Springer Online Journal Archives 1860-2000
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Abstract The magnetic field dependence of spontaneous oscillation in n-InSb is investigated. We have observed two types of variation in the oscillation with increasing magnetic field. One is an abrupt appearance of the oscillation between 0.56 T and 0.68 T. The other is the appearance of bifurcation in the oscillation period above 0.79 T. This can be explained by the change of the number of levels in the electron system, according to the generation-recombination model of Schöll for the self-generated chaos. The magnitude of the current at the onset of the oscillation decreases linearly with increasing magnetic field.
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