The synthesis of TiN by ball-milling - a neutron diffraction study

被引:8
|
作者
Campbell, SJ
Hofmann, M
Calka, A
机构
[1] BENSC, Hahn Meitner Inst, D-14109 Berlin, Germany
[2] Univ Wollongong, Dept Mat Engn, Wollongong, NSW 2522, Australia
[3] Univ Coll New S Wales, Sch Phys, ADFA, Canberra, ACT 2600, Australia
来源
PHYSICA B | 2000年 / 276卷
关键词
powder diffraction; nanoscale materials; nonstoichiometry;
D O I
10.1016/S0921-4526(99)01544-6
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Titanium nitride of FCC B1 structure forms readily on milling Ti in nitrogen and ammonia environments. Rietveld refinements of time-of-flight neutron diffraction patterns show that stoichiometric TIN is produced on milling Ti in nitrogen, whereas the off-stoichiometric nitride TiN0.7, associated with the presence of hydrogen, is formed on milling in ammonia. The transformation of Ti to the nitride proceeds more rapidly in ammonia due to the catalytic effect of hydrogen. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:899 / 900
页数:2
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