Low temperature magnetocaloric effects in Dy1Ba2Cu3O7−δ and Y1Ba2Cu3O7−δ high-Tc single crystals
✍ Scribed by A. Nittke; P. Esquinazi; W. Widder; H.F. Braun
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 600 KB
- Volume
- 260
- Category
- Article
- ISSN
- 0921-4534
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The concentration dependence of the transition temperature T c has been studied in the high-T c compounds (Y~ xTlx)-Ba2Cu307 y, Y(Ba 1 xKx)2Cu307 y and YBa2(Cu I xMg~)307 y. In the TI-compound, the results show little effect on T C. In the K-compound, T~ gradually drops with increasing K concentrati
The rounding effects above the superconducting transition of the electrical resistivity and of the magnetic susceptibility in low magnetics fields have been measured in the same YBa2Cu307-8 (YBCO) single crystals. When analyzed in terms of independent gaussian fluctuations of the superconducting ord