&Zhang, B .(2017).In situ tracking the reversible spinel-rocksalt structural transformation between Mn3O4 and MnO.MICRON,92,13-18.
MLA San, Xingyuan,et al."In situ tracking the reversible spinel-rocksalt structural transformation between Mn3O4 and MnO".MICRON 92(2017):13-18.
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