二硫化鉭是一種無機化合物,化學式TaS2。 它是具有三配位硫中心和三角稜柱金屬中心的層狀化合物。它在結構上與更著名的材料二硫化鉬 MoS2相似。 TaS2 是一種半導體,有 d1 電子構型。
TaS2 可以由鉭 粉和硫在 ~900 °C化合而成。[2] 可以使用碘作為傳輸劑,通過化學氣相傳輸將其純化和結晶:[3]
- TaS2 + 2 I2 ⇌ TaI4 + 2 S
- ^ 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: 4.93. ISBN 978-1-4398-5511-9. OCLC 730008390 (英語).
- ^ Navarro-Moratalla, Efrén; Island, Joshua O.; Mañas-Valero, Samuel; Pinilla-Cienfuegos, Elena; Castellanos-Gomez, Andres; Quereda, Jorge; Rubio-Bollinger, Gabino; Chirolli, Luca; Silva-Guillén, Jose Angel; Agraït, Nicolás; Steele, Gary A.; Guinea, Francisco; Van Der Zant, Herre S. J.; Coronado, Eugenio. Enhanced superconductivity in atomically thin TaS2. Nature Communications. 2016, 7: 11043. Bibcode:2016NatCo...711043N. PMC 5512558
. PMID 26984768. arXiv:1604.05656
. doi:10.1038/ncomms11043.
- ^ Cho, Doohee; Cheon, Sangmo; Kim, Ki-Seok; Lee, Sung-Hoon; Cho, Yong-Heum; Cheong, Sang-Wook; Yeom, Han Woong. Nanoscale manipulation of the Mott insulating state coupled to charge order in 1T-TaS2. Nature Communications. 2016, 7: 10453. Bibcode:2016NatCo...710453C. PMC 4735893
. PMID 26795073. arXiv:1505.00690
. doi:10.1038/ncomms10453.