Polarization Echoes and Long-Time Storage in Piezoelectric Powders
- 12 April 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 36 (15), 888-891
- https://doi.org/10.1103/physrevlett.36.888
Abstract
Two- and three-pulse polarization echoes are detected in powders of mechanically resonant particles of piezoelectric materials. Under some conditions the decay time of the three-pulse echo can be of order one day or longer. A model for the echo formation and long decay time based upon the torque exerted on an oscillating dipole by an applied rf field is described.Keywords
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