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Abstract <p>Single crystals of the topologically nontrivial CaSn<sub>2</sub>As<sub>2</sub> compound are grown by the self-flux method in SnAs. The distribution maps of elements on the crystal surface are obtained, and the molar ratio of the elements is calculated. The&#xa0;structural configuration of the compound is determined in the trigonal syngony in the space group <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(R\bar {3}m\)</EquationSource> <!--BullLeb2560399Feshina-m1--> </InlineEquation> with the cell parameters <i>a</i> = 4.1503(13) Å and <i>c</i> = 26.049(11) Å.</p>

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Synthesis and Growth of Single Crystals of a New Topologically Nontrivial Compound CaSn2As2

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • M. A. Feshina,
  • A. S. Medvedev,
  • V. A. Vlasenko,
  • A. I. Shilov,
  • K. S. Pervakov

摘要

Abstract

Single crystals of the topologically nontrivial CaSn2As2 compound are grown by the self-flux method in SnAs. The distribution maps of elements on the crystal surface are obtained, and the molar ratio of the elements is calculated. The structural configuration of the compound is determined in the trigonal syngony in the space group \(R\bar {3}m\) with the cell parameters a = 4.1503(13) Å and c = 26.049(11) Å.