Thermopower of Cuprate Superconductors under Hydrostatic Pressure. Zhou, J. S. & Goodenough, J. B. Physical Review Letters, 77(1):151–154, 1996.
Paper doi abstract bibtex Measurements of thermopower versus temperature under hydrostatic pressure are reported for La2-xSrxCuO4 having no charge reservoir and the underdoped YBa2Cu3O7-δ, which we demonstrate to have a pressure-induced electron transfer from the CuO2 sheets to the Cu(1)O1-δ reservoir planes. The CuO2 sheets exhibit a thermopower α(T) = α0+δα(T) in which α≈α0 at room temperature decreases with increasing hole concentration, and δα(T) is an enhancement having a maximum at Tmax = 100–140 K. Correlation between dTc/dP and d(δα)/dP are discussed.
@article{zhou_thermopower_1996,
title = {Thermopower of {Cuprate} {Superconductors} under {Hydrostatic} {Pressure}},
volume = {77},
url = {http://dx.doi.org/10.1103/physrevlett.77.151},
doi = {10.1103/physrevlett.77.151},
abstract = {Measurements of thermopower versus temperature under hydrostatic pressure are reported for La2-xSrxCuO4 having no charge reservoir and the underdoped YBa2Cu3O7-δ, which we demonstrate to have a pressure-induced electron transfer from the CuO2 sheets to the Cu(1)O1-δ reservoir planes. The CuO2 sheets exhibit a thermopower α(T) = α0+δα(T) in which α≈α0 at room temperature decreases with increasing hole concentration, and δα(T) is an enhancement having a maximum at Tmax = 100–140 K. Correlation between dTc/dP and d(δα)/dP are discussed.},
number = {1},
journal = {Physical Review Letters},
author = {Zhou, J. S. and Goodenough, J. B.},
year = {1996},
pages = {151--154}
}
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