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Phasenbeziehungen im System LiGa-Sn und die Kristallstrukturen der intermediären Phasen LiGaSn und Li2Ga2Sn

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Blase, W., Cordier, G., & Kniep, R. (1993). Phasenbeziehungen im System LiGa-Sn und die Kristallstrukturen der intermediären Phasen LiGaSn und Li2Ga2Sn. Zeitschrift für anorganische und allgemeine Chemie, 619(7), 1161-1166. doi:10.1002/zaac.19936190703.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-B8D2-F
Abstract
The quasibinary system LiGa-Sn contains the intermediate ternary phases Li7Ga7Sn3, Li2Ga2Sn, Li5Ga5Sn3, Li3Ga3Sn2 and LiGaSn. Single crystals of LiGaSn (a = 632.9(4) pm, Fd3m, Z = 4), Li3Ga3Sn2 (a = 445.4(3), c = 1 090.0(2) pm, hP*), Li5Ga5Sn3 (a = 447.0(4), c = 4 220.0(9) pm, hP*) and Li2Ga2Sn (a = 441.1(2), c = 2164.5(7) pm, P6(3)/mmc, Z = 4) have been grown from the melt. The crystal structures of LiGaSn and Li2Ga2Sn have been determined by single crystal X-ray methods (R = 0.029 bzw. 0.107 respectively). The crystal structure of LiGaSn contains a sphalerite-type Ga/Sn-arrangement, the Ga/Sn-arrangement of Li2Ga2Sn corresponds to a stacking variant of the wurtzite- and sphalerite-type. The compounds can be classified in terms of the Zintl concept.