Phonon Avalanche in Ce-Doped Lanthanum Magnesium Double Nitrate. Measurement of the Phonon Lifetime and of the Acoustic Spectrum
- 30 June 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 22 (26) , 1430-1432
- https://doi.org/10.1103/physrevlett.22.1430
Abstract
We have investigated the phonon avalanche in Ce-doped lanthanum magnesium double nitrate using pulsed microwave and pulsed magnetic-field techniques. In these experiments we have been able to determine the lifetime of the avalanche phonons and to obtain some evidence for coherence in the spin-phonon interaction.Keywords
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