Grow Large High-Quality Diamonds with Different Seed Surfaces
ZANG Chuan-Yi, JIA Xiao-Peng, MA Hong-An, LI Shang-Sheng, TIAN Yu, XIAO Hong-Yu
The National Key Laboratory for Superhard Materials, Jilin University, Changchun 130012
Grow Large High-Quality Diamonds with Different Seed Surfaces
ZANG Chuan-Yi;JIA Xiao-Peng;MA Hong-An;LI Shang-Sheng;TIAN Yu;XIAO Hong-Yu
The National Key Laboratory for Superhard Materials, Jilin University, Changchun 130012
关键词 ：
81.05.Uw ,
81.10.Aj ,
81.10.Dn ,
81.10.h
Abstract ： Large high-quality type Ib diamond crystals have been grown with different seed surfaces by temperature gradient method at 5.5GPa, 1500--1600K, with NiMnCo alloy as the metal solvent. Compared with {100} as the growth surface, the growth region of large high-quality diamond crystals with {111} as the growth surface at a higher growth rate shifts markedly from lower temperatures (suitable for {100}-facet growth) to higher temperatures (suitable for {111}-facet growth). However, regardless of different growth surfaces, {100} or {111}, the grown crystals of sheet-shaped shape are most difficult for metal inclusions to be trapped into, and whether or not matched growth between the seed surfaces and the growth temperatures determines the crystal shapes. In view of the growth rates, large high-quality diamond crystals of sheet-shaped shapes can be grown at a growth rate of above 2.5mg/h, while the growth rate of large high-quality diamond c
Key words ：
81.05.Uw
81.10.Aj
81.10.Dn
81.10.h
出版日期: 2006-01-01
:
81.05.Uw
81.10.Aj
(Theory and models of crystal growth; physics and chemistry of crystal growth, crystal morphology, and orientation)
81.10.Dn
(Growth from solutions)
81.10.h
引用本文:
ZANG Chuan-Yi;JIA Xiao-Peng;MA Hong-An;LI Shang-Sheng;TIAN Yu;XIAO Hong-Yu. Grow Large High-Quality Diamonds with Different Seed Surfaces[J]. 中国物理快报, 2006, 23(1): 214-216.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I1/214
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2006, Vol. 23 
