全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

Li3N、Mg3N2、Ca3N2催化作用的比较和分析

DOI: 10.11858/gywlxb.2003.02.011, PP. 141-144

Keywords: 催化剂,氮化锂,氮化镁,氮化钙

Full-Text   Cite this paper   Add to My Lib

Abstract:

Li3N、Mg3N2和Ca3N2是高温高压下以hBN为原料合成cBN的催化剂。在实验中发现它们对常压高温下生成hBN的反应也表现出催化作用。对比了三种氮化物催化效果的差异,发现三种氮化物都只有在熔融状态下才能表现出催化效果,以及三种氮化物对生成hBN反应的催化效果与它们在高温高压下合成cBN反应的催化效果次序相似。提出了对合成hBN有催化作用的化合物也将对合成cBN表现出催化作用的观点。

References

[1]  Bolozhenko G, Loriers-Susse C, Loriers J. Synthesis of Cubic Boron Nitride Using Mg and Pure or M-Doped Li3N, Ca3N2, and Mg3N2 with M=Al, B, Si, Ti [J]. J Mater Sci, 1993, 28: 1834-1839.
[2]  Solozhenko V L, Turkerich V Z. Kinetics of cBN Crystallization in the Li3N-BN System at 6.6 GPa [J]. Diamond Relat Mater, 1998, 7: 43-46.
[3]  Kulinich S A, Zhukov A N, Sevastyanova L G. On Some Alkali- and Alkaline-Earth-Metal Boron Nitrides, Unsaturated with Boron [J]. Diamond Relat Mater, 1999, 8: 2152-2158.
[4]  Solozzhenko V L. New Concept of BN Phase Diagram: A Applied Aspect [J]. Diamond Relat Mater, 1994, 4: 1-5.
[5]  Lorenz H, Orgzall I. Formation of Cubic Boron Nitride in the System Mg3N2-BN: A New Contribution the Phase Diagram [J]. Diamond Relat Mater, 1995, 4: 1046-1049.
[6]  Xu X W, Liu Z F, Lin Q S, et al. Li3N Function in BN Synthesis [J]. Chinese Journal of High Pressure Physics, 2001, 15(1): 75-79. (in Chinese)
[7]  徐晓伟, 刘志甫, 林前哨, 等. Li3N在生成BN反应中的作用 [J]. 高压物理学报, 2001, 15(1): 75-79.
[8]  Xu X W, Liu Z F, Zhao H M, et al. Catalytic Function of Mg3N2 in the Formation of hBN [J]. Journal of Synthetic Crystals, 2001, 30(1): 89-92. (in Chinese)
[9]  徐晓伟, 刘志甫, 赵红梅, 等. Mg3N2在生成hBN反应中的作用 [J]. 人工晶体学报, 2001, 30(1): 89-92.
[10]  Choi J Y, Kang S J. Effect of B2O3 and hBN Crystallinity on cBN Synthesis [J]. J Am Ceram Soc, 1993, 76(10): 2525-2528.
[11]  Sato T, Hiraoka H, Endo T. Effect of Oxygen on the Growth of Cubic Boron Nitride Using Mg3N2 as Catalyst [J]. J Mater Sci, 1981, 16: 1829-1834.
[12]  Hu J Q, Lu Q Y, Tang K B. Synthesis and Characterization of Nanocrystalline Boron Nitride [J]. J Solid State Chem, 1999, 148: 325-328.
[13]  Hao X P, Cui D L, Shi G X. Synthesis of Cubic Boron Nitride at Low-Temperature and Low-Pressure Condition [J]. Chem Mater, 2001, 13(8): 2457-2462.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133