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Title: Discrete Dynamics of Nanoparticle Channelling in Suspended Graphene
Type: LetterLetter
Participant(s):
Author:  Booth, Tim (Cwisno: 52702)
Technical University of Denmark
Email:

Author:  Pizzocchero, Filippo (Cwisno: 65104)
Technical University of Denmark
Email:

Author:  Andersen, Henrik (Cwisno: 27030)
Technical University of Denmark

Author:  Hansen, Thomas Willum (Cwisno: 18252)
Technical University of Denmark
Email:

Author:  Wagner, Jakob Birkedal (Cwisno: 43950)
Technical University of Denmark
Email:

Forfatter:  Jinschek, Joerg R.
FEI Company bb.

Author:  Dunin-Borkowski, Rafal E. (Cwisno: 37397)
Technical University of Denmark
Email:

Author:  Hansen, Ole (Cwisno: 806)
Technical University of Denmark
Email:

Author:  Bøggild, Peter (Cwisno: 5481)
Technical University of Denmark
Email:

Abstract: We have observed a previously undescribed stepwise oxidation of mono- and few layer suspended graphene by silver nanoparticles in situ at subnanometer scale in an environmental transmission electron microscope. Over the range of 600–850 K, we observe crystallographically oriented channelling with rates in the range 0.01–1 nm/s and calculate an activation energy of 0.557 ± 0.016 eV. We present a discrete statistical model for this process and discuss the implications for accurate nanoscale patterning of nanoscale systems.
Published: in journal: Nano Letters (ISSN: 1530-6984) (DOI: http://dx.doi.org/10.1021/nl200928k), vol: 11, issue: 7, pages: 2689-2692, 2011
DOI:
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