Enhanced exciton-exciton collisions in an ultra-flat monolayer MoSe2 prepared through deterministic flattening

Hotta T.,Ueda A., Higuchi S.,Okada M.,Shimizu T.,Kubo T.,Ueno K.,Taniguchi T.,Watanabe K.,Kitaura R.

ACS Nano（2021）

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摘要

Squeezing bubbles and impurities out of interlayer spaces by applying force through a few-layer graphene capping layer leads to van der Waals heterostructures with the ultraflat structure free from...

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关键词

two-dimensional materials, van der Waals heterostructures, deterministic flattening, optical physics, microspectroscopy, biexcitons

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