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Thermal properties of MgB2: the effect of disorder on gap amplitudes and relaxation times of $\pi$ and $\sigma$ bands
We present thermal conductivity and specific heat measurements on MgB2 and Mg-AlB2 samples. Thermal properties have been analysed by using a two-gap model in order to estimate the gap amplitudes, D(0)p and D(0)s and the intra-band scattering rates, Gss and Gpp. As a function of Al doping and disorde...
| Autores principales: | , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2003
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/620271 |