Chemistry:Vanadium ditelluride
From HandWiki
V4+
(Te2- ) 2 | |
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| Te2V | |
| Molar mass | 306.14 g·mol−1 |
| Appearance | gray solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Vanadium ditelluride is an inorganic compound with the formula VTe2. It is a water-insoluble, gray-black solid. VTe2 has no applications but closely related layered dichalcogenides are subject of much research.[1] VTe2 is the best studied vanadium telluride.
Vanadium ditelluride can be prepared by the reaction of the elements at 1000 °C.[2] The reaction can also be conducted in molten salt.[3] According to X-ray crystallography, it has a layered structure of the cadmium hydroxide packing motif.[2]
A vanadium monotelluride (VTe) is also known (registry number 29888-22-0). It is a nonstoichiometric compound (as is the ditelluride), which crystallizes in the NiAs motif.[4]
References
- ↑ Han, Gang Hee; Duong, Dinh Loc; Keum, Dong Hoon; Yun, Seok Joon; Lee, Young Hee (2018). "Van der Waals Metallic Transition Metal Dichalcogenides". Chemical Reviews 118 (13): 6297–6336. doi:10.1021/acs.chemrev.7b00618. PMID 29957928.
- ↑ 2.0 2.1 Bronsema, K.D.; Bus, G.W.; Wiegers, G.A. (1984). "The Crystal Structure of Vanadium Ditelluride, V1+xTe2". Journal of Solid State Chemistry 53 (3): 415–421. doi:10.1016/0022-4596(84)90120-8. Bibcode: 1984JSSCh..53..415B.
- ↑ Zhou, Jiadong; Lin, Junhao; Huang, Xiangwei; Zhou, Yao; Chen, Yu; Xia, Juan; Wang, Hong; Xie, Yu et al. (2018). "A Library of Atomically Thin Metal Chalcogenides". Nature 556 (7701): 355–359. doi:10.1038/s41586-018-0008-3. PMID 29670263. Bibcode: 2018Natur.556..355Z.
- ↑ Parker, David S.; Yin, Li; Samolyuk, German D.; Sanjeewa, Liurukara D.; Wang, Xiaoping; Cooper, Valentino R.; Liu, Yaohua; Bud'Ko, Sergey et al. (2022). "Insulating Antiferromagnetism in VTe". Physical Review B 105 (17). doi:10.1103/physrevb.105.174414. Bibcode: 2022PhRvB.105q4414P.
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