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Fabrication of nanocrystalline SnO2 using electron stimulated oxidation
C. F. Li; Z. Q. Liu
2013
Source PublicationNanotechnology
ISSN0957-4484
Volume24Issue:20
AbstractFabrication of nanocrystalline SnO2 using electron stimulated oxidation was investigated by in situ transmission electron microscopy. SnO2 nanocrystals ranging from several to dozens of nanometers were transformed from single crystalline tin under 200 keV electron irradiation. This process includes crystallization of the surface amorphous SnO2 layer and oxidation of the inner tin crystal substrate. On stimulation by electron irradiation, newly formed SnO2 is supposed to act as a catalyst to oxidize the tin atoms underneath with lattice oxygen, and then be re-oxidized by absorbed oxygen from the residual gas of the microscope. This provides a new method to fabricate nanocrystalline SnO2 materials and structures.
description.department[li, c. f. ; liu, z. q.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; li, cf (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zqliu@imr.ac.cn
KeywordGas Sensors Tin Oxide Microscopy Growth Size Nanoparticles Sensitivity Irradiation Mechanism Surface
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71306
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
C. F. Li,Z. Q. Liu. Fabrication of nanocrystalline SnO2 using electron stimulated oxidation[J]. Nanotechnology,2013,24(20).
APA C. F. Li,&Z. Q. Liu.(2013).Fabrication of nanocrystalline SnO2 using electron stimulated oxidation.Nanotechnology,24(20).
MLA C. F. Li,et al."Fabrication of nanocrystalline SnO2 using electron stimulated oxidation".Nanotechnology 24.20(2013).
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