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Thermal conductivity of YBa2Cu3O7 from 7 K to 260 K
Published in
Volume: 39
Issue: 2
Pages: 109 - 116
Thermal conductivity of YBa2Cu3O7 has been measured on samples of a few mm thickness. Above Tc thermal conductivity is found to decrease with increase in temperature, pointing towards a contribution to thermal resistivity from three-phonon Umklapp processes. Below Tc thermal conductivity increases rapidly before reaching a maximum at about 50 K and then falls towards zero at lower temperatures. The experimental set up is described and results discussed. © 1992, the Indian Academy of Sciences. All rights reserved.
About the journal
JournalPramana: Journal of Physics
Open AccessNo