Foley, Brian M.; Brown-Shaklee, Harlan J.; Duda, John C.; Cheaito, Ramez; Gibbons, Brady J.; Medlin, Doug; Ihlefeld, Jon F.; Hopkins, Patrick E. (American Institute of Physics, 2012-12-03)
We measure the thermal conductivities of nano-grained strontium titanate (ng-SrTiO₃) films deposited on sapphire substrates via time-domain thermoreflectance. The 170 nm thick oxide films of varying grain-size were prepa ...