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Study of dimension dependent diffusion coefficient of titanium dioxide nanoparticles
Mishra, Shree; Gupta, Sanjeev K.; Jha, Prafulla K.; Pratap, Arun; Jha, PK , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
2010
发表期刊MATERIALS CHEMISTRY AND PHYSICS
ISSN0254-0584
卷号123期号:40942页码:791-794
摘要In the present paper, we have studied size and dimension effect on diffusion coefficient of nitrogen and platinum doped TiO(2) nanoparticle using Arrhenius relation and Lindeman's criteria under their dynamic limit. The activation energy and melting point decreases with decrease in size. The TiO2 diffused with metal and nonmetal gives rise to (meta-) stable structure and mid-gap state helps to increase surface to volume ratio and quantum confinement effects, and results in the increase of diffusion coefficient. The calculated diffusion coefficient of undiffused TiO(2) with size is in good agreement with available experimental data. (C) 2010 Elsevier B.V. All rights reserved.
部门归属[Mishra, S; Gupta, SK; Jha, PK] Bhavnagar Univ, Dept Phys, Bhavnagar 364022, Gujarat, India; [Mishra, S] Tolani FG Polytech, Adipur 370205, India; [Pratap, A] Maharaja Sayajirao Univ Baroda, Fac Engn & Technol, Dept Appl Phys, Vadodara 390001, India
关键词Nanocrystalline Materials Melting Temperature Size Shape Tio2 Stability Sensor
学科领域Physics
资助者Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi
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收录类别SCI
资助者Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi ; Department of Science and Technology, New Delhi; University Grants Commission, New Delhi
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5044
专题理论物理所SCI论文
通讯作者Jha, PK , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
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GB/T 7714
Mishra, Shree,Gupta, Sanjeev K.,Jha, Prafulla K.,et al. Study of dimension dependent diffusion coefficient of titanium dioxide nanoparticles[J]. MATERIALS CHEMISTRY AND PHYSICS,2010,123(40942):791-794.
APA Mishra, Shree,Gupta, Sanjeev K.,Jha, Prafulla K.,Pratap, Arun,&Jha, PK , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.(2010).Study of dimension dependent diffusion coefficient of titanium dioxide nanoparticles.MATERIALS CHEMISTRY AND PHYSICS,123(40942),791-794.
MLA Mishra, Shree,et al."Study of dimension dependent diffusion coefficient of titanium dioxide nanoparticles".MATERIALS CHEMISTRY AND PHYSICS 123.40942(2010):791-794.
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