S. Zhukovsky, Viktoriia E. Babicheva, Andrey B. Evlyuknin, I. Protsenko, A. Uskov, A. Lavrinenko
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Plasmonic nanocone arrays as photoconductive and photovoltaic metamaterials
Photoconductive and photovoltaic properties of metamaterials comprising plasmonic nanocone arrays embedded in a semiconductor matrix are studied. Under uniform plane-wave illumination, directed photocurrent and electromotive force arise near asymmetrically shaped nanocones. The resulting giant photogalvanic effect is a plasmonic analogue of the bulk photovoltaic effect in ferroelectrics.