Answers are grounded in this paper and cite their sources.
Current saturation in zinc oxide crystals having the electric field applied parallel to the c axis is shown to be due to acoustoelectric amplification of off-axis shear waves. The maximum angle of propagation and drift velocity are limited by the sample geometry.
No takes yet. Share an insight, caveat, or question.
John C. Huber (1970) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: