Magnetic and thermodynamic properties of ferrimagnetic cyclic clusters and infinite chains with alternating spins of the [s-S]n Type: s = 1/2 and S = 3/2–7/2 |
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| Authors: | Yu V Rakitin O R Starodub V M Rakitina V T Kalinnikov V M Novotortsev |
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| Institution: | (1) Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Research Center, Russian Academy of Sciences, ul. Fersmana 14, Apatity, Murmansk oblast, 184200, Russia;(2) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia |
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| Abstract: | Based on the method considering spin and spatial symmetry, numerical calculations of spin-level spectra have been performed for cyclic clusters and infinite chains with alternating spins of the s-S]n type, where s = 1/2 and S = 3/2–7/2. The temperature dependences of internal energy and magnetic susceptibility for ferrimagnetic systems of this type have been determined. The curves of the magnetic susceptibility as a function of temperature have been extrapolated to n → ∞. The theoretical curves are compared with experimental data. |
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