Thermal Properties of a Eutectic InSb + MnSb Composite


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详细

We have studied the thermal conductivity κ(T) and thermal diffusivity a(T) of a eutectic InSb + MnSb composite in the range 80–700 K with the heat flux parallel and perpendicular to MnSb inclusions. The phonon thermal conductivity data have been analyzed in terms of the Holland model. The weaker temperature dependence of thermal conductivity in the range 250–450 K is due to resonance transfer of the energy of ionized impurity states. The observed anisotropy in κ(T) in the range 80–250 K is associated with the scattering of long-wavelength phonons by interfaces. The anomalies in κ(T) and a(T) observed in the phase transition region are due to phonon scattering by magnetic order parameter fluctuations.

作者简介

I. Mamedov

Azerbaijani National Academy of Aviation

Email: rashad@physics.science.az
阿塞拜疆, Bina 25th km, Baku, AZ 1045

D. Arasly

Institute of Physics, Academy of Sciences of Azerbaijan

Email: rashad@physics.science.az
阿塞拜疆, pr. Javida 131, Baku, AZ 1143

A. Khalilova

Institute of Physics, Academy of Sciences of Azerbaijan

Email: rashad@physics.science.az
阿塞拜疆, pr. Javida 131, Baku, AZ 1143

R. Rahimov

Institute of Physics, Academy of Sciences of Azerbaijan

编辑信件的主要联系方式.
Email: rashad@physics.science.az
阿塞拜疆, pr. Javida 131, Baku, AZ 1143

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