Neutron irradiation effects on two gaps in MgB2
| Autor: | V. Ferrando, M. Putti, Marco Affronte, R. Di Capua, Dario Daghero, Chiara Tarantini |
|---|---|
| Přispěvatelé: | Ferrando, V, Affronte, M., Daghero, D., DI CAPUA, Roberto, Tarantini, C., Putti, M. |
| Jazyk: | angličtina |
| Rok vydání: | 2007 |
| Předmět: |
Neutron irradiation
NONMAGNETIC IMPURITIES Materials science Specific heat Scattering Two-gap behavior OVERLAPPING BANDS superconductivity Tunnelling spectroscopy Magnesium diboride Energy Engineering and Power Technology Function (mathematics) HEAT Condensed Matter Physics Molecular physics Electronic Optical and Magnetic Materials Magnesium diboride Neutron irradiation Two-gap behavior Point contact Nuclear magnetic resonance THIN-FILMS Electrical and Electronic Engineering Spectroscopy |
| Zdroj: | Physica. C, Superconductivity 456 (2007): 144–152. doi:10.1016/j.physc.2007.01.016 info:cnr-pdr/source/autori:Ferrando, V; Affronte, M; Daghero, D; Di Capua, R; Tarantini, C; Putti, M/titolo:Neutron irradiation effects on two gaps in MgB2/doi:10.1016%2Fj.physc.2007.01.016/rivista:Physica. C, Superconductivity (Print)/anno:2007/pagina_da:144/pagina_a:152/intervallo_pagine:144–152/volume:456 |
| Popis: | In this paper, an overview of the gaps behaviour as a function of disorder in neutron-irradiated samples is presented. The general effects of neutron irradiation is discussed and, by comparing the different experiments performed in literature, we show that this technique is very effective to introduce disorder in a controlled way in MgB2. Then, the three experiments that allowed determining the two gaps, i.e. specific heat, point contact spectroscopy and scanning tunnelling spectroscopy measurements are analysed and compared, and the role of interband scattering is discussed. (c) 2007 Published by Elsevier B.V. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|