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Chemical compound of tungsten and nitrogen
Tungsten nitride (W2 N , WN , WN2 ) is an inorganic compound, a
nitride of
tungsten .
[1] It is a hard, solid, brown-colored
ceramic material that is electrically conductive and decomposes in water.
It is used in
microelectronics as a
contact material , for conductive layers, and
barrier layers between
silicon and other metals, e.g.
tungsten or
copper . It is less commonly used than
titanium nitride or
tungsten films.
Tungsten nitride forms together with
tungsten dioxide ,
tungsten trioxide , and
tungsten pentoxide when an
incandescent light bulb breaks while the filament is heated.
Tungsten silicide is another material with similar use.
References
^ Liu, Chengxiang; Wang, Chao; Meng, Xiangwei; Li, Xingyun; Qing, Qing; Wang, Xianfen; Xue, Ruiying; Yu, Qiang; Yang, Jialei; Wang, Kuikui; Zhao, Xiaoju; Chen, Wei; Qiao, Zhen-An; Zhao, Xiu Song (2020-11-01).
"Tungsten nitride nanoparticles anchored on porous borocarbonitride as high-rate anode for lithium ion batteries" . Chemical Engineering Journal . 399 : 125705.
doi :
10.1016/j.cej.2020.125705 .
ISSN
1385-8947 .
S2CID
224904157 .
Tungsten(0) Tungsten(II) Tungsten(III) Tungsten(IV) Tungsten(V) Tungsten(VI)
Salts and covalent derivatives of the
nitride ion