Interplay Between Superconductivity and Magnetism in Cu-Doped FeSe Under Pressure

Superconductivity in iron selenide is very sensitive to any dopants at levels of only a few percent. Here, we demonstrate how iron substitution by copper destroys superconductivity in FeSe, and argue why superconductivity reemerges under pressure. Detailed Mössbauer spectroscopy studies on 57 Fe-enr...

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Veröffentlicht in:	Journal of superconductivity and novel magnetism 2018-03, Vol.31 (3), p.763-769
Hauptverfasser:	Shylin, Sergii I., Ksenofontov, Vadim, Naumov, Pavel G., Medvedev, Sergey A., Felser, Claudia
Format:	Artikel
Sprache:	eng
Schlagworte:	Characterization and Evaluation of Materials Condensed Matter Physics CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY COPPER COPPER SELENIDES DOPED MATERIALS ELECTRIC FIELDS IRON IRON 57 IRON SELENIDES Magnetic Materials MAGNETIC MOMENTS MAGNETISM MAGNETIZATION MOESSBAUER SPECTROMETERS Original Paper PHASE TRANSFORMATIONS Physics Physics and Astronomy PRESSURE RANGE GIGA PA Strongly Correlated Systems SUPERCONDUCTIVITY TEMPERATURE RANGE 0065-0273 K
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