Reports the synthesis and characteristics of a new high-entropy superconductor, indicating its unique features.
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.
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Denishchenko et al. (2025) studied this question.
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