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Current Oscillations in GaAs under Acoustic Amplification Conditions. II. Calculation of the Threshold Field
Author(s) -
Hugon P. Leroux
Publication year - 1969
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19690310140
Subject(s) - current (fluid) , field (mathematics) , instability , signal (programming language) , physics , condensed matter physics , acoustics , mechanics , mathematics , computer science , thermodynamics , pure mathematics , programming language
In the preceding paper See this issue, page 331. , experimental investigations of current oscillations in GaAs are reported. In this paper the conditions of occurrence of a current instability is discussed in the limits of the small‐signal theory. Calculated values of the threshold field and of his variations with the involved parameters are found in agreement with the experiments.