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Abstract <p>We synthesized by mechanical alloying high-quality polycrystalline samples of CaRbFe<sub>4</sub>As<sub>4</sub> and EuCsFe<sub>4</sub>As<sub>4</sub> stoichiometric iron-based superconductors with single phase composition confirmed by XRD phase analysis. The superconducting transition temperatures were 35 and 34 K, and the transition widths were 5.4 and 2.5 K for CaRbFe<sub>4</sub>As<sub>4</sub> and EuCsFe<sub>4</sub>As<sub>4</sub>, respectively. According to our magnetic measurements, we found only one superconducting transition in the samples.</p>

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Synthesis of CaRbFe4As4 and EuCsFe4As4 Stoichiometric Superconductors by Mechanical Alloying

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • A. S. Medvedev,
  • A. D. Denishchenko,
  • V. A. Vlasenko,
  • K. S. Pervakov

摘要

Abstract

We synthesized by mechanical alloying high-quality polycrystalline samples of CaRbFe4As4 and EuCsFe4As4 stoichiometric iron-based superconductors with single phase composition confirmed by XRD phase analysis. The superconducting transition temperatures were 35 and 34 K, and the transition widths were 5.4 and 2.5 K for CaRbFe4As4 and EuCsFe4As4, respectively. According to our magnetic measurements, we found only one superconducting transition in the samples.