Interface between metallic film from Fe-Ni-C system and HPHT as-grown diamond single crystal

作     者：许斌 李木森 尹龙卫 刘玉先 崔建军 宫建红 

作者机构：Department of Materials Science and Engineering College of Materials Science and Engineering 

出 版 物：《中国有色金属学会会刊：英文版》 (Transactions of Nonferrous Metals Society of China)

年 卷 期：2003年第13卷第4期

页      面：902-906页

核心收录：

学科分类：080503[工学-材料加工工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Project(Y2 0 0 2F0 6)supportedbytheNationalNaturalScienceFoundationofShandongProvince 

主　　题：金刚石 单晶 晶体生长 原子力显微镜 高温高压 Fe-Ni-C合金 

摘      要：Microstructures of surface layer (near diamond) of the metallic film from Fe Ni C system are composed of (Fe,Ni) 3C, (Fe,Ni) 23 C 6 and γ (Fe,Ni), from which it can be assumed that graphite isnt directly catalyzed into diamond through the film and there exists a transition phase (Fe,Ni) 3C that can decompose into diamond structure. AFM morphologies on the film/diamond interface are traces preserved after carbon groups moving from the film to diamond. The morphologies on the as grown diamond are similar to those on corresponding films, being spherical on (100) face and sawtooth like steps on (111) face. Diamond growth rates and temperature gradients in boundary layer of the molten film at HPHT result in morphology differences.