Diffusion of aluminum in MgO: A thermodynamic approach study

doi:10.1088/1674-1056/22/5/056601

中国物理B ›› 2013, Vol. 22 ›› Issue (5): 56601-056601.doi: 10.1088/1674-1056/22/5/056601

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

Diffusion of aluminum in MgO: A thermodynamic approach study

张宝华^a, 吴小平^b

a Institute for Study of the Earth's Interior, Okayama University, Misasa, Tottori-ken 682-0193, Japan;
b School of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China

收稿日期:2012-11-16 修回日期:2012-12-28 出版日期:2013-04-01 发布日期:2013-04-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 40874034), the National High Technology Research and Development Program of China (Grant No. 2012AA061403), and the COE-21 Program of the Institute for Study of the Earth's Interior, Okayama University, Japan.

Diffusion of aluminum in MgO: A thermodynamic approach study

Zhang Bao-Hua (张宝华)^a, Wu Xiao-Ping (吴小平)^b

a Institute for Study of the Earth's Interior, Okayama University, Misasa, Tottori-ken 682-0193, Japan;
b School of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China

Received:2012-11-16 Revised:2012-12-28 Online:2013-04-01 Published:2013-04-01
Contact: Zhang Bao-Hua E-mail:zhangbh@cc.okayama-u.ac.jp
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 40874034), the National High Technology Research and Development Program of China (Grant No. 2012AA061403), and the COE-21 Program of the Institute for Study of the Earth's Interior, Okayama University, Japan.

摘要/Abstract

摘要： We have applied a thermodynamical model to calculate the diffusion coefficient of aluminum in MgO with the aid of bulk elastic properties. Our calculated diffusivities as a function of temperature and pressure are compared with the existing results derived from the experimental or theoretical investigations. We find that the present model provides a satisfactory estimation for the activation volume and the activation enthalpy.

关键词: MgO, diffusion, aluminum, cBΩ model

Abstract: We have applied a thermodynamical model to calculate the diffusion coefficient of aluminum in MgO with the aid of bulk elastic properties. Our calculated diffusivities as a function of temperature and pressure are compared with the existing results derived from the experimental or theoretical investigations. We find that the present model provides a satisfactory estimation for the activation volume and the activation enthalpy.

Key words: MgO, diffusion, aluminum, cBΩ model

中图分类号: (Diffusion of impurities ?)

66.30.J-

64.30.Jk (Equations of state of nonmetals) 91.60.Dc (Plasticity, diffusion, and creep)

张宝华, 吴小平. Diffusion of aluminum in MgO: A thermodynamic approach study[J]. 中国物理B, 2013, 22(5): 56601-056601.

Zhang Bao-Hua (张宝华), Wu Xiao-Ping (吴小平). Diffusion of aluminum in MgO: A thermodynamic approach study[J]. Chin. Phys. B, 2013, 22(5): 56601-056601.

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Diffusion of aluminum in MgO: A thermodynamic approach study

Diffusion of aluminum in MgO: A thermodynamic approach study

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