TY - JOUR
T1 - Anisotropic electronic properties of the bronze, CsP8W8O40
AU - Wang, E.
AU - Greenblatt, M.
N1 - Funding Information:
We thank G. W. Hull of Bellcore for the magnetic susceptibility measurements and Drs. K. V. Ramanujachary and S. Fine, Professors F. DiSalvo and W. H. McCarroll for useful discussions. Information on the tight-binding band structure calculation of CSP~W~O~ by Professors E. Canadell and M. Whangbo, prior to publication, and their suggestions for the interpretation of our results in light of the band structure is gratefully appreciated. This work was supported by the National Science Foundation under Grants DMR-84+4003, DMR-84-08266 and DMR-87-14072.
PY - 1988/10
Y1 - 1988/10
N2 - Cesium tungsten phosphate oxide, CsP8W8O40, bronze single crystals were grown by chemical vapor transport with KBr as the transporting agent. Electrical resistivity measurements on oriented crystals with ρ{variant}a (RT) = 5.9 × 10-2 Ω cm, ρ{variant}b (RT) = 4.5 × 10-2 Ω cm, and ρ{variant}c (RT) = 5.7 × 10-3 Ω cm indicate quasi-one-dimensional behavior. A broad transition observed at ∼160 K may be attributed to order-disorder transition associated with the Cs+ ions, or a change of the type of conductivity from hopping type (activated) to band type (nonactivated). Qualitative Seebeck measurements of CsP8W8O40 indicate p-type behavior at room temperature and n-type behavior at liquid N2 temperature. A sharp transition seen at ∼24 K might be due to a charge-density wave instability inherent in a quasi-one-dimensional metal. Magnetic susceptibility data indicate Pauli paramagnetic behavior. The anomalies observed in the resistivity do not show up in the magnetic susceptibility.
AB - Cesium tungsten phosphate oxide, CsP8W8O40, bronze single crystals were grown by chemical vapor transport with KBr as the transporting agent. Electrical resistivity measurements on oriented crystals with ρ{variant}a (RT) = 5.9 × 10-2 Ω cm, ρ{variant}b (RT) = 4.5 × 10-2 Ω cm, and ρ{variant}c (RT) = 5.7 × 10-3 Ω cm indicate quasi-one-dimensional behavior. A broad transition observed at ∼160 K may be attributed to order-disorder transition associated with the Cs+ ions, or a change of the type of conductivity from hopping type (activated) to band type (nonactivated). Qualitative Seebeck measurements of CsP8W8O40 indicate p-type behavior at room temperature and n-type behavior at liquid N2 temperature. A sharp transition seen at ∼24 K might be due to a charge-density wave instability inherent in a quasi-one-dimensional metal. Magnetic susceptibility data indicate Pauli paramagnetic behavior. The anomalies observed in the resistivity do not show up in the magnetic susceptibility.
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U2 - 10.1016/0022-4596(88)90228-9
DO - 10.1016/0022-4596(88)90228-9
M3 - Article
AN - SCOPUS:0024103699
SN - 0022-4596
VL - 76
SP - 340
EP - 344
JO - Journal of Solid State Chemistry
JF - Journal of Solid State Chemistry
IS - 2
ER -