Effects of interface parameters on the transport properties of nanocomposites  

作　　者：Tinggang Zhang 

机构地区：[1]Formerly at University of Alaska Fairbanks,Fairbanks,Alaska 99775,USA [2]2211 Clarkson Drive Apt 7,Fairbanks,Alaska 99709,USA

出　　处：《Energy Materials and Devices》2024年第2期39-49,共11页能源材料与器件（英文）

摘　　要：This study introduces a continuum medium approximation(CMA)and an empirical effective medium approxi-mation(EMA)-type formulation to estimate the transport properties,including electrical conductivity,thermal conductivity,Seebeck coefficient,and Hall mobility,of nanostructured composites.The CMA incorporates the interface parameters mediated by newly introduced distribution functions to resolve predictions that deviate from the inclusion properties at its volume fraction of 1 in current EMAs and yields predictions agreed well with both the empirical EMA and experimental data.The empirical EMA-type formulation resolves the differ-ences in CMA predictions for the media A_(1-x)B_(x)and B_(1-x)A_(x)and provides a unique prediction that agrees very well with experimental data at a given volume fraction ranging from 0 to 1.The effects of the interface param-eters on the transport properties were investigated.The results indicated that the efficiency of nanostructured composites could be further improved by optimizing the interface parameters.

关 键 词：continuum medium approximation thermal barrier resistance electrical barrier resistance host-particle interface density distribution function of interface parameter 

分 类 号：TB3[一般工业技术—材料科学与工程]