1989 (v1)
Publication
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Uploaded on: December 5, 2022
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2003 (v1)Publication
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Uploaded on: March 25, 2023 -
2009 (v1)Publication
We measure magnetotransport of F-doped SmFeAsO samples up to 28 T and we extract the upper critical fields, using different criteria. In order to circumvent the problem of criterion-dependent Hc2 values, we suggest a thermodynamic estimation of the upper critical field slope dHc2 /dT based on the analysis of conductivity fluctuations in the...
Uploaded on: May 11, 2023 -
2008 (v1)Publication
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Uploaded on: March 31, 2023 -
2004 (v1)Publication
We have studied the upper critical field Bc2 in polycrystalline MgB2 samples in which disorder was varied in a controlled way to carry selectively p and s bands from clean to dirty limit. We have found that the clean regime survives when p bands are dirty and s bands are midway between clean and dirty. In this framework we can explain the...
Uploaded on: March 31, 2023 -
2008 (v1)Publication
We report magnetoresistance ( MR) measurements on MgB2 and the corresponding full account from ab initio calculations; we suggest that this combination can be a useful tool to probe electron-phonon coupling. We obtain good quantitative agreement between high-field measurements on neutron-irradiated epitaxial thin films and calculations within...
Uploaded on: March 31, 2023