Ideal thermal conductivity of Pd and Nb
Conference
·
OSTI ID:5656984
We have calculated the electron-phonon contribution to the thermal conductivity of Pd and Nb. The Boltzmann equation describes the electronic distribution function in the presence of a thermal gradient. We solved the Boltzmann equation within the rigid-muffin-tin approximation, using a very dense mesh of first-principles, Korringa-Kohn-Rostoker wave vectors on the Fermi surface. Phonon frequencies and polarizations were obtained from Born-von Karman force-constant fits of neutron scattering data. The electron-phonon matrix elements were calculated by using the rigid-muffin-tim approximation. Our calculation is free of adjustable parameters. Agreement with experiment is at the 15% level at room temperature. 18 references, 2 figures.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 5656984
- Report Number(s):
- CONF-791134-14; ON: DE84003375
- Country of Publication:
- United States
- Language:
- English
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