Magnetization measurements have been carried out on Pb doped Bi2SrzCa2Cu30 ~ (Bi-2223) whiskers with the applied field parallel to the c-axis. The temperature dependence of the first flux penetration field Hp can be approximated by Hp(T) = Hp(0)[1 -(T/Tc) 2 ] in the region T> 50 K, while it increase
Critical field and specific heat of superconducting Tl-Pb-Bi alloys
β Scribed by J. M. Daams; J. P. Carbotte; R. Baquero
- Publisher
- Springer US
- Year
- 1979
- Tongue
- English
- Weight
- 349 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0022-2291
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β¦ Synopsis
The Eliashberg kernels a 2 (w)F(to) obtained from tunne6ng experiments for a series of weak to strong coupling TI-Pb-Bi alloys are used to calculate numerically on the imaginary axis the thermodynamic properties of these alloys in the superconducting state. The functional derivatives of Tc and Hc with respect to changes in the kernel are also calculated.
π SIMILAR VOLUMES
From the solution of the Eliashberg equations on the imaginary axis, the thermodynamic properties, specific heat, and critical magnetic field of PdH(D) have been calculated. The Eliashberg kernels a2(to)F(oo) were constructed using a published value of ae(to), and F(to) was obtained from inelastic n