Edge-adsorption of potassium adatoms on graphene nanoribbon: A first principle study

•Armchair graphene nanoribbon with K edge-adsorption becomes a metal while it is a semiconductor in pristine.•The interaction between the K adatom and armchair graphene nanoribbon is purely ionic.•K edge-adsorption can suppress the magnetic moment at the impurity site and its vicinity in zigzag grap...

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Veröffentlicht in:	Applied surface science 2013-09, Vol.280, p.698-704
Hauptverfasser:	Mao, Yuliang, Hao, Wenping, Wei, Xiaolin, Yuan, Jianmei, Zhong, Jianxin
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Edge-adsorption Electronic properties Exact sciences and technology Ferromagnetism First-principles Graphene Graphene nanoribbon Impurities Nanostructure Physics Potassium Semiconductors Surface chemistry
Online-Zugang:	Volltext
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