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THz transient dynamics and photoconductivity in liquid exfoliated van der Waals insulator-semiconductor heterostructure laminates

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Abstract

We study ultrafast carrier dynamics of artificial laminates built from few-layer WS2&hBN using optical pump-THz probe. We observe novel optoelectronic response in WS2/hBN laminates, ascribe to dipoles formation at semiconductor-insulator interfaces.

© 2016 Optical Society of America

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