Positron and Positronium Diffusion in Nanomaterials

被引：5

作者：

Varisov, A. Z. ^{[1
]}

Grafutin, V. I. ^{[2
]}

Zaluzhnyi, A. G. ^{[2
]}

Ilyukhina, O. V. ^{[2
]}

Myasishcheva, G. G. ^{[2
]}

Prokop'ev, E. P. ^{[1
,2
]}

Timoshenkov, S. P. ^{[1
]}

Funtikov, Yu. V. ^{[2
]}

机构：

[1] Moscow State Inst Elect Engn MIEE, Moscow, Russia

[2] FSUM SRC RF Alikhanov Inst Theoret & Expt Phys, Moscow, Russia

来源：

JOURNAL OF SURFACE INVESTIGATION | 2008年 / 2卷 / 06期

关键词：

D O I：

10.1134/S1027451008060232

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Some problems of positron (positronium) diffusion in powder nanoparticles of solid and nanoparticles of nanomaterials (index g) separated by voids in the case of powders and by interfaces, vacancies, and empty volumes at grain junctions of a nanomaterial (index v) have been considered. It has been shown that the validity of the diffusion approach to describe positron and positronium transformation and the conclusions of diffusion theory can be checked by varying the particle sizes of nanopowder and solid nanomaterials, and the diffusion coefficients D can be rather simply determined.

引用

页码：959 / 965

页数：7

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