Niobium phosphide

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Niobium phosphide
Names
Other names
Phosphanylidyneniobium
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 234-810-2
Properties
NbP
Molar mass 123.88
Appearance Dark-gray crystals
Density 6,48 g/cm3
Insoluble
Structure
Tetragonal
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Tracking categories (test):

Niobium phosphide is an inorganic compound of niobium and phosphorus with the chemical formula NbP.[1]

Synthesis

Sintering powdered niobium and phosphorus:

[math]\ce{ 4Nb + P4 -> 4NbP }[/math]

Physical properties

The compound is a unique material combining topological and conventional electronic phases. Its superfast electrons demonstrate extremely large magnetoresistance, so NbP may be suitable for use in new electronic components.[2]

Niobium phosphide forms dark gray crystals of the tetragonal system, space group I 41md, cell parameters a = 0.3334 nm, c = 1.1378 nm, Z = 4.[3]

It does not dissolve in water.

Niobium phosphide, like tantalum arsenide TaAs, is a topological Weyl semimetal.[4][5]

Uses

The compound is a semiconductor used in high power, high frequency applications and in laser diodes. [1]

References

  1. 1.0 1.1 "Niobium Phosphide" (in en). American Elements. https://www.americanelements.com/niobium-phosphide-12034-66-1. 
  2. Chen, Yulin (July 13, 2015). "Niobium Phosphide (NbP) Holds Promise for New Magnetoresistance Components". https://www.powerelectronics.com/technologies/passive-components/article/21862723/niobium-phosphide-nbp-holds-promise-for-new-magnetoresistance-components. 
  3. Lomnits’ka, Ya. F.; Shupars’ka, A. I. (1 July 2006). "Reactions of niobium and tungsten with phosphorus" (in en). Powder Metallurgy and Metal Ceramics 45 (7–8): 361–364. doi:10.1007/s11106-006-0090-1. https://link.springer.com/article/10.1007%2Fs11106-006-0090-1. Retrieved 15 December 2021. 
  4. Xu, Di-Fei; Du, Yong-Ping; Wang, Zhen; Li, Yu-Peng; Niu, Xiao-Hai; Yao, Qi; Pavel, Dudin; Xu, Zhu-An et al. (18 September 2015). "Observation of Fermi Arcs in Non-Centrosymmetric Weyl Semi-Metal Candidate NbP" (in en). Chinese Physics Letters 32 (10): 107101. doi:10.1088/0256-307x/32/10/107101. Bibcode2015ChPhL..32j7101X. https://iopscience.iop.org/article/10.1088/0256-307X/32/10/107101. Retrieved 15 December 2021. 
  5. Fu, Yan-Long; Sang, Hai-Bo; Cheng, Wei; Zhang, Feng-Shou (1 September 2020). "Topological properties after light ion irradiation on Weyl semimetal niobium phosphide from first principles" (in en). Materials Today Communications 24: 100939. doi:10.1016/j.mtcomm.2020.100939. https://www.sciencedirect.com/science/article/abs/pii/S2352492819312772. Retrieved 15 December 2021. 




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