Vacuum potential barrier and field emission characteristic of graphene edges

We investigated the vacuum potential barriers of various graphene edges. It is found that the exchange-correlation potential correction is significant to the edge structures with electronegativity higher than carbon. The correction leads to the local work function decreased by more than 1 eV for the...

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Bibliographische Detailangaben

Hauptverfasser:	Weiliang Wang, Junwen Shao, Zhibing Li
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Educational institutions Electric potential Elementary particle vacuum exchange-correlation potential field emission graphene Materials Physics potential barrier Sun
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