標題: Growth of diamond nanoplatelets on nanocrystalline diamond substrates
作者: Chen, Hou-Guang
Chang, Li
材料科學與工程學系
Department of Materials Science and Engineering
關鍵字: Nano-diamond;MPCVD;TEM;Field emission
公開日期: 1-二月-2009
摘要: We report the growth of single crystalline diamond nanoplatelets (DNPs) on different types of nanocrystalline diamond substrates by high temperature microwave-plasma chemical vapor deposition. The influence of methane concentration on DNP morphologies has been studied. According to high-resolution transmission electron microscopy observation, DNPs are typical tabular twined crystallites which consist of several twin lamellae parallel to platelet surfaces and the side-face structure of DNPs is the ridge-and-trough structure consisting of {100} and {111} faces. The field emission properties of DNPs with various morphologies and nano-crystalline diamond substrates were characterized. The turn-on electrical field of DNPs with well-faceted side edges was lower in comparison with the DNPs with irregular shapes and nanocrystalline-diamond substrate. (C) 2008 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.diamond.2008.11.010
http://hdl.handle.net/11536/12778
ISSN: 0925-9635
DOI: 10.1016/j.diamond.2008.11.010
期刊: DIAMOND AND RELATED MATERIALS
Volume: 18
Issue: 2-3
起始頁: 141
結束頁: 145
顯示於類別:會議論文


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