ION-IRRADIATION EFFECTS ON THE PHONON CORRELATION LENGTH OF GRAPHITE STUDIES BY RAMAN-SPECTROSCOPY

被引：87

作者：

NAKAMURA, K

KITAJIMA, M

机构：

[1] Second Research Group, Tsukuba Laboratories, National Research Institute for Metals, Tsukuba-shi, Ibaraki-ken 305

来源：

PHYSICAL REVIEW B | 1992年 / 45卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.45.78

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Real-time Raman measurements have been performed on graphite under 3-keV Ar+-ion irradiation with a time resolution of 6 sec. Ion flux of 3 x 10(11) and 4 x 10(10) ions/cm2 sec are used. The graphite lattice damage is estimated by the relative intensity ratio of the disorder-induced peak (approximately 1360 cm-1) with respect to the Raman-active E2g-mode peak (approximately 1580 cm-1). The relative intensity change in the Raman spectrum caused by the irradiation is explained in terms of a reduction in the phonon correlation length due to defects.

引用

页码：78 / 82

页数：5