P. A. Popov, D. A. Vinnik, S. A. Archugov, G. G. Mikhailov, L. S. Mashkovtseva, V. D. Solomennik, “Termal conductivity of monocrystals $\mathrm{Al_2O_3}$ doped with $\mathrm{Cr}$, $\mathrm{V}$ and $\mathrm{Ti}$ in the temperature range $\mathrm{50}$–$\mathrm{300}$ K”, Vestn. Yuzhno-Ural. Gos. Un-ta. Ser. Matem. Mekh. Fiz., 2011, Issue 4,Pages 102

Physics

Termal conductivity of monocrystals $\mathrm{Al_2O_3}$ doped with $\mathrm{Cr}$, $\mathrm{V}$ and $\mathrm{Ti}$ in the temperature range $\mathrm{50}$–$\mathrm{300}$ K

P. A. Popov^a, D. A. Vinnik^b, S. A. Archugov^b, G. G. Mikhailov, L. S. Mashkovtseva^b, V. D. Solomennik^a

^a Bryansk State University
^b South Ural State University

Abstract: Thermal conductivity of corundum samples with different admixtures: $0,15$ at.$\% \mathrm{V}$, $0,5$ at.$\% \mathrm{Ti}$, $1,0$, $1,25$ and $1,5$ at.$\% \mathrm{Cr}$ was analysed. Thermal conductivity of a crystal with $\mathrm{Ti}$ admixture was one for crystal with significant structure imperfection.

Keywords: monocrystals, corundum, thermal conductivity, phonons.

UDC: 536.21

Received: 09.11.2010