Non-linear model of impurity diffusion in nanoporous materials upon ultrasonic treatment

被引：12

作者：

Peleshchak, R. M. ^{[1
]}

Kuzyk, O. V. ^{[1
]}

Dan'kiv, O. O. ^{[1
]}

机构：

[1] Drohobych Ivan Franko State Pedag Univ, UA-82100 Drogobych, Ukraine

来源：

CONDENSED MATTER PHYSICS | 2014年 / 17卷 / 02期

关键词：

diffusion coefficient; ultrasound; vacancy; pore; SILICON;

D O I：

10.5488/CMP.17.23601

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Non-linear theory of diffusion of impurities in porous materials upon ultrasonic treatment is described. It is shown that at a defined value of deformation amplitude, an average concentration of vacancies and temperature as a result of the effect of ultrasound possibly leads to the formation of nanoclusters of vacancies and to their periodic educations in porous materials. It is shown that at a temperature smaller than some critical value, a significant growth of a diffusion coefficient is observed in porous materials.

引用

页数：8

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