一砷化镎是一种无机化合物,化学式为NpAs,是镎的砷化物之一。[1]
一砷化镎可由砷和镎的化合反应制得:
![{\displaystyle {\mathsf {Np+As\ {\xrightarrow {T,I_{2}}}\ NpAs}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/d35ae57d993afd95472042422a0a049709841162)
它在不同条件下可以形成多种晶体结构:[2][3]
- 立方晶系,Fm3m空间群,晶胞参数a = 0.5835 nm,-131 °C下存在
- 四方晶系,晶胞参数a = 0.58312 nm, c = 0.58281 nm,−131至−98 °C之间存在
- 立方晶系,Fm3m,a = 0.58318 nm,-98 ° C以上存在
它在175 °K转变为反铁磁性物质。[4][5][6]
- ^ J.P. Charvillat, D. Damien. Neptunium diarsenide and monoarsenide. Inorganic and Nuclear Chemistry Letters. 1973-03, 9 (3): 337–342 [2021-08-09]. doi:10.1016/0020-1650(73)80241-7. (原始内容存档于2018-06-27) (英语).
- ^ mp-2186: NpAs (cubic, Fm-3m, 225). Materials Project. [8 August 2021]. (原始内容存档于2021-08-08).
- ^ Arya, Balwant Singh; Patle, U. S.; Aynyas, Mahendra. High pressure structural and elastic properties of neptunium arsenide. AIP Conference Proceedings. 24 April 2019, 2100 (1): 020148 [8 August 2021]. ISSN 0094-243X. doi:10.1063/1.5098702. (原始内容存档于2021-08-08).
- ^ Erdos, Paul. The Physics of Actinide Compounds. Springer Science & Business Media. 6 December 2012: 40 [8 August 2021]. ISBN 978-1-4613-3581-8 (英语).
- ^ Aldred, A. T.; Dunlap, B. D.; Harvey, A. R.; Lam, D. J.; Lander, G. H.; Mueller, M. H. Magnetic properties of the neptunium monopnictides. Physical Review B. 1 May 1974, 9 (9): 3766–3779 [8 August 2021]. doi:10.1103/PhysRevB.9.3766. (原始内容存档于2022-02-24).
- ^ Magnetization of neptunium monoarsenide. Journal of Magnetism and Magnetic Materials. 1 February 1983, 31–34: 233–234 [8 August 2021]. ISSN 0304-8853. doi:10.1016/0304-8853(83)90229-9. (原始内容存档于2021-08-08) (英语).