NEW TERNARY MO(II)-COMPOUNDS IN XMO15SE19 CONTAINING MO6SE8 AND MO9SE11 UNITS

被引:34
作者
CHEVREL, R
SERGENT, M
SEEBER, B
FISCHER, O
GRUTTNER, A
YVON, K
机构
[1] UNIV GENEVA,DEPT PHYS MAT CONDENSEE,CH-1211 GENEVA 4,SWITZERLAND
[2] UNIV GENEVA,CRISTALLOG RAYONS LAB 10,CH-1211 GENEVA 4,SWITZERLAND
关键词
D O I
10.1016/0025-5408(79)90201-0
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new ternary molybdenum chalcogenide has been found with composition InxMo15Se19. This compound crystallizes in the hexagonal space group P63/m, and shows both types of blocks Mo6Se8 and Mo9Se11. To our knowledge, this is the first Me9X11 unit ever observed in a material. It presents a homogeneity domain: 2, 9 < x < 3, 4. Substitution of sulphur and tellurium for selenium in In3.3Mo15Se19-yXy (X = S, Te) is possible in the limits 0 < y < 12 and 0 < y < 2 respectively. The new compound becomes a high field superconductor at low temperature. © 1979.
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页码:567 / 577
页数:11
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