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The thermal conductivity of α-plutonium between 3 and 100 K

The thermal conductivity of α-plutonium between 3 and 100 K The thermal conductivity of α-plutonium has been measured over the range 3–100 K. For the highest purity material (∼50 ppm metallic impurities) a small peak in the conductivity is seen at ∼10 K, followed by a shallow minimum at 40 K. The maximum measured conductivity is 34.3 mW/K cm at 100 K. A decrease in conductivity occurs at low temperatures as a result of radioactive self-damage, which saturates with an exponential dependence. It is shown that most of the heat conduction is by phonons, electronic thermal conduction being small but rising with temperature. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Low Temperature Physics Springer Journals

The thermal conductivity of α-plutonium between 3 and 100 K

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References (14)

Publisher
Springer Journals
Copyright
Copyright
Subject
Physics; Condensed Matter Physics; Characterization and Evaluation of Materials; Magnetism, Magnetic Materials
ISSN
0022-2291
eISSN
1573-7357
DOI
10.1007/BF01141618
Publisher site
See Article on Publisher Site

Abstract

The thermal conductivity of α-plutonium has been measured over the range 3–100 K. For the highest purity material (∼50 ppm metallic impurities) a small peak in the conductivity is seen at ∼10 K, followed by a shallow minimum at 40 K. The maximum measured conductivity is 34.3 mW/K cm at 100 K. A decrease in conductivity occurs at low temperatures as a result of radioactive self-damage, which saturates with an exponential dependence. It is shown that most of the heat conduction is by phonons, electronic thermal conduction being small but rising with temperature.

Journal

Journal of Low Temperature PhysicsSpringer Journals

Published: Jan 27, 2005

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