MAGNETOTRANSPORT AND CHARGE-DENSITY-WAVE INSTABILITIES IN THE QUASI-2-DIMENSIONAL PHOSPHATE TUNGSTEN BRONZES (PO2)4(WO3)2M (M = 4,6,7)

被引：6

作者：

ROTGER, A ^{[1
]}

SCHLENKER, C ^{[1
]}

DUMAS, J ^{[1
]}

WANG, E ^{[1
]}

TEWELDEMEDHIN, Z ^{[1
]}

GREENBLATT, M ^{[1
]}

机构：

[1] RUTGERS UNIV,DEPT CHEM,PISCATAWAY,NJ 08855

来源：

SYNTHETIC METALS | 1993年 / 56卷 / 2-3期

关键词：

D O I：

10.1016/0379-6779(93)90016-P

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electrical resistivity has been measured between 4.2 K and 300 K in fields up to 6 Tesla on the monophosphate tungsten bronzes P4W8O32, P4W12O44 and P4W14O50. These compounds are anisotropic quasi-two-dimensional metals showing several charge density wave instabilities. For m = 4 and m = 6, a large anisotropic magnetoresistance is found in die lowest temperature charge density wave state, as expected, with small carrier pockets left on die Fermi surface by gap openings. For m = 7, several instabilities are found by the transport properties together with a small magnetoresistance. These results are partly consistent with X-ray diffuse scattering studies.

引用

页码：2670 / 2675

页数：6

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