期刊
SMALL
卷 10, 期 11, 页码 2293-2299出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201303697
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类别
资金
- National Key Basic Research Program of China [2012CB933404, 2013CBA01603]
- NSFC [11074007, 11222436, 11234001]
As a two-dimensional material, graphene is highly susceptible to environmental influences. It is therefore challenging to deposit dielectrics on graphene without affecting its electronic properties. It is demonstrated that the effect of the dielectric deposition on graphene can be reduced by using a multilayer hexagonal boron nitride film as a buffer layer. Particularly, the boron nitride layer provides significant protection in magnetron sputtering deposition. It also enables growth of uniform and charge trapping free high-k dielectrics by atomic layer deposition. The doping effect of various deposition methods on graphene has been discussed.
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