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中国物理学会期刊

畸变对hopping电导的影响:ThueMorse纳米结构模型

CSTR: 32037.14.aps.52.1213

Effect of distortion on hopping conductivity:ThueMorse nanostructured model

CSTR: 32037.14.aps.52.1213
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  • 发展实空间重正化群方法,研究了一维非周期ThueMorse纳米结构链的hopping电导率.计算表明ThueMorse纳米结构体系的晶粒种类、晶粒尺寸对hopping电导有显著的调制作用,界面结构和晶格畸变对hopping电导也有不同程度的影响.从无序度对hopping电导的影响来看,ThueMorse纳米结构链的无序度介于Fibonacci链和周期链之间.

     

    A realspace renormalizationgroup approach is developed to calculate hopping conductivity of ThueMorse(TM) nanostructured chain. It is found that the kinds and the sizes, as well as the interface structures and lattice distortion of nanograins have a notable effect on the hopping conductivity of nanostructured systems. From the effect of the degree of random on hopping conductivity, TM chain is a system between Fibonacci and periodic sequence.

     

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