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Revista mexicana de física
Print version ISSN 0035-001X
Abstract
COLIN, A.. Measurements of thermal conductivity in a crystal quartz substrate at 1.4 K. Rev. mex. fis. [online]. 2013, vol.59, n.3, pp.270-272. ISSN 0035-001X.
We carried out measurements of thermal conductivity in a crystal quartz substrate (900 ¡m thick) at temperatures of 1.4 K by using a pumped 4He cryostat. We applied a varied input power from 0.1 up to 1 mW to the heater placed at the end of the substrate, and we observed that the measured data give a temperature dependence of k = 0.12T2.7 W/cm-K.
Keywords : Thermal conductivity; crystal quartz.
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