%0 Journal Article
%T Study of single-walled carbon nanotube''''s differential conductance in high magnetic field under high pressure<br>单壁碳纳米管微分电导在高压和强磁场下的实验研究
%A Cai Jian-Zhen
%A Zhu Hong-Wei
%A Wu De-Hai
%A Liu Feng
%A <br>蔡建臻
%A 朱宏伟
%A 吴德海
%A 刘峰
%A 吕力
%A Cai Jian-Zhen
%A Zhu Hong-Wei
%A Wu De-Hai
%A Liu Feng
%A Lü Li
%J 物理学报
%D 2006
%I 
%X Accompanied by the structural phase transition, the electron transport properties of single-walled carbon nanotubes bundles undergo a metal-semiconductor transition at a hydrostatic pressure of 1.5 GPa. In the semiconducting phase there coexist two effects electron phase coherence which leads to two-dimensional electron weak localization, and Coulomb correlation which leads to the environmental quantum fluctuation of charge transport. We applied hydrostatic pressure up to 10 GPa to single-walled carbon nanotube bundles, and studied the bias voltage dependence of the differential conductance at low temperatures and in strong magnetic fields. Our results show that phase coherence and Coulomb correlation are two effects that independently influence on the electron transport process in the semiconducting phase of the single walled carbon nanotube bundles.
%K single-walled carbon nanotube
%K high-pressure
%K differential-conductance<br>单层碳纳米管
%K 高压
%K 微分电导
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=16709A4E5E531718&yid=37904DC365DD7266&vid=E514EE58E0E50ECF&iid=59906B3B2830C2C5&sid=E6BA406BAADCE260&eid=5FF9ECC1CDA206C0&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=23