PRESSURE EFFECT ON THE CRYSTAL-STRUCTURE AND ELECTRICAL-CONDUCTIVITY OF LICUO2

被引：3

作者：

UTSUMI, W ^{[1
]}

IMAI, K ^{[1
]}

KOIKE, M ^{[1
]}

TAKEI, H ^{[1
]}

YAGI, T ^{[1
]}

TAKAHASHI, H ^{[1
]}

MORI, N ^{[1
]}

机构：

[1] UNIV TOKYO,INST SOLID STATE PHYS,7-22-1 ROPPONGI,MINATO KU,TOKYO 106,JAPAN

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 1993年 / 107卷 / 02期

关键词：

D O I：

10.1006/jssc.1993.1376

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Pressure dependence of the unit-cell parameters in LiCuO2, composed of a bundle of infinite one-dimensional Cu-O chains, has been investigated under hydrostatic conditions up to 6.3 GPa. The axes perpendicular to the chains show a considerable decrease with an increase in pressure, whereas the axis parallel to the chains show low contraction with compression. These behaviors are directly related to the chain structure of LiCuO2: the compressibility along the edge-shared CuO2 chains is very low and vice versa. The electrical resistivities up to 8 GPa show a semiconductive behavior between room temperature and 77 K with slight pressure dependence. © 1993 Academic Press, Inc.

引用

页码：507 / 512

页数：6

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