Abstract
Echoes, following an rf pulse sequence, which originate from excitation and refocusing of elastic modes in powders of various metals were observed in a 10–100 MHz frequency range. The echoes from ferromagnetic and normal metals have many identical properties; differences between them are due to different excitation mechanisms. The experimental evidence suggests that in all cases the echo is formed by refocusing of single particle resonance modes.
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
11 articles.
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