典型文献
Equipartition of current in metallic armchair nanoribbon of graphene-based device
文献摘要:
We numerically investigate the mesoscopic electronic transport properties of Bernal-stacked bilayer/trilayer graphene connected with four monolayer graphene terminals.In armchair-terminated metallic bilayer graphene,we show that the current from one incoming terminal can be equally parti-tioned into other three outgoing terminals near the charge-neutrality point,and the conductance periodically fluctuates,which is independent of the ribbon width but influenced by the interlayer hopping energy.This finding can be clearly understood by using the wave function matching method,in which a quantitative relationship between the periodicity,Fermi energy,and interlayer hopping energy can be reached.Interestingly,for the trilayer case,when the Fermi energy is located around the charge-neutrality point,the fractional quantized conductance 1/(4e2h)can be achieved when system exceeds a critical length.
文献关键词:
中图分类号:
作者姓名:
Hui Yang;Junjie Zeng;Sanyi You;Yulei Han;Zhenhua Qiao
作者机构:
CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics,and Department of Physics,University of Science and Technology of China,Hefei 230026,China;Department of Physics,Fuzhou University,Fuzhou 350108,China;ICQD,Hefei National Research Center for Physical Sciences at the Microscale,University of Science and Technology of China,Hefei 230026,China
文献出处:
引用格式:
[1]Hui Yang;Junjie Zeng;Sanyi You;Yulei Han;Zhenhua Qiao-.Equipartition of current in metallic armchair nanoribbon of graphene-based device)[J].物理学前沿,2022(06):62-68
A类:
Equipartition,nanoribbon,Bernal,4e2h
B类:
current,metallic,armchair,graphene,device,We,numerically,investigate,mesoscopic,electronic,transport,properties,stacked,bilayer,trilayer,connected,four,monolayer,terminals,terminated,show,that,from,incoming,can,equally,tioned,into,other,three,outgoing,near,charge,neutrality,point,conductance,periodically,fluctuates,which,independent,width,but,influenced,by,interlayer,hopping,energy,This,finding,clearly,understood,using,wave,function,matching,method,quantitative,relationship,between,periodicity,Fermi,reached,Interestingly,case,when,located,around,fractional,quantized,achieved,system,exceeds,critical,length
AB值:
0.580013
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