Magnetoacoustic Attenuation in Semimetals. III. Enhancement of Quantum Oscillations in Bismuth-Antimony Alloys for q^(81C8)H〜90゜
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概要
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The sound attenuation in Bi. ,Sb, alloys has been measured under the condi-lion tbxt the magnetic field vector H is nearly perpendicular to the sound wavevector q. Quite unlike bismuth, the quantum oscillations with very largeamplitudes and with the line shape like the density of state curve were observed.Particularly, for q parallel to a bisectrix axis, the oscillations take the form ofa deep dip whenever the Landau level crosses the Fermi level. These anomaliesare compared with a tentative theory taking into account of an effect of randomdiffractions of the sound wave propagation direction due to a spatial inhomo-geneity of antimony concentration. The large humps can be partially explainedby the theory but the deep dips cannot be explained at all.
- 社団法人日本物理学会の論文
- 1979-09-15
著者
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MASE Shoichi
Department of Physics, Kyushu University
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Mase Shoichi
Department Of General Education Aichi Institute Of Technology
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MATSUMOTO Yasukuni
Department of Electrical Engineering, Faculty of Engineering, Fukuoka University
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Matsumoto Yasukuni
Department Of Electrical Engineering Fukuoka University
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Akinaga Masahiro
Department of Physics, Fukuoka University of Education
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Akinaga Masahiro
Department Of Physics Kyushu University
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Akinaga Masahiro
Department Of Physics Fukuoka University Of Education
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