Thermoelectric power and thermal conductivity of neutron-irradiated
- 1 August 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 40 (4) , 2694-2697
- https://doi.org/10.1103/physrevb.40.2694
Abstract
Thermoelectric power and thermal conductivity have been measured as a function of temperature on ceramic exposed to fast-neutron fluences of up to 6× n. Irradiation causes large changes in the magnitude and temperature variation of the thermopower and, for the highest doses, results in a complete suppression of the peak in thermal conductivity that is characteristic of the nonirradiated 1:2:3 superconducting ceramics below . The likely physical origin of the changes are the defects created in the structure by fast neutrons that drastically limit the mean-free path of phonons and the charge carriers.
Keywords
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