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Mishra, Shree; Gupta, Sanjeev K.; Jha, Prafulla K.; Pratap, Arun; Jha, PK , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
Study of dimension dependent diffusion coefficient of titanium dioxide nanoparticles
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
KeywordNanocrystalline Materials Melting Temperature Size Shape Tio2 Stability Sensor
AbstractIn 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.
2010
ISSN0254-0584
Volume123Issue:40942Pages:791-794
Subject AreaPhysics
Indexed BySCI
Funding OrganizationDepartment 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
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5044
Collection理论物理所科研产出_SCI论文
Corresponding AuthorJha, PK , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
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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