Copper diffusion in germanium: connecting point defect parameters with bulk properties

被引：0
|
作者：
A. Chroneos
Y. Panayiotatos
R. V. Vovk
机构：
[1] Imperial College London,Department of Materials
[2] Coventry University,Faculty of Engineering and Computing
[3] TEI of Piraeus,Department of Mechanical Engineering
[4] V. Karazin Kharkiv National University,Physics Department
来源：
Journal of Materials Science: Materials in Electronics | 2015年 / 26卷
关键词：
Isothermal Bulk Modulus; Metal Diffusion; Interstitial Diffusion; Copper Diffusion; Metal Induce Lateral Crystallisation;
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摘要：
Copper diffusion in germanium is fundamentally and technologically important as it has a very low activation energy and influences the precipitation and gettering of copper respectively. These constitute the understanding of copper’s diffusion properties in germanium over a range of temperatures and pressures important. In the present study we use the cBΩ model in which the defect Gibbs energy is proportional to the isothermal bulk modulus (B) and the mean volume per atom (Ω). The elastic and expansivity data is used in the description of the cBΩ model to derive the copper interstitial diffusion coefficient in germanium in the temperature range 827–1,176 K. The calculated results are discussed in view of the available experimental data.
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页码：2693 / 2696
页数：3
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