Awad R.; Abou-Aly A.I.; Isber S.; Malaeb W.
(OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2008)
Specific heat and thermopower measurements are carried out for a series of high-temperature superconductor samples of type TlBa2 Ca2 - x Nax Cu3 O9 - δ with 0 ≤ x ≤ 0.4. The thermopower coefficient is measured as a function ...