Electric field effects in graphene/LaAlO3/SrTiO3 heterostructures and nanostructures

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Electric field effects in graphene/LaAlO3/SrTiO3 heterostructures and nanostructures

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Title: Electric field effects in graphene/LaAlO3/SrTiO3 heterostructures and nanostructures
Author: Huang, Mengchen; Jnawali, Giriraj; Hsu, Jen-Feng; Dhingra, Shonali; Lee, Hyungwoo; Ryu, Sangwoo; Bi, Feng; Ghahari, Fereshte; Ravichandran, Jayakanth; Chen, Lu; Kim, Philip; Eom, Chang-Beom; D’Urso, Brian; Irvin, Patrick; Levy, Jeremy

Note: Order does not necessarily reflect citation order of authors.

Citation: Huang, Mengchen, Giriraj Jnawali, Jen-Feng Hsu, Shonali Dhingra, Hyungwoo Lee, Sangwoo Ryu, Feng Bi, et al. 2015. “Electric Field Effects in graphene/LaAlO3/SrTiO3 Heterostructures and Nanostructures.” APL Materials 3 (6) (June 1): 062502. Portico. doi:10.1063/1.4916098.
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Abstract: We report the development and characterization of graphene/LaAlO3/SrTiO3 heterostructures. Complex-oxide heterostructures are created by pulsed laser deposition and are integrated with graphene using both mechanical exfoliation and transfer from chemical-vapor deposition on ultraflat copper substrates. Nanoscale control of the metal-insulator transition at the LaAlO3/SrTiO3 interface, achieved using conductive atomic force microscope lithography, is demonstrated to be possible through the graphene layer. LaAlO3/SrTiO3-based electric field effects using a graphene top gate are also demonstrated. The ability to create functional field-effect devices provides the potential of graphene-complex-oxide heterostructures for scientific and technological advancement.
Published Version: doi:10.1063/1.4916098
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27708800
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