Thermal expansion of magnetite (4.2-300 K)

被引：2

作者：

Hancock, Y. ^{[1
]}

Finlayson, T. R. ^{[2
]}

机构：

[1] Univ York, Dept Phys, York Y010 5DD, N Yorkshire, England

[2] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

来源：

PHILOSOPHICAL MAGAZINE | 2009年 / 89卷 / 22-24期

关键词：

magnetite; Verwey transition; three-terminal capacitance dilatometry; thermal expansion; VERWEY TRANSITION; LOW-TEMPERATURES; FE3O4; OXIDES;

D O I：

10.1080/14786430802647057

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The thermal expansion of a synthetic single-crystal sample of magnetite (Fe3O4) in the [111] direction has been investigated for the temperature range of 4.2-300 K using three-terminal capacitance dilatometry. The strain results and corresponding thermal expansion curve show the Verwey transition to be first-order with T-v 120 = 2 K. At T 4.2-70 K, the sample shows Invar-like behaviour.

引用

页码：1913 / 1921

页数：9

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