Pacific Rim Symposium on Surfaces, Coatings and Interfaces (PacSurf 2014)
    Thin Films Thursday Sessions
       Session TF-ThM

Invited Paper TF-ThM1
Construction and Characterization of Two Dimensional Atomic Crystals on Transition Metal Surfaces: Graphene, Silicene, Germanene, and Hafnene

Thursday, December 11, 2014, 8:00 am, Room Makai

Session: Graphene
Presenter: Shixuan Du, Institute of Physics, Chinese Academy of Sciences, China
Correspondent: Click to Email

Epitaxy on a transition metal (TM) substrate is a promising method to produce a variety of two dimensional (2D) atomic crystals which potentially can be used in next generation electronic devices. This method is particularly valuable in the case of producing 2D materials that do not exist in 3D forms, for instance, silicene. In this talk, I will present construction and characterization of graphene, silicene, germanene, and hafnium honeycomb lattice on transition metal surfaces (TMS) (for example, Ru(0001), Pt(111), and Ir(111)). Molecular beam epitaxial growth technique is used to form the large scale 2D atomic crystals on TMS. Low electron energy diffraction (LEED) and scanning tunneling microscopy/spectroscopy (STM/S) together with density functional theory (DFT) calculations are employed to confirm the formed structure on the TMS. We expect that on the TMS more new 2D crystals could be found and these materials will show very interesting physical property and its promising potential applications in nanoscale devices.

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