ANISOTROPIC THERMAL-EXPANSION OF LIB3O5

被引：51

作者：

WEI, L ^{[1
]}

DAI, GQ ^{[1
]}

HUANG, QZ ^{[1
]}

AN, Z ^{[1
]}

LIANG, DK ^{[1
]}

机构：

[1] CHINESE ACAD SCI,INST PHYS,BEIJING 100080,PEOPLES R CHINA

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 1990年 / 23卷 / 08期

关键词：

D O I：

10.1088/0022-3727/23/8/012

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The anisotropic thermal expansion of LiB3O5has been studied along the principal crystallographic directions over the temperature range of 17 to 790 degrees C by means of high-temperature X-ray powder diffraction. This orthorhombic crystal exhibits strongly anisotropic expansion with coefficients of 108.2×10-6K-1for (100), 33.6×10-6K-1for (010) and -88.0×10-6K-1for (001) at 500C. The coefficients tend to zero when the temperature approaches the crystal's peritectic reaction point. © 1990 IOP Publishing Ltd.

引用

页码：1073 / 1075

页数：3

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