Electron–phonon interaction in Gd1- xCaxBaSrCu3O7-8 superconductors

• Main Authors: Chong, T.V., Kambe, S., Kawaji, H., Atake, T., Ishii, O.
• Format: Article
• Language: English
• Published: Elsevier 2012
• Subjects: QC Physics
• Online Access: http://eprints.intimal.edu.my/1210/1/Electron%E2%80%93phonon.pdf; http://eprints.intimal.edu.my/1210/; https://doi.org/10.1016/j.tca.2010.11.032

Polycrystalline Gd1−xCaxBaSrCu3O7−ı samples (0 ≤ x ≤ 0.1) were prepared via solid-state reaction. The superconducting critical temperature Tc and lattice parameter decrease with doping content. Temperature dependence of the specific heat of all samples was measured with the thermal relaxation...