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Acta Physica Sinica (Overseas Edition), 1997, Vol. 6(8): 589-596    DOI: 10.1088/1004-423X/6/8/004
CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES Prev   Next  

ELECTRONIC SPECTRAL PROPERTIES OF ONE-DIMENSIONAL NANOSTRUCTURED SYSTEMS

YAN XIAO-HONG (颜晓红)ab, ZHANG LI-DE (张立德)a, DUAN ZHU-PING (段祝平)ac, ZHOU YI-CHUN (周益春)bc
a Institute of Solid State Physics, Academia Sinica, Hefei 230031, China; b Department of Physics, Xiangtan University, Xiangtan 411105, China; c Institute of Mechanics, Academia Sinica, Beijing 100080, China
Abstract  Introducing a model nanostructured chain, we study the electronic properties of one-dimensional ordered nanostructured solids in terms of an exact Green's function renormalization-group approach, It is found that two kinds of electronic state, namely localized state and extended statess exist in certain energy regions. As the grain size decreases, the energy regions corresponding to the extended quantity, as well as the gaps, become wider, while the number of the isolated peaks decreases. Furthermore, the appearances of isolated peaks are mainly, due to the modulations of the interface sites.
Received:  07 August 1996      Accepted manuscript online: 
PACS:  73.22.-f (Electronic structure of nanoscale materials and related systems)  
  71.15.Ap (Basis sets (LCAO, plane-wave, APW, etc.) and related methodology (scattering methods, ASA, linearized methods, etc.))  
Fund: Project supported by the fund for fundamental research in the National Climb Program of China.

Cite this article: 

YAN XIAO-HONG (颜晓红), ZHANG LI-DE (张立德), DUAN ZHU-PING (段祝平), ZHOU YI-CHUN (周益春) ELECTRONIC SPECTRAL PROPERTIES OF ONE-DIMENSIONAL NANOSTRUCTURED SYSTEMS 1997 Acta Physica Sinica (Overseas Edition) 6 589

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