Fine Tuning of Optical Transition Energy of Twisted Bilayer Graphene via Interlayer Distance Modulation

Elena del Corro; Miriam Peña-Alvarez; Kentaro Sato; Angel Morales-Garcia; Milan Bousa; Michal Mračko; Radek Kolman; Barbara Pacakova; Ladislav Kavan; Martin Kalbac; Otakar Frank

doi:10.1103/PhysRevB.95.085138

Fine Tuning of Optical Transition Energy of Twisted Bilayer Graphene via Interlayer Distance Modulation

Elena del Corro, Miriam Peña-Alvarez, Kentaro Sato, Angel Morales-Garcia, Milan Bousa, Michal Mračko, Radek Kolman, Barbara Pacakova, Ladislav Kavan, Martin Kalbac, Otakar Frank

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

Twisted bilayer graphene (tBLG) represents a family of unique materials with optoelectronic properties tuned by the rotation angle between the two layers. The presented work shows an additional way of tweaking the electronic structure of tBLG: by modifying the interlayer distance, for example by a small uniaxial out-of-plane compression. We have focused on the optical transition energy, which shows a clear dependence on the interlayer distance, both experimentally and theoretically.

Original language	English
Journal	Physical review B: Condensed matter and materials physics
DOIs	https://doi.org/10.1103/PhysRevB.95.085138
Publication status	Published - 23 Feb 2017

Keywords

cond-mat.mes-hall

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10.1103/PhysRevB.95.085138

TBLG_submission.pdf - PENA-ALVAREZ (VII)Accepted author manuscript, 310 KB

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Corro, Elena del ; Peña-Alvarez, Miriam ; Sato, Kentaro ; Morales-Garcia, Angel ; Bousa, Milan ; Mračko, Michal ; Kolman, Radek ; Pacakova, Barbara ; Kavan, Ladislav ; Kalbac, Martin ; Frank, Otakar. / Fine Tuning of Optical Transition Energy of Twisted Bilayer Graphene via Interlayer Distance Modulation. In: Physical review B: Condensed matter and materials physics. 2017.

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abstract = "Twisted bilayer graphene (tBLG) represents a family of unique materials with optoelectronic properties tuned by the rotation angle between the two layers. The presented work shows an additional way of tweaking the electronic structure of tBLG: by modifying the interlayer distance, for example by a small uniaxial out-of-plane compression. We have focused on the optical transition energy, which shows a clear dependence on the interlayer distance, both experimentally and theoretically. ",

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Fine Tuning of Optical Transition Energy of Twisted Bilayer Graphene via Interlayer Distance Modulation. / Corro, Elena del; Peña-Alvarez, Miriam; Sato, Kentaro; Morales-Garcia, Angel; Bousa, Milan; Mračko, Michal; Kolman, Radek; Pacakova, Barbara; Kavan, Ladislav; Kalbac, Martin; Frank, Otakar.

In: Physical review B: Condensed matter and materials physics, 23.02.2017.

Research output: Contribution to journal › Article › peer-review

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T1 - Fine Tuning of Optical Transition Energy of Twisted Bilayer Graphene via Interlayer Distance Modulation

AU - Corro, Elena del

AU - Peña-Alvarez, Miriam

AU - Sato, Kentaro

AU - Morales-Garcia, Angel

AU - Bousa, Milan

AU - Mračko, Michal

AU - Kolman, Radek

AU - Pacakova, Barbara

AU - Kavan, Ladislav

AU - Kalbac, Martin

AU - Frank, Otakar

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PY - 2017/2/23

Y1 - 2017/2/23

N2 - Twisted bilayer graphene (tBLG) represents a family of unique materials with optoelectronic properties tuned by the rotation angle between the two layers. The presented work shows an additional way of tweaking the electronic structure of tBLG: by modifying the interlayer distance, for example by a small uniaxial out-of-plane compression. We have focused on the optical transition energy, which shows a clear dependence on the interlayer distance, both experimentally and theoretically.

AB - Twisted bilayer graphene (tBLG) represents a family of unique materials with optoelectronic properties tuned by the rotation angle between the two layers. The presented work shows an additional way of tweaking the electronic structure of tBLG: by modifying the interlayer distance, for example by a small uniaxial out-of-plane compression. We have focused on the optical transition energy, which shows a clear dependence on the interlayer distance, both experimentally and theoretically.

KW - cond-mat.mes-hall

U2 - 10.1103/PhysRevB.95.085138

DO - 10.1103/PhysRevB.95.085138

M3 - Article

JO - Physical review B: Condensed matter and materials physics

JF - Physical review B: Condensed matter and materials physics

SN - 1098-0121

ER -

Fine Tuning of Optical Transition Energy of Twisted Bilayer Graphene via Interlayer Distance Modulation

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Keywords

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