Volume 52, Number 5, December I 2000
|Page(s)||589 - 593|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 September 2002|
Low-field magnetocaloric effect in
National Laboratory of Solid State Microstructures, Nanjing University
Nanjing 210093, PRC
2 Physics Department of South-West Normal University Chongqing 400715, PRC
Corresponding author: email@example.com
Accepted: 28 September 2000
The magnetocaloric effect in polycrystalline of was investigated. A large magnetic entropy change is discovered in under a low magnetic field of at charge-ordered state transition temperature . The physical mechanism is related to a drastic magnetization change at a temperature where the field-induced magnetic, electron and structural phase transitions occur (from antiferromagnetic charge-ordered state to ferromagnetic charge-disordered state).
PACS: 75.30.-m – Intrinsic properties of magnetically ordered materials / 75.50.-y – Studies of specific magnetic materials
© EDP Sciences, 2000
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