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.sup.93./sup.Nb NMR and Fe.sup.3+./sup. EPR study of local magnetic properties of magnetoelectric Pb(Fe.sub.1/2./sub.Nb.sub.1/2./sub.)O.sub.3./sub..
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SYSNO ASEP 0349840 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title 93Nb NMR and Fe3+ EPR study of local magnetic properties of magnetoelectric Pb(Fe1/2Nb1/2)O3. Author(s) Laguta, Valentyn (FZU-D) RID, ORCID
Rosa, Jan (FZU-D) RID
Jastrabík, Lubomír (FZU-D) RID, ORCID
Blinc, R. (SI)
Cevc, P. (SI)
Zalar, B. (SI)
Remškar, M. (SI)
Raevskaya, S. I. (RU)
Raevski, I. P. (RU)Source Title Materials Research Bulletin. - : Elsevier - ISSN 0025-5408
Roč. 45, č. 11 (2010), 1720-1727Number of pages 8 s. Language eng - English Country GB - United Kingdom Keywords Pb(Fe1/2Nb1/2)O3 ; nuclear magnetic resonance (NMR) ; EPR ; microstructure Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects 1M06002 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100521 - FZU-D (2005-2011) UT WOS 000283907100031 DOI 10.1016/j.materresbull.2010.06.060 Annotation The 93Nb NMR and Fe3+ EPR spectra of a magnetoelectric Pb(Fe1/2Nb1/2)O3 (PFN) single crystal as well as of PFN ceramics and nanopowder have been measured. The relation between the chemical disorder and the local magnetic structure has been determined. The data show the occurrence of an antiferromagnetic (AFM) phase transition at 145 and 135 K in both single crystal and ceramic samples, respectively. The AFM phase transition is however essentially smeared out in the nanopowder. Two different Nb sites exist which have different local magnetic fields which are essentialy distributed in value. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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