Abstract
In this work, we report the study of Zn1-xNixTe nanocrystals in a glass matrix, synthesized by a new protocol based on the fusion-nucleation method. Optical absorption spectra, analyzed based on the crystalline field theory, confirm the substitutional incorporation of Ni2+ ions in the ZnTe semiconductor lattice with tetrahedral symmetry. Transmission electron microscopy images show invariance in the lattice parameter of these nanocrystals, with the incorporation of Ni2+ ions. Electron paramagnetic resonance spectra display resonance lines that confirm the substitutional incorporation (g = 2.0991) and also the presence of Ni2+ ions at Zn vacancy sites (g ≈ 2.0023) of the ZnTe lattice.
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