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Magnetic susceptibility of Co2+ pairs in [Co-2(ox)tpmc](ClO4)(2)center dot 3H(2)O cluster complex
dc.creator | Spasojević, Vojislav | |
dc.creator | Kusigerski, Vladan | |
dc.creator | Sovilj, Sofija P. | |
dc.creator | Mrozinski, J | |
dc.date.accessioned | 2018-03-01T18:53:48Z | |
dc.date.available | 2018-03-01T18:53:48Z | |
dc.date.issued | 2000 | |
dc.identifier.issn | 0304-8853 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/2377 | |
dc.description.abstract | Calculation of the magnetic susceptibility of Co2+ pairs in the recently synthesized cobaltous cluster complex [Co-2(ox)tpmc](ClO4)(2). 3H(2)O has been conducted by the use of two different theoretical models. The calculated results were compared to the experimental data collected in a wide temperature region. Conclusions on both the magnetic properties of Co2+ dimers and the validity of the proposed models have been drawn. In the temperature region above chi(T) maximum, the best results are obtained with the Heisenberg model that includes spin-orbit coupling and excited single-ion levels. In the low-temperature region anisotropy of the magnetic properties dominates and Ising dimer ground-stare model gives a more appropriate description. Obtained g-values (g(parallel to a) = 5.67, g(parallel to b) = 5.73, and g(perpendicular to) = 1.54) confirm strong Co2+ anisotropy. Each model gives the same value of the intracluster exchange integral J/k(B) approximate to - 14.6 K, within the fitting error. (C) 2000 Elsevier Science B.V. All rights reserved. | en |
dc.rights | restrictedAccess | en |
dc.source | Journal of Magnetism and Magnetic Materials | en |
dc.subject | cobalt complex | en |
dc.subject | magnetic susceptibility | en |
dc.subject | clusters | en |
dc.subject | magnetic properties | en |
dc.title | Magnetic susceptibility of Co2+ pairs in [Co-2(ox)tpmc](ClO4)(2)center dot 3H(2)O cluster complex | en |
dc.type | article | en |
dcterms.abstract | Мрозински, Ј; Совиљ, СП; Спасојевић Војислав; Кусигерски Владан; | |
dc.citation.volume | 219 | |
dc.citation.issue | 3 | |
dc.citation.spage | 269 | |
dc.citation.epage | 274 | |
dc.identifier.wos | 000089365700004 | |
dc.identifier.doi | 10.1016/S0304-8853(00)00021-4 | |
dc.citation.rank | M21 | |
dc.identifier.scopus | 2-s2.0-0034274017 |
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