Hall effect and thermoelectric power of an YBa2Cu3O6.8 single crystal

Synthesis and characterization of Er-substituted Bi-2223 H-Tc glass–ceramic superconductors

“…As explained by several research groups, the temperature dependence of S of high-T c superconducting systems is similar to that of mixed valance and heavy Fermion system [20,57,61].…”

“…Forro et al [20,61] have tried to fit their single crystal Bi-2212 data using the formula explained by Gottwick et al [62]:…”

“…But, no consensus has been attained among the models developed. Some models have been particularly used for high-T c BSCCO materials, which are: two band model with linear T-term [20]; Nagosa-Lee model [21]; phenomenological narrow band model [22]; Xin's two band model [23]; three-state model [24]; and Hubbard-Hamiltonian model [25].…”

Effect of Mo substitution on the structural and transport properties of Bi2Sr2Ca2Cu3−xMoxO10+y system

“…Recent investigations on the temperature dependence of S of the HT c systems show a similarity to that of mixed valent heavy fermion systems [26,66]. For the S investigations of such systems can be made using the formula explained by Gottwick et al [67]:…”

“…But unfortunately no consensus has been obtained among the models developed. Some models have been particularly used for BSCCO system, which are: phenomenological narrow band model [24], Nagosa-Lee model [25], Two band model with linear T term [26], Xin's two band model [27], Hubbard-Hamiltonian model [28] and three-state model [29].…”