Diamond formation using Fe3C as a carbon source at high temperature and high pressure

被引：19
|
作者：
Yin, LW
Li, MS
Cui, HJ
Zou, ZD
Liu, P
Hao, ZY
机构：
[1] Shandong Univ, Coll Mat Sci & Engn, Shandong 250061, Peoples R China
[2] Jilin Univ, Natl Key Lab Superhard Mat, Changchun 130012, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2002年 / 234卷 / 01期
关键词：
high pressure-high temperature; raman spectra; diamond;
D O I：
10.1016/S0022-0248(01)01677-3
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Fe3C carbide was treated at a high temperature of 1630 K and a high pressure of 5.3 GPa (HPHT) in a cubic anvil apparatus. Diamond is found to form from iron carbide at high temperature-high pressure (HPHT). The formation of the diamond can be confirmed by laser Raman spectra. This work opens a new way to synthesize diamond at HPHT and provides direct evidence about the diamond formation mechanism in the presence of a transition metal catalyst using graphite as the carbon source at HPHT. (C) 2002 Elsevier Science B.V. All rights reserved.
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页码：1 / 4
页数：4
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