Magneto-Optical Properties of CdMnTe Diluted Magnetic Semiconductor Nanoparticles Prepared by Physical Methods

Array

Authors

  • І.D. Stolyarchuk Yuriy Fedkovich’ Chernivtsi National University

DOI:

https://doi.org/10.15330/pcss.16.2.297-301

Keywords:

Cd1-xMnxTe, diluted magnetic semiconductor, nanoparticle, nanocrystal, absorption, photoluminescence, Zeeman effect

Abstract

Nanoparticles of Cd1-xMnxTe have been studied by optical absorption and photoluminescence in applied magnetic field. The pulsed laser deposition technique and ball milling were used for fabrication of the samples of diluted magnetic semiconductor nanocrystals. The performed transmission electron microscopy (TEM) analysis suggests of spherical shape of nanostructures. In optical absorption spectra of the Cd1-xMnxTe nanoparticles short wavelength shift of the absorption edge due to confinement effect has been observed.  In magnetic field shifts of the absorption spectra and maximum of the peak of photoluminescence towards long wavelength was observed due to the strong spin-exchange interaction between band carriers and magnetic ions. The linear magnetic field dependence of the Zeeman shifts of the maximum of photoluminescence for nanoparticles with low mangan content suggest of increase of the role pairs and antiferromagnetic interaction between Mn2+ ions

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Published

2015-06-15

How to Cite

Stolyarchuk І. (2015). Magneto-Optical Properties of CdMnTe Diluted Magnetic Semiconductor Nanoparticles Prepared by Physical Methods: Array. Physics and Chemistry of Solid State, 16(2), 297–301. https://doi.org/10.15330/pcss.16.2.297-301

Issue

Section

Scientific articles