%0 Journal Article
%T Surface Structure of Large Synthetic Diamonds by High Temperature and High Pressure
%A ZANG Chuan-Yi
%A HUANG Guo-Feng
%A MA Hong-An
%A JIA Xiao-Peng
%A <br>臧传义
%A 黄国峰
%A 马红安
%A 贾晓鹏
%J 中国物理快报
%D 2007
%I 
%X With NiMnCo and FeCoNi alloys as solvent metals, large single-crystal diamonds of about 3mm across are grown by temperature gradient method(TGM) under high temperature and high pressure (HPHT). Although both {100} and {111} surfaces are developed by a layer growth mechanism, some different characteristic patterns are seen clearly on the different surfaces, no matter whether NiMnCo or FeCoNi alloys are taken as the solvent metals. For {100} surface, it seems to have been melted or etched greatly, no dendritic patterns to be found, and only a large number of growth hillocks are dispersed net-likely; while for {111} surface, it often seems to be more smooth-faced, no etched or melted traces are present even when a lot of depressed trigonal growth layers. This distinct difference between {111} and {100} surfaces is considered to be related to the difference of surface-atom distribution of different surfaces, and {111} surfaces should be moredifficult to be etched and more steady than {100} surfaces.
%K 81
%K 05
%K Uw
%K 81
%K 10
%K Aj
%K 81
%K 10
%K h
%K 68
%K 35
%K Bs<br>人造金刚石
%K 表面结构
%K 高温
%K 高压
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=E27DA92E19FE279A273627875A70D74D&aid=9BF1E5DC433F0E4DE32167D0DA6DD627&yid=A732AF04DDA03BB3&vid=B91E8C6D6FE990DB&iid=F3090AE9B60B7ED1&sid=AACCB98EBF19A477&eid=D413BE4FEC26716F&journal_id=0256-307X&journal_name=中国物理快报&referenced_num=0&reference_num=0