Thermal Conductivity and Thermal Diffusivity of Selected Oxide Single Crystals
A Stanimirovic, N M. Balzaretti, A Feldman, J Graebner
Values for the thermal conductivity k and the thermal diffusivity D of four oxide single crystals have been obtained. Near room temperature the values are: LaAlO3, k = 0.115 Wcm-1K-1, D = 0.0446 cm2s-1., NdGaO3, k = 0.068 Wcm-1K-1, D=0.0197 cm2s-1 for one structural orientation, and k = 0.059 Wcm-1K-1, D=0.0195 cm2s-1 for an orthogonal orientation; (LaAlO3)0.3-SrAl0.5Ta0.5O3, k=0.051 W cm-1K-1, D=0.0133 cm2 s-1 , and, ScAlMgO4, k=0.062 W cm-1K-1, D=0.229 cm2 s-1. The uncertainties in these values are 10%. These values allow us to calculate the specific heat of the materials. The thermal conductivity was measured by a dc heated bar method and the thermal diffusivity by a modification of Angstrom's method.
, Balzaretti, N.
, Feldman, A.
and Graebner, J.
Thermal Conductivity and Thermal Diffusivity of Selected Oxide Single Crystals, Journal of Materials Research
(Accessed May 28, 2023)