Stress-induced potential barriers and charge distributions in a piezoelectric semiconductor nanofiber
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The performance of a piecewise-stressed ZnO piezoelectric semiconductor nanofiber is studied with the multi-field coupling theory. The fields produced by equal and opposite forces as well as sinusoidally distributed forces are examined. Specific distributions of potential barriers, wells, and regions with effective polarization charges are found. The results are fundamental for the mechanical tuning on piezoelectric semiconductor devices and piezotronics.
Key wordsZnO nanofiber mechanical tuning multi-field coupling theory potential barrier potential well
Chinese Library ClassificationO472+.91
2010 Mathematics Subject Classification82D37
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