%0 Journal Article %T Effect of the relative orientation of molecules on the electronic transport property of molecular devices
分子的位置取向对分子器件电输运特性的影响 %A Xia Cai-Juan %A Fang Chang-Feng %A Hu Gui-Chao %A Li Dong-Mei %A Liu De-Sheng %A Xie Shi-Jie %A
夏蔡娟 %A 房常峰 %A 胡贵超 %A 李冬梅 %A 刘德胜 %A 解士杰 %J 物理学报 %D 2007 %I %X Based on ab initio methods and nonequilibrium Green's function theory,we have investigated the electronic transport properties of single and double 1,4-dithiolbenzene molecular devices which have different molecular relative orientations on molecule-metal contacts.Numerical results show that different molecular relative orientations have various influences on the electronic structure of molecules and current-voltage characteristics,which obviously affects the electronic transport properties of metal-molecule-metal systems.The equilibrium state of the extend molecule is not the best situation for electronic transportation.The characteristics of electronic transportation can thus be improved by adjusting the molecular relative orientation on molecule-metal contacts. %K relative orientation %K electronic transport %K molecular electronics
位置取向 %K 电子输运 %K 分子电子学 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=C948F0B773DABF3E&yid=A732AF04DDA03BB3&vid=014B591DF029732F&iid=5D311CA918CA9A03&sid=6424D51F76FAE0AA&eid=8A1C929A86F6BD4A&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=33