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  Wärmeleitung abschreckend kondensierter Bleischichten

Hilsch, R., & Steglich, F. (1969). Wärmeleitung abschreckend kondensierter Bleischichten. Zeitschrift für Physik, 226(2), 182-210. doi:10.1007/BF01392021.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-BF43-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-BF44-2
Genre: Journal Article

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 Creators:
Hilsch, R.1, Author
Steglich, F.2, Author              
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1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: The thermal conductivity of lead containing a large number of structural lattice defects is measured in the temperature range of about 2 to 20 °K. For the first time it is made possible by means of a special technique to investigate quenched films, which have been evaporated on to a cooled substrate in a high vacuum. The thermal conductivity of these films, which is much smaller than that of the bulk material, increases either by annealing or by increasing condensation temperature and film thickness, respectively. For most of the films the heat conduction is shown to be due only to the electrons. Therefore it can be discussed with respect to the validity of Wiedemann-Franz' Law and to deviations from Matthiessen's Rule in the temperature range of small angle scattering between electrons and phonons. The data of the superconducting state can be fitted to the BRT-expression for electronic conduction limited by defect scattering, if an energy gap of 2ɛ 0=(4.20±0.15)kT c is chosen. The very small values of the phonon conductivity, estimated for the films with the lowest condensation temperatures, could result from the high concentrations of non-zero dimensional lattice defects, which have been observed earlier in such films.

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 Dates: 1969-02-01
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: ISI: A1969D973800007
DOI: 10.1007/BF01392021
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Title: Zeitschrift für Physik
  Other : Zeitschrift für Physik A Hadrons and Nuclei
Source Genre: Journal
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Publ. Info: Springer-Verlag
Pages: - Volume / Issue: 226 (2) Sequence Number: - Start / End Page: 182 - 210 Identifier: CoNE: /journals/resource/0939-7922