Temperature-dependent electric noise level in different iron-based superconductors
- Barone C.
- Pagano S.
- Bellingeri E.
- Ferdeghini C.
- Adamo M.
- Sarnelli E.
- Kurth F.
- Holzapfel B.
- Iida K.
DOIAbstract
A detailed characterization of the voltage-noise properties has been performed in FeTe0.5Se0.5 epitaxial thin films and Co-doped BaFe2As2 bilayers, deposited by pulsed laser deposition. In all the samples analyzed, the experimental voltage-spectral density has a 1/f noise component. Different behaviors are observed for the bias current and temperature dependencies of this 1/f noise, and are related to specific structural and electric transport properties of the two materials
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