PT Unknown
AU Sergeev, AV
   Livanov, DV
TI Phonon renormalization of thermoelectric power of high-T[sub:c] materials
SE Phonon Scattering in Condensed Matter VII. Springer Series in Solid-State Sciences
PY 1993
BP 204
EP 205
VL 112
DI 10.1007/978-3-642-84888-9_81
DE HTS; YBCO
AB Renormalization of thermoelectric power due to Nielsen — Taylor effect (interference between electron-phonon and electron- impurity interactions) is used for the explanation of the temperature dependence and sign of the thermopower in high-Tc materials. In the framework of the model the negative sign of TEP of untwinned YBa2Cu3O7−x crystal in a-direction observed by Howson et. al. is connected to the strong hole scattering via O-vacancies in chains.
ER