HIGH-PRESSURE STUDY OF FE3O4 THROUGH THE VERWEY TRANSITION

被引：26
|
作者：
RAMASESHA, SK
MOHAN, M
SINGH, AK
HONIG, JM
RAO, CNR
机构：
[1] INDIAN INST SCI,SOLID STATE & STRUCT CHEM UNIT,BANGALORE 560012,KARNATAKA,INDIA
[2] INDIAN INST SCI,CTR EXCELLENCE CHEM,CSIR,BANGALORE 560012,KARNATAKA,INDIA
[3] NATL AEROSP LABS,DIV SCI MAT,BANGALORE 560017,KARNATAKA,INDIA
[4] PURDUE UNIV,DEPT CHEM,W LAFAYETTE,IN 47907
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.50.13789
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The thermopower (TEP) and electrical resistance of stoichiometric Fe3O4 crystals have been measured up to pressures of 6 GPa over the temperature range of 80160 K. The resistance decreases markedly with increasing pressure below the Verwey transition temperature TV and TV decreases linearly with increasing pressure. The magnitude of the TEP as well as the discontinuity at TV decrease with increasing pressure. The thermopower of Fe3O4 shows an interesting upswing at low temperatures (<100 K) which is affected significantly by pressure. © 1994 The American Physical Society.
引用
收藏
页码：13789 / 13791
页数：3
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