Graphene Growth by Metal Etching on Ru (0001)

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Low-energy electron microscopy (LEEM) reveals a new mode of graphene growth on Ru(0001) in which Ru atoms from a step edge are injected under a growing graphene sheet. The injected atoms can form under-graphene islands, or incorporate into the topmost Ru layer, thereby increasing its density and forming dislocation networks. Density functional calculations imply that Ru islands nucleated between the graphene layer and the substrate are energetically stable; scanning tunneling microscopy (STM) reveals that dislocation networks exist near step edges.

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27

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Loginova, Elena; Maier, Sabine; Stass, Ingeborg; Bartelt, Norman; Feibelman, Peter; Salmeron, Miquel et al. September 14, 2009.

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Low-energy electron microscopy (LEEM) reveals a new mode of graphene growth on Ru(0001) in which Ru atoms from a step edge are injected under a growing graphene sheet. The injected atoms can form under-graphene islands, or incorporate into the topmost Ru layer, thereby increasing its density and forming dislocation networks. Density functional calculations imply that Ru islands nucleated between the graphene layer and the substrate are energetically stable; scanning tunneling microscopy (STM) reveals that dislocation networks exist near step edges.

Physical Description

27

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  • Journal Name: Physical Review B

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  • Report No.: LBNL-2548E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 973528
  • Archival Resource Key: ark:/67531/metadc930970

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • September 14, 2009

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Oct. 2, 2017, 5:04 p.m.

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Loginova, Elena; Maier, Sabine; Stass, Ingeborg; Bartelt, Norman; Feibelman, Peter; Salmeron, Miquel et al. Graphene Growth by Metal Etching on Ru (0001), article, September 14, 2009; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc930970/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.