Radiation-induced transformation of graphite to diamond

被引：133

作者：

Zaiser, M

Banhart, F

机构：

[1] Max-Planck-Institut für Metallforschung, Stuttgart, D-70569

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.79.3680

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It is demonstrated theoretically that particle irradiation may lead to a destabilization of graphitic structures with respect to low-pressure growth of diamond. This is due to the large difference in the cross sections for irradiation-induced displacements of carbon atoms in diamond and graphite. A nonequilibrium phase diagram is calculated that shows the stability of graphite and diamond as a function of the displacement rate of atoms. The theoretical results are related to the experimentally observed transformation of spherical graphitic onions to diamond under electron irradiation. [S0031-9007(97)04417-7].

引用

页码：3680 / 3683

页数：4

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