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Abstract <p>We report on synthesis of a polycrystalline high-entropy iron-based superconductor (Na<sub>0.2</sub>K<sub>0.2</sub>Rb<sub>0.2</sub>Sr<sub>0.2</sub>Ba<sub>0.2</sub>)Fe<sub>2</sub>As<sub>2</sub> by mechanical alloying. The phase composition is confirmed by X-ray diffraction. The superconducting transition temperature is found to be 10.8 K, and according to magnetic measurements, only one superconducting phase is present in the sample.</p>

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Novel High-Entropy Superconductor (Na0.2K0.2Rb0.2Sr0.2Ba0.2)Fe2As2

  • 期刊论文

  • 发表日期：

    2025年12月1日

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

摘要

Abstract

We report on synthesis of a polycrystalline high-entropy iron-based superconductor (Na0.2K0.2Rb0.2Sr0.2Ba0.2)Fe2As2 by mechanical alloying. The phase composition is confirmed by X-ray diffraction. The superconducting transition temperature is found to be 10.8 K, and according to magnetic measurements, only one superconducting phase is present in the sample.