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Scanning tunneling spectroscopy on neutron irradiated MgB2 thin films

✍ Scribed by Roberto Di Capua; Marco Salluzzo; Ruggero Vaglio; Carlo Ferdeghini; Valeria Ferrando; Marina Putti; Xiaoxing Xi; Hans U. Aebersold

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 181 KB
Volume: 460-462
Category: Article
ISSN: 0921-4534
DOI: 10.1016/j.physc.2007.04.106

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✦ Synopsis

Neutron irradiation was performed on MgB 2 thin films grown by hybrid physical chemical vapor deposition. Samples irradiated with different neutron fluences, having different critical temperatures, were studied by scanning tunneling spectroscopy in order to investigate the effect of the introduced disorder on the superconducting and spectroscopic properties. A monotonic increase of the p gap with increasing disorder was found.

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