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Superconducting Properties of F e S e 0.5 T e 0.5 Under High Pressure

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Abstract

This work reports studies performed in the superconducting compound F e S e 0.5 T e 0.5 under high pressure. Changes were observed in the transition temperature, superconducting critical fields, anomalous variations in the Meissner fraction, and in Ginzburg Landau parameters. The superconducting properties were calculated and compared using the Werthamer-Helfand-Hohenber approximation and Ginzburg-Landau theory. Hydrostatic pressure was produced from atmospheric to 823 MPa, the increment in the critical temperature was from 14.45 to 20.5 K at a rate of change about 0.0069 K/MPa.

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Acknowledgments

EM acknowledge financial support of a scholarship given by CONACYT and PCeIM-UNAM. Also, we thanks to DGAPA-UNAM project IN106014.

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Authors and Affiliations

  1. Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, A. Postal 70-360, México, DF, 04510, México

    Esmeralda Martínez-Piñeiro & Roberto Escudero

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  1. Esmeralda Martínez-Piñeiro
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  2. Roberto Escudero
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Correspondence to Roberto Escudero.

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Martínez-Piñeiro, E., Escudero, R. Superconducting Properties of F e S e 0.5 T e 0.5 Under High Pressure. J Supercond Nov Magn 29, 891–896 (2016). https://doi.org/10.1007/s10948-015-3363-4

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  • DOI: https://doi.org/10.1007/s10948-015-3363-4

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