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Diamond and diamond-like carbon in laser heated diamond anvil cell at 16.5 GPa and above 2000 K from pyrolitic graphite

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Title Diamond and diamond-like carbon in laser heated diamond anvil cell at 16.5 GPa and above 2000 K from pyrolitic graphite
 
Creator Kumar, N R Sanjay
Shekar, N V Chandra
Sekar, M
Subramanian, N
Mohan, P Chandra
Srinivasan, M P
Parameswaran, P
Sahu, P Ch
 
Subject Pyrolytic graphite
Synthesis of diamond
Diamond anvil cell
Laser heating
Micro-Raman
Scanning electron image
 
Description 783-787
Diamond and diamond like carbon have been synthesized by direct conversion of pyrolitic carbon at pressure, 16.5 GPa and temperature, ~ 2000 K using a Laser Heated Diamond Anvil Cell (LHDAC) facility. The formation of diamond and diamond like carbon is confirmed by micro-Raman and scanning electron microscopy. The synthesised material has been found as opaque and colourless. The diamond crystals formed in this process are of micrometer size having regular facets. In this experiment, the diamond formation pressure is much lower than reported in shock pressure experiments.
 
Date 2008-12-15T09:12:53Z
2008-12-15T09:12:53Z
2008-11
 
Type Article
 
Identifier 0019-5596
http://hdl.handle.net/123456789/2596
 
Language en_US
 
Publisher CSIR
 
Source IJPAP Vol.46(11)) [November 2008]