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SANS study of magnetic phase transitions in CaMn.SUP.7 O.SUP.12
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SYSNO ASEP 0185168 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title SANS study of magnetic phase transitions in CaMn.SUP.7 O.SUP.12 Author(s) Przeniosol, R. (PL)
Sosnowska, I. (PL)
Strunz, Pavel (UJF-V) RID, ORCID, SAI
Hohlwein, D. (DE)
Hauß, T. (DE)
Troyanchuk, I. O. (BY)Source Title Physica B-Condensed Matter. - : Elsevier - ISSN 0921-4526
276/278, - (2000), s. 547-548Number of pages 2 s. Language eng - English Country NL - Netherlands Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders R&D Projects GV202/97/K038 GA ČR - Czech Science Foundation (CSF) KSK1010601 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) Annotation The mixed valence manganite CaMn.SUP.7 O.SUP.12 system hasa modulated magnetic ordering below 90 K which gives magnetic satellite reflection at Qó0.2 A.SUB.-1. The results ofsmall-angle neutron scattering (SANS) measurements on polycristaline CaMn.SUP.7 O.SUP.12 with and without external magnetic fields are discussed. It was found that near 50 K there is a second magnetic phase transititon connected witha splitting of the stellite reflection. The Q.SUP.MAX positions, intensities and half-widths of the reflections depend on temperature. The influence of external magnetic fieldon the magnetic ordering is also discussed. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2001
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