a simple superconductor?
a simple superconductor?
a simple superconductor?
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FeSe<br />
A key observation is that the clean<br />
superconducting phase exists only<br />
in those samples prepared with<br />
intentional Se deficiency.<br />
• A small magnetic anomaly is<br />
observed at 105 K, which is more<br />
pronounced in the FC<br />
measurements.<br />
• Inset shows the magnetic<br />
hysteresis of the sample<br />
measured at 2 K. It confirms the<br />
superconducting characteristic of<br />
the sample.<br />
ICMR Summer School on Novel Superconductors 2009