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Chemical compound From Wikipedia, the free encyclopedia
Samarium(III) arsenide is a binary inorganic compound of samarium and arsenic with the chemical formula SmAs.[1][2]
Names | |
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Other names
samarium(III) arsenide, arsanylidynesamarium | |
Identifiers | |
3D model (JSmol) |
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ECHA InfoCard | 100.032.266 |
EC Number |
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PubChem CID |
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Properties | |
SmAs | |
Molar mass | 225.28 |
Appearance | Crystals |
Density | 7.2 g/cm3 |
Melting point | 2,257 °C (4,095 °F; 2,530 K) |
Related compounds | |
Related compounds |
Neptunium arsenide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Samarium arsenide can be synthesised by heating of pure substances in vacuum:
Samarium arsenide forms crystals of a cubic system,[3] space group Fm3m, cell parameters a = 0.5921 nm, Z = 4, of NaCl-structure.[4][5]
The compound melts congruently at 2257 °C.
SmAs is used as a semiconductor and in photo optic applications.[6]
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