Ultraviolet Raman analysis of the formation of diamond from C60

被引:11
作者
Ravindran, TR [1 ]
Badding, JV [1 ]
机构
[1] Penn State Univ, Dept Chem, University Pk, PA 16802 USA
关键词
fullerenes; phase transitions; inelastic light scattering; strains; high pressured; diamond;
D O I
10.1016/S0038-1098(02)00020-0
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The ultraviolet (257 nm) Raman spectrum Of C-60 compressed to 30 GPa in a Mao-Bell diamond anvil cell with no pressure transmitting medium at ambient temperature indicates the formation of diamond after release of pressure. Previously, more extreme non-hydrostatic compression was reported to be required to form diamond from C-60. These results provide confirmation of the transformation of C-60 to diamond upon non-hydrostatic compression at room temperature and illustrate the utility of UV Raman spectroscopy for the analysis of carbon phases containing both sp(2) and sp(3) bonding. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:391 / 393
页数:3
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