Photon-induced suppression of interlayer tunneling in van der Waals heterostructures
Journal Article
·
· Physical Review B
- Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Physics and Astronomy. Center for Materials for Information Technology; University of Alabama
- Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Physics and Astronomy. Center for Materials for Information Technology
We develop here a theory for interlayer tunneling in van der Waals heterostructures driven under a strong electromagnetic field, using $$\text{graphene}/h{-}\mathrm{BN}/\text{graphene}$$ as a paradigmatic example. Our theory predicts that strong antiresonances appear at bias voltage values equal to an integer multiple of the light frequency. These features are found to originate from photon-assisted resonant tunneling transitions between Floquet sidebands of different graphene layers, and are unique to two-band systems due to the interplay of both intraband and interband tunneling transitions. Our results point to the possibility of tunneling localization in van der Waals heterostructures using strong electromagnetic fields.
- Research Organization:
- Univ. of Alabama, Tuscaloosa, AL (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- SC0019326
- OSTI ID:
- 1523645
- Alternate ID(s):
- OSTI ID: 1510836
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 20 Vol. 99; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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