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Title: Helicoidal graphene nanoribbons: Chiraltronics

Abstract

Here, we present a calculation of the effective geometry-induced quantum potential for the carriers in graphene shaped as a helicoidal nanoribbon. In this geometry the twist of the nanoribbon plays the role of an effective transverse electric field in graphene and this is reminiscent of the Hall effect. But, this effective electric field has a different sign for the two isospin states and translates into a mechanism to separate the two chiral species on the opposing rims of the nanoribbon. Finally, isospin transitions are expected with the emission or absorption of microwave radiation which could be adjusted to be in the THz region.

Authors:
 [1]; ORCiD logo [2]
  1. Sofia Univ. (Bulgaria). Dept. of Condensed Matter Physics
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1414081
Alternate Identifier(s):
OSTI ID: 1204693
Report Number(s):
LA-UR-15-22193
Journal ID: ISSN 1098-0121; PRBMDO; TRN: US1800616
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 3; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Material Science

Citation Formats

Atanasov, Victor, and Saxena, Avadh. Helicoidal graphene nanoribbons: Chiraltronics. United States: N. p., 2015. Web. doi:10.1103/PhysRevB.92.035440.
Atanasov, Victor, & Saxena, Avadh. Helicoidal graphene nanoribbons: Chiraltronics. United States. https://doi.org/10.1103/PhysRevB.92.035440
Atanasov, Victor, and Saxena, Avadh. Wed . "Helicoidal graphene nanoribbons: Chiraltronics". United States. https://doi.org/10.1103/PhysRevB.92.035440. https://www.osti.gov/servlets/purl/1414081.
@article{osti_1414081,
title = {Helicoidal graphene nanoribbons: Chiraltronics},
author = {Atanasov, Victor and Saxena, Avadh},
abstractNote = {Here, we present a calculation of the effective geometry-induced quantum potential for the carriers in graphene shaped as a helicoidal nanoribbon. In this geometry the twist of the nanoribbon plays the role of an effective transverse electric field in graphene and this is reminiscent of the Hall effect. But, this effective electric field has a different sign for the two isospin states and translates into a mechanism to separate the two chiral species on the opposing rims of the nanoribbon. Finally, isospin transitions are expected with the emission or absorption of microwave radiation which could be adjusted to be in the THz region.},
doi = {10.1103/PhysRevB.92.035440},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 3,
volume = 92,
place = {United States},
year = {Wed Jul 29 00:00:00 EDT 2015},
month = {Wed Jul 29 00:00:00 EDT 2015}
}

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Cited by: 20 works
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Works referencing / citing this record:

Breakdown of Hooke's law at the nanoscale – 2D material-based nanosprings
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Generally covariant geometric momentum, gauge potential and a Dirac fermion on a two-dimensional sphere
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