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Feromagnetism versus charge ordering in the Pr.sub.0.5./sub.Ca.sub.0.5./sub.MnO.sub.3./sub. and La.sub.0.5./sub.Ca.sub.0.5./sub.MnO.sub.3./sub. nanocrystals
- 1.0341860 - FZÚ 2011 RIV US eng J - Journal Article
Jirák, Zdeněk - Hadová, Eva - Kaman, Ondřej - Knížek, Karel - Maryško, Miroslav - Pollert, Emil - Dlouhá, M. - Vratislav, S.
Feromagnetism versus charge ordering in the Pr0.5Ca0.5MnO3 and La0.5Ca0.5MnO3 nanocrystals.
Physical Review. B. Roč. 81, č. 2 (2010), 024403/1-024403/8. ISSN 1098-0121. E-ISSN 2469-9969
R&D Projects: GA AV ČR KAN200200651
Institutional research plan: CEZ:AV0Z10100521
Keywords : neutron diffraction * magnetic dynamics * charge ordering
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.772, year: 2010
The half-doped manganites Pr0.5Ca0.5MnO3 and La0.5Ca0.5MnO3 have been studied by structural and magnetic methods. Though the room temperature structure is not affected by the nanosize form, the charge ordering transition, common for bulk systems, is not developed at low temperatures. This different behaviour is explained by effects of the particle surface.
Permanent Link: http://hdl.handle.net/11104/0184719
Number of the records: 1