Temperature Dependence of Heat-Pulse Propagation in Sapphire
- 17 October 1966
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 17 (16) , 868-871
- https://doi.org/10.1103/physrevlett.17.868
Abstract
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.Keywords
This publication has 14 references indexed in Scilit:
- Thermal Relaxation of Indium Films on Insulating Substrates between 4° and 300°KJournal of Applied Physics, 1966
- Thermal Conductivity, Second Sound, and Phonon Hydrodynamic Phenomena in Nonmetallic CrystalsPhysical Review B, 1966
- Heat pulses at low temperaturesPhysics Letters, 1966
- Second Sound in Solid HeliumPhysical Review Letters, 1966
- Thermal microwave phononsProceedings of the IEEE, 1966
- Transport of Heat from Metals to Insulators at Low TemperaturesPhysical Review B, 1966
- Behavior of Coherent Microwave Phonons at Low Temperatures inUsing Vapor-Deposited Thin-Film Piezoelectric TransducersPhysical Review B, 1965
- Heat Pulses in Quartz and Sapphire at Low TemperaturesPhysical Review Letters, 1964
- On the Mutual Interaction of Parallel PhononsProceedings of the Physical Society, 1963
- Isotopes and Heat ConductivityZeitschrift für Physikalische Chemie, 1958