期刊
SOLID STATE COMMUNICATIONS
卷 148, 期 9-10, 页码 361-364出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2008.09.043
关键词
Barium iridate; Weak itinerant ferromagnetism; High-pressure effect
资金
- NSF
- Ministry of Science and Technology of China
The in situ high-pressure measurements of electrical resistivity versus temperature for weak ferromagnetic BaIrO(3) have been performed, using a Cu-Be piston-cylinder-type apparatus up to 1.0 GPa at 80-300 K. The electrical resistivity is increasing with pressure. The pressure derivative of Curie temperature partial derivative T(c)/partial derivative P is equal to -6.1(2) K/GPa, and the relative pressure dependence partial derivative In T(c)/partial derivative P is equal to -3.4(1)%/GPa, which indicates that BaIrO(3) is a weak itinerant ferromagnet. (C) 2008 Elsevier Ltd. All rights reserved.
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