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Samarium(III) antimonide
Chemical compound

Samarium antimonide is a binary inorganic compound of samarium and antimony with the formula SmSb. It forms crystals.

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Preparation

Samarium antimonide can be prepared by heating samarium and antimony in a vacuum:

S m + S b   → 1922 o C   S m S b {\displaystyle {\mathsf {Sm+Sb\ {\xrightarrow {1922^{o}C}}\ SmSb}}}

Physical properties

Samarium antimonide forms cubic crystals, space group Fm3m, cell parameters a = 0.6271 nm, Z = 4, and structure like sodium chloride.123

The compound melts congruently at a temperature of ≈2000 °C4 or 1922 °C.5

References

  1. Н. П. Лякишева, ed. (2000). Диаграммы состояния двойных металлических систем. Vol. 3 Книга 2. М.: Машиностроение. ISBN 5-217-02932-3. 5-217-02932-3

  2. B. Predel (1998). "Sb-Sm (Antimony-Samarium)". Landolt-Börnstein - Group IV Physical Chemistry. 5J: 1–2. doi:10.1007/10551312_2677. ISBN 3-540-61742-6. 3-540-61742-6

  3. H. Okamoto (2000). "Sb-Sm (Antimony-Samarium)". Journal of Phase Equilibria. 21 (4): 414–415. doi:10.1361/105497100770340002. /wiki/Doi_(identifier)

  4. Н. П. Лякишева, ed. (2000). Диаграммы состояния двойных металлических систем. Vol. 3 Книга 2. М.: Машиностроение. ISBN 5-217-02932-3. 5-217-02932-3

  5. H. Okamoto (2000). "Sb-Sm (Antimony-Samarium)". Journal of Phase Equilibria. 21 (4): 414–415. doi:10.1361/105497100770340002. /wiki/Doi_(identifier)