THERMAL-EXPANSION COEFFICIENT OF SYNTHETIC DIAMOND SINGLE-CRYSTAL AT LOW-TEMPERATURES

被引：41

作者：

HARUNA, K ^{[1
]}

MAETA, H ^{[1
]}

OHASHI, K ^{[1
]}

KOIKE, T ^{[1
]}

机构：

[1] JAPAN ATOM ENERGY RES INST,DEPT PHYS,TOKAI,IBARAKI 31911,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1992年 / 31卷 / 08期

关键词：

THERMAL EXPANSION; SYNTHETIC DIAMOND; LATTICE PARAMETER; LOW TEMPERATURE; X-RAY DIFFRACTION;

D O I：

10.1143/JJAP.31.2527

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The lattice parameter of synthetic diamond single crystals has been measured in the range 4.2-320 K by the X-ray diffraction method. The lattice parameter is found to be nearly constant between 4.2 and 90 K. The thermal expansion coefficient alpha calculated from the experimental results is very small (of the order of 10(-7) or less) and no definite evidence of the negative thermal expansion is found within our relative experimental accuracy of the order of +/- 1 X 10(-6).

引用

页码：2527 / 2529

页数：3

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