Strain Modulation of Graphene by Nanoscale Substrate Curvatures: A Molecular View

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Strain Modulation of Graphene by Nanoscale Substrate Curvatures : A Molecular View. / Zhang, Yingjie; Heiranian, Mohammad; Janicek, Blanka; Budrikis, Zoe; Zapperi, Stefano; Huang, Pinshane Y.; Johnson, Harley T.; Aluru, Narayana R.; Lyding, Joseph W.; Mason, Nadya.

In: Nano Letters, Vol. 18, No. 3, 14.03.2018, p. 2098-2104.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Zhang, Y, Heiranian, M, Janicek, B, Budrikis, Z, Zapperi, S, Huang, PY, Johnson, HT, Aluru, NR, Lyding, JW & Mason, N 2018, 'Strain Modulation of Graphene by Nanoscale Substrate Curvatures: A Molecular View' Nano Letters, vol. 18, no. 3, pp. 2098-2104. https://doi.org/10.1021/acs.nanolett.8b00273

APA

Zhang, Y., Heiranian, M., Janicek, B., Budrikis, Z., Zapperi, S., Huang, P. Y., ... Mason, N. (2018). Strain Modulation of Graphene by Nanoscale Substrate Curvatures: A Molecular View. Nano Letters, 18(3), 2098-2104. https://doi.org/10.1021/acs.nanolett.8b00273

Vancouver

Zhang Y, Heiranian M, Janicek B, Budrikis Z, Zapperi S, Huang PY et al. Strain Modulation of Graphene by Nanoscale Substrate Curvatures: A Molecular View. Nano Letters. 2018 Mar 14;18(3):2098-2104. https://doi.org/10.1021/acs.nanolett.8b00273

Author

Zhang, Yingjie ; Heiranian, Mohammad ; Janicek, Blanka ; Budrikis, Zoe ; Zapperi, Stefano ; Huang, Pinshane Y. ; Johnson, Harley T. ; Aluru, Narayana R. ; Lyding, Joseph W. ; Mason, Nadya. / Strain Modulation of Graphene by Nanoscale Substrate Curvatures : A Molecular View. In: Nano Letters. 2018 ; Vol. 18, No. 3. pp. 2098-2104.

Bibtex - Download

@article{ce81d9389fe74e21bf31ef36feb22f6e,
title = "Strain Modulation of Graphene by Nanoscale Substrate Curvatures: A Molecular View",
abstract = "Spatially nonuniform strain is important for engineering the pseudomagnetic field and band structure of graphene. Despite the wide interest in strain engineering, there is still a lack of control on device-compatible strain patterns due to the limited understanding of the structure-strain relationship. Here, we study the effect of substrate corrugation and curvature on the strain profiles of graphene via combined experimental and theoretical studies of a model system: graphene on closely packed SiO2 nanospheres with different diameters (20-200 nm). Experimentally, via quantitative Raman analysis, we observe partial adhesion and wrinkle features and find that smaller nanospheres induce larger tensile strain in graphene; theoretically, molecular dynamics simulations confirm the same microscopic structure and size dependence of strain and reveal that a larger strain is caused by a stronger, inhomogeneous interaction force between smaller nanospheres and graphene. This molecular-level understanding of the strain mechanism is important for strain engineering of graphene and other two-dimensional materials.",
author = "Yingjie Zhang and Mohammad Heiranian and Blanka Janicek and Zoe Budrikis and Stefano Zapperi and Huang, {Pinshane Y.} and Johnson, {Harley T.} and Aluru, {Narayana R.} and Lyding, {Joseph W.} and Nadya Mason",
year = "2018",
month = "3",
day = "14",
doi = "10.1021/acs.nanolett.8b00273",
language = "English",
volume = "18",
pages = "2098--2104",
journal = "Nano Letters",
issn = "1530-6984",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "3",

}

RIS - Download

TY - JOUR

T1 - Strain Modulation of Graphene by Nanoscale Substrate Curvatures

T2 - A Molecular View

AU - Zhang, Yingjie

AU - Heiranian, Mohammad

AU - Janicek, Blanka

AU - Budrikis, Zoe

AU - Zapperi, Stefano

AU - Huang, Pinshane Y.

AU - Johnson, Harley T.

AU - Aluru, Narayana R.

AU - Lyding, Joseph W.

AU - Mason, Nadya

PY - 2018/3/14

Y1 - 2018/3/14

N2 - Spatially nonuniform strain is important for engineering the pseudomagnetic field and band structure of graphene. Despite the wide interest in strain engineering, there is still a lack of control on device-compatible strain patterns due to the limited understanding of the structure-strain relationship. Here, we study the effect of substrate corrugation and curvature on the strain profiles of graphene via combined experimental and theoretical studies of a model system: graphene on closely packed SiO2 nanospheres with different diameters (20-200 nm). Experimentally, via quantitative Raman analysis, we observe partial adhesion and wrinkle features and find that smaller nanospheres induce larger tensile strain in graphene; theoretically, molecular dynamics simulations confirm the same microscopic structure and size dependence of strain and reveal that a larger strain is caused by a stronger, inhomogeneous interaction force between smaller nanospheres and graphene. This molecular-level understanding of the strain mechanism is important for strain engineering of graphene and other two-dimensional materials.

AB - Spatially nonuniform strain is important for engineering the pseudomagnetic field and band structure of graphene. Despite the wide interest in strain engineering, there is still a lack of control on device-compatible strain patterns due to the limited understanding of the structure-strain relationship. Here, we study the effect of substrate corrugation and curvature on the strain profiles of graphene via combined experimental and theoretical studies of a model system: graphene on closely packed SiO2 nanospheres with different diameters (20-200 nm). Experimentally, via quantitative Raman analysis, we observe partial adhesion and wrinkle features and find that smaller nanospheres induce larger tensile strain in graphene; theoretically, molecular dynamics simulations confirm the same microscopic structure and size dependence of strain and reveal that a larger strain is caused by a stronger, inhomogeneous interaction force between smaller nanospheres and graphene. This molecular-level understanding of the strain mechanism is important for strain engineering of graphene and other two-dimensional materials.

UR - http://www.scopus.com/inward/record.url?scp=85043995823&partnerID=8YFLogxK

U2 - 10.1021/acs.nanolett.8b00273

DO - 10.1021/acs.nanolett.8b00273

M3 - Article

VL - 18

SP - 2098

EP - 2104

JO - Nano Letters

JF - Nano Letters

SN - 1530-6984

IS - 3

ER -

ID: 18652265