Plutonium silicide
| Names | |
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| Other names Plutonium monosilicide | |
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| Properties | |
Chemical formula | PuSi |
| Molar mass | 272.09 g/mol |
| Appearance | Grey crystals |
| Density | 10.15 |
| Melting point | 1,576[1] °C (2,869 °F; 1,849 K) |
Solubility in water | insoluble |
| Hazards | |
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| Warning | |
| Related compounds | |
Related compounds | Neptunium silicide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Chemical compound
Plutonium silicide is a binary inorganic compound of plutonium and silicon with the chemical formula PuSi.[2][3][4] The compound forms gray crystals.
Synthesis
Reaction of plutonium dioxide and silicon carbide:
Reaction of plutonium trifluoride with silicon:
Physical properties
Plutonium silicide forms gray crystals of orthorhombic crystal system, space group Pnma, cell parameters: a = 0.7933 nm, b = 0.3847 nm, c = 0.5727 nm, Z = 4, TiSi type structure.
At a temperature of 72 K, plutonium silicide undergoes a ferromagnetic transition.[5]
References
- ^ Macintyre, Jane E. (July 23, 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3783. ISBN 9780412301209. Retrieved 16 August 2021.
- ^ Krikorian, Oscar H.; Hagerty, David C. (1 May 1990). "Exchange reactions of plutonium with silicides and estimation of the enthalpy of formation of Pu5Si3". Journal of Nuclear Materials. 171 (2–3): 237–244. Bibcode:1990JNuM..171..237K. doi:10.1016/0022-3115(90)90371-S. ISSN 0022-3115. Retrieved 16 August 2021.
- ^ "plutonium silicide - 一矽化鈽". terms.naer.edu.tw. Retrieved 16 August 2021.
- ^ Fish, B. R.; Keilholtz, G. W.; Snyder, W. S.; Swisher, S. D. (November 1972). CALCULATION OF DOSES DUE TO ACCIDENTALLY RELEASED PLUTONIUM FROM AN LMFBR (PDF). Nuclear Safety Information Center. p. 39. Retrieved 16 August 2021.
- ^ Boulet, P.; Wastin, F.; Colineau, E.; Griveau, J. C.; Rebizant, J. (July 2003). "The binary system Pu–Si: crystallochemistry and magnetic properties". Journal of Physics: Condensed Matter. 15 (28): S2305–S2308. Bibcode:2003JPCM...15S2305B. doi:10.1088/0953-8984/15/28/372. ISSN 0953-8984. S2CID 250907789. Retrieved 16 August 2021.
