Pf. Mcbrien et al., Measurements of the dielectric properties of strontium titanate at submillimetre wavelengths using Josephson junction driven oscillators, SUPERCOND S, 12(11), 1999, pp. 819-822
Measurements of the dielectric constant ER Of thin-film SrTiO3 made using J
osephson junction driven oscillators are reported. ER for a 100 nm SrTiO3 f
ilm was found to vary between 120 and 245 in the temperature range from 4.2
K to 65 K and to be independent of frequency from 50 GHz to 340 GHz.