Extraordinary Second Harmonic Generation in Tungsten Disulfide Monolayers

We investigate Second Harmonic Generation (SHG) in monolayer WS(2) both deposited on a SiO(2)/Si substrate or suspended using transmission electron microscopy grids. We find unusually large second order nonlinear susceptibility, with an estimated value of d(eff) ~ 4.5 nm/V nearly three orders of mag...

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Autori principali: Janisch, Corey, Wang, Yuanxi, Ma, Ding, Mehta, Nikhil, Elías, Ana Laura, Perea-López, Néstor, Terrones, Mauricio, Crespi, Vincent, Liu, Zhiwen
Natura: Artigo
Lingua:Inglês
Pubblicazione: Nature Publishing Group 2014
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Article
Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC4078302/
https://ncbi.nlm.nih.gov/pubmed/24984953
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep05530
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