MAGNETIC ANOMALY IN SUPERCONDUCTING FeSe
D. Mendoza, J.L. Benitez, F. Morales, and R. Escudero
TL;DR
This paper reports on the synthesis and magnetic characterization of superconducting FeSe0.85, highlighting a magnetic anomaly near 90K and discussing its origins in impurities and secondary phases.
Contribution
It provides detailed magnetic analysis of FeSe0.85 and commercial FeSe, revealing the nature of magnetic anomalies and their relation to impurities and secondary phases.
Findings
Magnetic anomaly observed around 90K in FeSe0.85
Magnetic behaviors linked to impurities and secondary phases
Comparison between synthesized and commercial FeSe
Abstract
Synthesis, electrical and magnetic characterization of superconducting FeSe0.85 compound is reported. An anomaly in the magnetization against temperature around 90K is observed. Magnetic characterization of a commercial compound with nominal FeSe stoichiometry is also presented. The overall magnetic behaviors as well as the magnetic anomaly in both compounds are discussed in terms of magnetic impurities and secondary phases. Keyword: A. Superconductors
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