金刚石的起源与合成.pdf

2004 5 珠　宝　科　技 16 2004 10 JEW EL RY SCI ENCE A N D T E CHN OL O GY 57 ( , 12 1000) : 揭示天然金刚石的生成特性和本质, 促进人造金刚石的发展。氧化( 化合) — 原( 分解) 的论点, 不 仅解释天然金刚石的生成, 也可解释静压合成、气相法等多种方法中金刚石的转化机理。 : 金刚石; 生成; 综述; 氧化; 原 : T Q 164: A : 1004- 746 8( 2004) 05- 0044 - 04 HOW IS THE DIAMOND CREATED Y IN Q ng-p ng ( J inz hon Or iental D iamond A pp licat ion R esear ch I nst it ute J inz hou , L iaoning 12 1000, Ch ina) Abstract : T he g row ng charact er st cs o f t he nat ural d am ond and t s essence ar e uncovered t o pro mot e t he development of m an-made d amo nd . T he v ew po nt o f ox dat o n ( compos ng ) and reduct on ( decompos ng ) can not o nly expla n t he creat o n of nat ural d am ond but also d amond co nvers on mechan sms such st at c synthes s CV D method et c. Keywords: d samond ; ox dat o n; r educt o n , , , ! ? , 3000 , , 1905 , N NE , 3106. 75ct[ 1] , , , , N NE 1937 1939 , [ 3] 200ct 1977 , 0. 88 , 158. 7 86ct , 2700 , , [ 2] , , , 1120 , 3 8 ; , 1965 8 ct ct ct , , 100