Published March 2007
| Version v1
Journal article
Influence of structural-phase transition on the magnetocaloric effects of lanthanum manganites
- 1. School of Materials Science and Engineering, Seoul National University, Seoul 151-744 (Korea, Republic of)
- 2. Department of Physics, Chungbuk National University, Cheongju 361-763 (Korea, Republic of)
Description
We studied the magnetic entropy change (ΔSm) of the perovskite manganites La0.7Ca0.3-xSrxMnO3 (x=0.12, 0.135, and 0.15). Effect of orthorhombic-rhombohedral structural transition, coinciding with the ferromagnetic-paramagnetic (FM-PM) phase transition, on the ΔSm is observed. The structural transition causes the double-step decrease of magnetization with temperature and widens the magnetic transition, leading to splitting of ΔSm into two peaks and also decrease in the overall values of ΔSm
Additional details
Identifiers
- DOI
- 10.1016/j.jmmm.2006.10.964;
- PII
- S0304-8853(06)02179-2;
Publishing Information
- Journal Title
- Journal of Magnetism and Magnetic Materials
- Journal Volume
- 310
- Journal Issue
- 2
- Journal Page Range
- p. 2818-2819
- ISSN
- 0304-8853
- CODEN
- JMMMDC
Conference
- Title
- 17. international conference on magnetism
- Dates
- 20-25 Aug 2006
- Place
- Kyoto (Japan)
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 39027080
- Subject category
- S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ENTROPY; LANTHANUM COMPOUNDS; MAGNETIC PROPERTIES; MAGNETIZATION; MANGANESE COMPOUNDS; ORTHORHOMBIC LATTICES; OXIDES; PARAMAGNETISM; PEROVSKITE; PHASE TRANSFORMATIONS; STRONTIUM COMPOUNDS; TRIGONAL LATTICES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; CHALCOGENIDES; CRYSTAL LATTICES; CRYSTAL STRUCTURE; MAGNETISM; MINERALS; OXIDE MINERALS; OXYGEN COMPOUNDS; PEROVSKITES; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS
Optional Information
- Copyright
- Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.