Quantum Size Effects on Electronic Dynamics of Quasi-one-dimensional Nanowires

Yang Cheng-ying; Chen Yong

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Quantum Size Effects on Electronic Dynamics of Quasi-one-dimensional Nanowires

更新时间：2026-05-27

- Quantum Size Effects on Electronic Dynamics of Quasi-one-dimensional Nanowires
- Vol. 26, Issue 2, Pages: 14(2009)
- 作者机构：
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- Online First：03 February 2009，
  
  Published：2009
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杨成英, 陈勇. 准一维纳米线电子动力学的量子尺寸效应[J]. 广东工业大学学报, 2009, 26(2): 14.

Yang Cheng-ying, Chen Yong. Quantum Size Effects on Electronic Dynamics of Quasi-one-dimensional Nanowires[J]. 2009, 26(2): 14.
杨成英, 陈勇. 准一维纳米线电子动力学的量子尺寸效应[J]. 广东工业大学学报, 2009, 26(2): 14. DOI：

Yang Cheng-ying, Chen Yong. Quantum Size Effects on Electronic Dynamics of Quasi-one-dimensional Nanowires[J]. 2009, 26(2): 14. DOI：

摘要

考虑准一维纳米材料的有限尺寸及可能存在的无序

基于量子扩散理论

研究了电子在准一维纳米线中的量子动力学行为.结果表明

随着无序度的增加

电子的扩散行为由弹道向局域的转变

与二维准周期体系类似.存在一定的无序时

随纳米线宽度的增加

同样可观察到弹道和非弹道行为的转变

呈现明显的量子尺寸效应.结果对理解准一维纳米结构体系的奇异输运行为及其潜在应用有参考意义.

Abstract

Both the finite size and the disorder considered

it explores the dynamic behavior of electron in the finite-width nanowires and carbon nanotubes in terms of the quantum diffusion theory.The results show that there exists a transition from ballistic to localized behavior with the disorder strength increasing

similar to that in two-dimensional quasiperiodic systems.For a given disorder

the ballistic-nonballistic transition is also obtained with the nanowire width increasing

exhibiting a typical quantum size e...

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references

王震遐,潘强岩,勇振中,胡建刚,朱志远. 掺氢、掺氮碳纳米线的合成及其焊接[J]. 物理学报, 2008,(03) .

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