Ultrafast Transition From Intra- To Interlayer Exciton Phases In A Van Der Waals Heterostructure

Philipp Merkl,Fabian Mooshammer,Philipp Steinleitner,Anna Girnghuber,Kai-Qiang Lin,Philipp Nagler,Johannes Holler,Christian Schüller,John M. Lupton,Tobias Korn, Simon Ovesen,Samuel Brem,Ermin Malic,Rupert Huber

2019 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2019）

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摘要

The binding energy of interlayer excitons is measured by revealing a novel 1s-2p resonance in the mid infrared. Intralayer excitons transform directly into interlayer species via ultrafast electron tunneling strongly influenced by the stacking angle. (C) 2019 The Author(s)

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关键词

Van der Waals heterostructure,ultrafast electron tunneling,stacking angle,intralayer-interlayer exciton phase,interlayer species,intralayer excitons,interlayer excitons,binding energy,interlayer exciton phases,ultrafast transition

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