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Effect of long aging on the resistivity properties of optimally doped YBa2Cu3O7−δ single crystals.
- Source :
-
Solid State Communications . Sep2013, Vol. 170, p6-9. 4p. - Publication Year :
- 2013
-
Abstract
- Abstract: We investigate the conducting properties in the basal ab-plane before and after a long time exposure in air atmosphere of the optimally oxygen doped YBa2Cu3O7−δ single crystals. Prolonged exposure leads to an increase of the effective scattering centers of the normal carriers. The excess conductivity in a wide temperature range has exponential temperature dependence and near the critical temperature is well described within the Aslamazov–Larkin theoretical model. The prolonged exposure increases to a great extent the temperature range of the implementation of the pseudogap state, narrowing the linear section of the temperature dependence of the resistivity in the ab-plane, ρ ab(Т). [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 00381098
- Volume :
- 170
- Database :
- Academic Search Index
- Journal :
- Solid State Communications
- Publication Type :
- Academic Journal
- Accession number :
- 90319761
- Full Text :
- https://doi.org/10.1016/j.ssc.2013.07.011