HIGH-TEMPERATURE SYNTHESIS AND INVESTIGATION OF HEXAGONAL BORON CARBONITRIDE

被引:26
作者
ANDREEV, YG [1 ]
LUNDSTROM, T [1 ]
机构
[1] UNIV UPPSALA,INST CHEM,BOX 531,S-75121 UPPSALA,SWEDEN
基金
瑞典研究理事会;
关键词
D O I
10.1016/0925-8388(94)90155-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A set of boron carbonitride phases have been synthesized by nitration of boron carbide BC powder at 2100-degrees-C under various partial pressures of nitrogen. X-Ray diffraction and Raman spectroscopy studies establish graphite-like networks for the atomic arrangement within each of the ternary compounds formed. All B-C-N phases found are classified by a certain value of interplanar spacing, characteristic Raman band frequency and a degree of structural ordering. An increase of the synthesis temperature prevents the formation of ternary compounds in favour of graphite and hexagonal boron nitride.
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页码:311 / 317
页数:7
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