二硒化鈮 是一種層狀的過渡金屬硫屬化物,化學式為NbSe2 。二硒化鈮是一種潤滑劑,在低於7.2K的溫度下具有電荷密度波 (CDW)性質的超導體。二硒化鈮可以以幾種形式結晶,並可以通過機械法剝離為單原子層 ,這和其它過渡金屬的硫屬化物相似。單層NbSe2 展現出和塊狀材料不同的性質,如Ising超導性、量子金屬鈦及CDW的大程度增強。[ 3]
合成
Number of NbSe2 layers as a function of Se powder temperature during CVD.
二硒化鈮晶體和薄膜可以通過化學氣相沉積(CVD)來生長。[ 3]
參考文獻
^ 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 (英語) .
^ 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 .