ELECTRICAL-CONDUCTION IN POLYCRYSTALLINE CHROMIUM MOLYBDATE

被引:5
作者
ANSARI, TH [1 ]
SINGH, RA [1 ]
YADAVA, YP [1 ]
机构
[1] INDIAN INST TECHNOL,MAT SCI PROGRAMME,KANPUR 208016,UTTAR PRADESH,INDIA
关键词
D O I
10.1016/0167-577X(90)90120-B
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Electrical conductivity, thermoelectric power and dielectric constant of polycrystalline chromium molybdate, Cr2(MoO4)3, have been studied in the temperature range 300-1000 K. Cr2(MoO4)3 is characterised by two different conduction mechanisms with a discontinuity at T ≈ 650 K. This discontinuity at 650 K is coincident with the monoclinic ⇌ orthorhombic transition at 658 K. The compound exhibits p-type semiconducting behaviour below 500 K and above 500 K it becomes n-type. © 1990.
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收藏
页码:469 / 473
页数:5
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