期刊
JOURNAL OF APPLIED PHYSICS
卷 115, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4862954
关键词
-
资金
- European Union [265073]
By using a first principles approach based on Density Functional Theory, we present a study of the manipulation of the Al/ZnO contact, which may be turned from Ohmic to Schottky by simply including an ultrathin Au interlayer at the interface. To understand the rationale behind this contact design, we first characterize the original Al/ZnO interface, which results to be Ohmic, irrespective of the substrate termination and of eventual n-doping. Then, we identify the mechanisms that regulate the contact behavior switch upon gold insertion by highlighting the different charge transfer processes that take place at the interface. (C) 2014 AIP Publishing LLC.
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