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Thermal conductivity of high temperature superconductor substrate materials: Lanthanum aluminate and neodymium aluminate

Published online by Cambridge University Press:  31 January 2011

Donald T. Morelli
Affiliation:
Physics Department, General Motors Research and Environmental Staff, Warren, Michigan 48090-9055
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Abstract

The thermal conductivities of LaAlO3 and NdAlO3 have been measured for the first time between 10 and 300 K. These substrates can be classified as intermediate thermal conductors. The measured room temperature values of 9 W m−1 K−1 for LaAlO3 and 7.5 W m−1 K−1 for NdAlO3 are close to those predicted from the crystal structure of these materials, despite the fact that the crystals are twinned.

Type
Articles
Copyright
Copyright © Materials Research Society 1992

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