2024-03-28T13:00:31Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1810162019-05-08T00:57:24Zcom_10261_89com_10261_3col_10261_342
00925njm 22002777a 4500
dc
Omiciuolo, Luca
author
Hernández, Eduardo R.
author
Miniussi, Elisa
author
Orlando, Fabrizio
author
Lacovig, Paolo
author
Lizzit, Silvano
author
Menteş, Tevfik Onur
author
Locatelli, Andrea
author
Larciprete, Rosanna
author
Bianchi, Marco
author
Ulstrup, Soren
author
Hofmann, Philip
author
Alfè, Dario
author
Baraldi, Alessandro
author
2014-09-29
All rights reserved. The production of high-quality graphene-oxide interfaces is normally achieved by graphene growth via chemical vapour deposition on a metallic surface, followed by transfer of the C layer onto the oxide, by atomic layer and physical vapour deposition of the oxide on graphene or by carbon deposition on top of oxide surfaces. These methods, however, come with a series of issues: they are complex, costly and can easily result in damage to the carbon network, with detrimental effects on the carrier mobility. Here we show that the growth of a graphene layer on a bimetallic Ni3Al alloy and its subsequent exposure to oxygen at 520 K result in the formation of a 1.5 nm thick alumina nanosheet underneath graphene. This new, simple and low-cost strategy based on the use of alloys opens a promising route to the direct synthesis of a wide range of interfaces formed by graphene and high-κ dielectrics.
Nature Communications 5: 5062 (2014)
http://hdl.handle.net/10261/181016
10.1038/ncomms6062
2041-1723
http://dx.doi.org/10.13039/501100000275
http://dx.doi.org/10.13039/100008398
http://dx.doi.org/10.13039/501100003407
http://dx.doi.org/10.13039/501100003329
Bottom-up approach for the low-cost synthesis of graphene-alumina nanosheet interfaces using bimetallic alloys