We present an analysis of the far-and mid-infrared conductivity of YBa2Cu30,\_, We suppose that two types of low-lying electronic excitations in high-T, superconductors are present, namely mobile quasi holes in the Cu02 planes and almost localized doping electron states in the CuOp chains. We explai
Conductivity below Tc in high-temperature superconductors
β Scribed by C.T. Rieck; W.A. Little; J. Ruvalds; A. Virosztek
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 108 KB
- Volume
- 194-196
- Category
- Article
- ISSN
- 0921-4526
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The electromagnetic surface impedance of single crystal high-T, superconductors has been examined within the framework of the two-fluid model and the hypothesis that the em field modulates the partial concentrations of both normal and condensate fluids. A comparison with experimental data is reporte
The thermal conductivity K(T) of polycrystalline YBa2(Cu ~ xNx)307 with N=Zn and AI (0~<x~<0.1) and YI yMyBa2Cu307 with M = Pr and Gd (0 ~< y ~< 1.0) has been measured for temperatures 1.2 ~< T ~< 200 K. In the undoped samples, K(T) decreases slightly with decreasing temperature above To, with a str