R.J. Von Gutfeld, D.R. Vigliotti, et al.
CLEO 1984
Results of heat-pulse measurements between 4 and 54°K are reported for sapphire and show that the propagation is ballistic below 18°K and diffusive above 40°K. In the intermediate range, the propagation is a superposition of the two. © 1966 The American Physical Society.
R.J. Von Gutfeld, D.R. Vigliotti, et al.
CLEO 1984
R.J. Von Gutfeld, D.R. Vigliotti, et al.
Applied Physics Letters
K.M. Kim, S.N. Mei, et al.
Applied Physics Letters
M. Datta, L. Romankiw, et al.
Applied Physics Letters