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Effect of pressure on magnetic properties of mixed ferroferrimagnet(Ni.sub.0.38./sub.Mn.sub.0.62./sub.).sub.3./sub.[Cr(CN).sub.6./sub.].sub.2./sub..zH.sub.2./sub.O
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SYSNO ASEP 0347867 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Effect of pressure on magnetic properties of mixed ferroferrimagnet(Ni0.38Mn0.62)3[Cr(CN)6]2.zH2O Author(s) Zentková, M. (SK)
Mihalík, M. (SK)
Arnold, Zdeněk (FZU-D) RID, SAI, ORCID
Kamarád, Jiří (FZU-D) RID, ORCIDSource Title Journal of Physics: Conference Series. - : Institute of Physics Publishing - ISSN 1742-6588
Roč. 200, č. 2 (2010), 022074/1-022074/4Number of pages 4 s. Language eng - English Country GB - United Kingdom Keywords magnetization ; compensation temperature ; magnetic field Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects IAA100100632 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z10100521 - FZU-D (2005-2011) DOI 10.1088/1742-6596/200/2/022074 Annotation We present the results of magnetization measurements performed on the ferro–ferrimagnetic Ni0.38Mn0.62)3[Cr(CN)6]2.zH2O molecule–based magnet under pressures up to 0.8 GPa.Both antiferromagnetic JAF and ferromagnetic interaction JF are present in this magnet and temperature dependence of magnetization μ(T) exhibits the compensation temperature Tcomp at which the sign of the magnetization is reversed.Our results indicate that JAF dominates.The Curie temperature TC of the magnet increases with applied pressure, dTC/dp = 10.6 KGPa-1, due to strengthened JAF.The increase of the JAF is attributed to the enhanced value of the single electron overlapping integral S and the energy gap Δ of the mixed molecular orbitals t2g (Mn2+) and t2g (CrIII) induced by pressure. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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