Electronic Properties of High-Temperature Superconductor DyBa2Cu3O7 from Critical Fields and Specific Heat Studies |
| A. Kołodziejczyk, A. Kozłowski, J. Chmist, R. Zalecki, T. Ściężor, Z. Tarnawski, and W.M. Woch Department of Solid State Physics, Academy of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Kraków, Poland |
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| The lower and upper critical fields, as well as the specific heat were measured as a function of temperature for good quality DyBa2Cu3O7 high-temperature superconductor in the vicinity of superconducting transition temperature Tc = 91.2 K. The number of superconducting and normal state electronic quantities were determined basing on the Ginzburg-Landau-Abrikosov-Gorkov theory. It is argued that on the basis of this BCS-like theory one can describe the superconducting properties and, in combination with some information on the electronic structure, also the magnetic properties of high-temperature superconductors. |
| DOI: 10.12693/APhysPolA.84.127 PACS numbers: 74.70.-b, 76.30.-v |