A helium-gas-pressure apparatus with optical-reflectivity detection tested with a spin-transition solid

被引：38

作者：

Jeftic, J

Menéndez, N

Wack, A

Codjovi, E

Linarès, J

Goujon, A

Hamel, G

Klotz, S

Syfosse, G

Varret, F

机构：

[1] Univ Versailles, Lab Magnetisme & Opt, CNRS, UMR 8634, F-78035 Versailles, France

[2] Univ Rennes 1, Grp Mat Condensee, CNRS, UMR 6626, F-35042 Rennes, France

[3] Univ Paris 06, Lab Phys Milieux Condensee, Dept Hautes Press, CNRS,UMR 7602, F-75252 Paris, France

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 1999年 / 10卷 / 11期

关键词：

pressure; spin crossover; spin transition; thermochromic materials; piezochromic materials;

D O I：

10.1088/0957-0233/10/11/314

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have constructed a low-temperature helium pressure device that incorporates optical-reflectivity detection and is useful for the study of thermochromic materials. We have tested the device up to 1600 bar (0.16 GPa) and down to 10 K. The performance of the device is illustrated by the results of constant-pressure and constant-temperature runs for the spin-transition solid [Fe(btr)(2)(NCS)(2)] . H2O. The data establish a consistent pressure-temperature phase diagram, which is discussed.

引用

页码：1059 / 1064

页数：6

共 30 条

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