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Magnetic Susceptibility Calculation of Zn<sub>1‐x</sub>Mn<sub>x</sub>S by the Nearest‐Neighbour Isolated Cluster Model

Vojislav Spasojević“Boris Kidric” Institute of Nuclear Sciences, Laboratory of Theoretical Physics and Solid State Physics, BelgradeA. BajorekInstitute of Nuclear Physics, CracowA. SzytułaInstitute of Physics, Jagellonian University, CracowW. GiriatCentro di Fisica, Instituto Venezolano de Investigaciones Cientificas (IVIC), Caracas, VenezuelaDragana Mitić“Boris Kidric” Institute of Nuclear Sciences, Laboratory of Theoretical Physics and Solid State Physics, Belgrade

physica status solidi (b)journal1991en

ABI

Annotatsiya

Abstract Magnetic susceptibility of semimagnetic semiconductor Zn 1‐x Mn x S (x = 0.05, 0.10) is measured by the Faraday method. Starting from the isolated cluster model in the nearest‐neighbour approximation, and from the random distribution of Mn 2+ ions, the temperature dependence is calculated of the magnetic susceptibility of Zn 1‐x Mn x S. By comparing these results with experimental χ (T) data, good agreement is obtained only for lower concentration x = 0.05. Treating the probabilities of finding the Mn 2+ ions as singles, pairs, or triplets as adjustable parameters (modified distribution), quantitative agreement is obtained for both concentrations. Probabilities for every type of cluster, in both distributions, are given. The results show an enhancement of the clusterisation when the concentration x increases.

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Mavzular

Semiconductor Quantum Structures and Devices Quantum Dots Synthesis And Properties Chalcogenide Semiconductor Thin Films

Identifikatorlar

DOI: 10.1002/pssb.2221650226

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