CURRENT FILAMENTS AND NONLINEAR OSCILLATIONS IN N-GAAS

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作者
BRANDL, A
PRETTL, W
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O469 [凝聚态物理学];
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070205 ;
摘要
Experimental investigations of nonlinear oscillations and the formation of current filaments due to impact ionization of shallow donors in n-GaAs at low temperatures are summarized. Measurements of the temporal and spatial structure of nonequilibrium current flow provided a concise microscopic basis of the observed regular, quasiperiodic, frequency-locked and chaotic current fluctuations.
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页码:371 / 385
页数:15
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