%0 Journal Article
%T Peierls phase transition and field emission of carbon nanotubes in a magnetic field
Peierls相变与磁场中碳纳米管的场发射
%A Sun Hai-Jun
%A Liang Shi-Dong
%A
孙海军
%A 梁世东
%J 物理学报
%D 2008
%I
%X 应用紧束缚模型和WKB方法研究碳纳米管的out-of-plane型Peierls相变,及其对碳纳米管的场发射的影响.结果发现Peierls相变会在室温出现,并使碳纳米管费米面附近出现能隙,导致碳纳米管发生金属—半导体转变,从而抑制碳纳米管的场发射.磁场也会抑制Peierls形变,Peierls相变和磁场相互竞争影响碳纳米管的能带结构,从而影响碳纳米管的场发射.
%K 场发射,
%K 碳纳米管,
%K Peierls相变
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=438A651DFEBFB08D13B4C8FFB74D4BD4&yid=67289AFF6305E306&vid=11B4E5CC8CDD3201&iid=38B194292C032A66&sid=1744D1F6FFC838D2&eid=C8B07D2649102CD1&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=21