Electrical conductivity behavior of Gum Arabic biopolymer-Fe3O4 nanocomposites

被引：17
|
作者：
Bhakat, D. [1 ]
Barik, P. [1 ,2 ]
Bhattacharjee, A. [1 ]
机构：
[1] Visva Bharati Univ, Dept Phys, Santini Ketan 731235, India
[2] Indian Inst Sci, Dept Phys, Bengaluru, India
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2018年 / 112卷
关键词：
Biopolymer; Magnetite; Nanocomposites; Electrical conduction; Percolation; TRANSPORT-PROPERTIES; PERCOLATION; ELASTICITY; TRANSITION; DISPERSION; METAL; OXIDE;
D O I：
10.1016/j.jpcs.2017.09.002
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Present work reports a study on the electrical conduction properties of some composites of Gum Arabic biopolymer and magnetite nanoparticles as host and guest, respectively, synthesized in different weight percentages. The nanocomposites are found to be non-extrinsic type of semiconductors with guest content dependent trap distribution of charge carriers. Conductivity of these materials increases with increasing guest content along with a concomitant decrease in the activation energy. Percolation theory has been employed for the analysis of the electrical conductivity results to explore the effect of the guest on the electrical conductivity of the host.
引用
收藏
页码：73 / 79
页数：7
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