Magnetoacoustic geometric oscillations for longitudinal sound in beryllium

Magnetoacoustic, geometric oscillations have been observed in the absorption of longitudinal ultrasound in single crystals of Be of high purity. The investigation was carried out at 1 K using sonic frequencies from 0.5 to 1.85 GHz. Caliper dimensions of the cigar and coronet pieces of the Fermi surf...

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Bibliographic Details
Published in:Physical review. B, Solid state Solid state, 1975-08, Vol.12 (4), p.1140-1145
Main Authors: Vozenilek, E. F., Reed, Robert W.
Format: Article
Language:English
Subjects:
360104 -Materials-Metals & Alloys-Physical Properties
BERYLLIUM- MAGNETOACOUSTICS
FERMI LEVEL
GHZ RANGE 01-100
MHZ RANGE 100-1000
N50230 -Metals, Ceramics, & Other Materials-Metals & Alloys-Properties, Structure & Phase Studies
OSCILLATIONS
ULTRASONIC WAVES
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Summary:Magnetoacoustic, geometric oscillations have been observed in the absorption of longitudinal ultrasound in single crystals of Be of high purity. The investigation was carried out at 1 K using sonic frequencies from 0.5 to 1.85 GHz. Caliper dimensions of the cigar and coronet pieces of the Fermi surface in Be were determined. Finally, these dimensions are consistent with the current theoretical models for the Fermi surface in Be.
ISSN:0556-2805
DOI:10.1103/PhysRevB.12.1140