Liao, ZM, Hou, C, Zhang, HZ, Wang, DS, Yu, DP, Evolution of resistive switching over bias duration of single Ag2S nanowires, APPLIED PHYSICS LETTERS, 96, 2010
APPLIED PHYSICS LETTERS; 96;
We report experimental results of ultralow frequency photocurrent oscillation in individual ZnO
nanowires. Consecutive photocurrent and photoluminescence measurements corroborate the process
of capture and release of photogenerated holes by surface trap states. The dynamic process results
in the oscillation of the thickness of surface depletion region, which is believed to be responsible for
the observed photocurrent oscillation.
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