Publisher's Synopsis
Excerpt from A Sensitive Recording Nmr Ultrasonic Spectrometer: Nbs Technical Note 344
The first experimental work in measuring the effect of ultrasonic power on the nuclear Spin system in solids used a pulse nmr system. The effect of the ultrasonics on the nuclear spin system was determined by the difference in signal height which was observed on an oscilloscope when the ultrasonic power was present and when it was absent [proctor, and Tanttila, 1956; Proctor and Robinson, Measurements of the ultrasonic absorption linewidth were obtained by making a number of separate measurements at frequencies on either side of the transition frequency.
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