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Abstract <p>Single crystals of solid solutions based on the layered semiconductor compound TlInS<sub>2</sub> were grown with the addition of transition metals chromium and gold at concentrations up to 1 mol %, and their X-ray diffraction patterns were obtained. These crystals have the same space groups and similar lattice parameters, although a slight decrease in the <b>c</b> parameter is observed. Thus, the TlInS<sub>2</sub>〈Cr〉 and TlInS<sub>2</sub>〈Au〉 crystals belong to the monoclinic phase and are isostructural with the TlInS<sub>2</sub> crystal. The optical absorption edge of the obtained TlInS<sub>2</sub>〈Cr〉, TlInS<sub>2</sub>〈Au〉 solid solutions was studied in the temperature range of 100–300&#xa0;K. The temperature dependence of the bandgap energy of these compounds was determined.</p>

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Influence of Doping of TlInS2 Crystals with Cr and Au Transition Metals on Their Optical Absorption Edge

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • P. H. Ismayilova,
  • N. Z. Gasanov,
  • A. A. Hajiyeva

摘要

Abstract

Single crystals of solid solutions based on the layered semiconductor compound TlInS2 were grown with the addition of transition metals chromium and gold at concentrations up to 1 mol %, and their X-ray diffraction patterns were obtained. These crystals have the same space groups and similar lattice parameters, although a slight decrease in the c parameter is observed. Thus, the TlInS2〈Cr〉 and TlInS2〈Au〉 crystals belong to the monoclinic phase and are isostructural with the TlInS2 crystal. The optical absorption edge of the obtained TlInS2〈Cr〉, TlInS2〈Au〉 solid solutions was studied in the temperature range of 100–300 K. The temperature dependence of the bandgap energy of these compounds was determined.