A permanent echo following a two-pulse write sequence which has been observed from piezoelectric powders is also observed in other types of powders. It is shown that a simple model in which the echo originates from the mechanical alignment of particles is consistent with all known echo properties.
No takes yet. Share an insight, caveat, or question.
Kupča et al. (1976) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: