二硒化铌 是一种层状的过渡金属硫属化物,化学式为NbSe2 。二硒化铌是一种润滑剂,在低于7.2K的温度下具有电荷密度波 (CDW)性质的超导体。二硒化铌可以以几种形式结晶,并可以通过机械法剥离为单原子层 ,这和其它过渡金属的硫属化物相似。单层NbSe2 展现出和块状材料不同的性质,如Ising超导性、量子金属钛及CDW的大程度增强。[ 3]
Number of NbSe2 layers as a function of Se powder temperature during CVD.
二硒化铌晶体和薄膜可以通过化学气相沉积(CVD)来生长。[ 3]
^ 1.0 1.1 1.2 1.3 Haynes, William M. CRC handbook of chemistry and physics: a ready-reference book of chemical and physical data 92nd. Boca Raton, FL.: CRC Press . 2011: 4.78. ISBN 978-1-4398-5511-9 . OCLC 730008390 (英语) .
^ Rajora, O. S; Curzon, A. E. The preparation and X-ray diffraction study of the layer materials NbSx Se2−x for 0 ≦ x ≦ 2. Physica Status Solidi (a). 1987, 99 : 65. Bibcode:1987PSSAR..99...65R . doi:10.1002/pssa.2210990108 .
^ 3.0 3.1 Wang, Hong; Huang, Xiangwei; Lin, Junhao; Cui, Jian; Chen, Yu; Zhu, Chao; Liu, Fucai; Zeng, Qingsheng; Zhou, Jiadong; Yu, Peng; Wang, Xuewen; He, Haiyong; Tsang, Siu Hon; Gao, Weibo; Suenaga, Kazu; Ma, Fengcai; Yang, Changli; Lu, Li; Yu, Ting; Teo, Edwin Hang Tong; Liu, Guangtong; Liu, Zheng. High-quality monolayer superconductor NbSe2 grown by chemical vapour deposition . Nature Communications. 2017, 8 (1): 394. PMC 5577275 . PMID 28855521 . doi:10.1038/s41467-017-00427-5 .