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Static and dynamic behavior of the cluster phase in LaMn.sub.0.6./sub.Co.sub.0.4./sub.O.sub.3./sub..
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SYSNO ASEP 0342328 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Static and dynamic behavior of the cluster phase in LaMn0.6Co0.4O3. Author(s) Maryško, Miroslav (FZU-D) RID
Jirák, Zdeněk (FZU-D) RID, ORCID, SAI
Knížek, Karel (FZU-D) RID, ORCID
Autret-Lambert, C. (FR)Source Title Journal of Magnetism and Magnetic Materials. - : Elsevier - ISSN 0304-8853
Roč. 322, 9-12 (2010), s. 1392-1395Number of pages 4 s. Action Joint European Magnetic Symposia (JEMS 08) /4./ Event date 14.09.2008-19.09.2008 VEvent location Dublin Country IE - Ireland Event type EUR Language eng - English Country NL - Netherlands Keywords perovskite manganite-cobaltite ; ferromagnetic ordering ; relaxation Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/06/0051 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100521 - FZU-D (2005-2011) UT WOS 000275746100094 DOI 10.1016/j.jmmm.2009.03.033 Annotation TA non-uniform magnetic state in the perovskite system LaMn0.6Co0.4O3 has been studied by magnetometric methods.Two ferromagnetic (FM) critical temperatures are observed.The first one at Tc=217 K is ascribed to the onset of FM state in the Mn4+/Co2+-ordered domains(phase 1), while the disordered regions containing Mn4+, Mn3+,Co3+ and Co2+ valence states (phase 2) remain in the paramagnetic state. Below Tc=147 K a long-range FM arrangement develops also in certain part of phase 2, but the major part of phase 2 is formed by polydisperse FM clusters. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
Number of the records: 1