INFLUENCE OF PRESSURE ON THE FERROMAGNETIC TRANSITION-TEMPERATURE OF SRRUO3

被引：64

作者：

NEUMEIER, JJ

CORNELIUS, AL

SCHILLING, JS

机构：

[1] UNIV MUNICH, SEKT PHYS, D-80799 MUNICH, GERMANY

[2] WALTER MEISSNER INST TIEFTEMP FORSCH, D-85748 GARCHING, GERMANY

[3] WASHINGTON UNIV, DEPT PHYS, ST LOUIS, MO 63130 USA

来源：

PHYSICA B-CONDENSED MATTER | 1994年 / 198卷 / 04期

关键词：

D O I：

10.1016/0921-4526(94)90019-1

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Measurements of electrical resistivity and AC magnetic susceptibility on the ferromagnetic oxide SrRuO3 under hydrostatic pressure in the range 0 less-than-or-equal-to P less-than-or-equal-to 6.1 GPa yield the pressure derivative of the Curie temperature partial derivative T(c)/partial-derivative P = -5.7 +/- 0.2 K/GPa where T(c)(P = 0) congruent-to 165 K. This result is in qualitative agreement with the predictions of the Wohlfarth model. Our pressure results and the DC magnetization studies herein suggest the classification of this material as a moderately weak itinerant ferromagnet.

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页码：324 / 328

页数：5

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