A study of frequency dependent electrical and dielectric properties of NiO nanoparticles

被引：51

作者：

Usha, V. ^{[1
]}

Kalyanaraman, S. ^{[1
]}

Vettumperumal, R. ^{[1
,2
]}

Thangavel, R. ^{[3
]}

机构：

[1] Sri Paramakalyani Coll, PG & Res Dept Phys, Alwarkurichi 627412, India

[2] VV Coll Engn, Dept Phys, Tisaiyanvilai 627657, India

[3] Indian Inst Technol, Dept Appl Phys, Dhanbad 826004, Bihar, India

来源：

PHYSICA B-CONDENSED MATTER | 2017年 / 504卷

关键词：

NiO nanoparticles; Electrical properties; Dielectric properties; IMPEDANCE; ELECTRODE; CONDUCTIVITY; MODULUS;

D O I：

10.1016/j.physb.2016.10.011

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Nickel oxide nanoparticles were synthesized using low cost sol-gel method. The structure of as prepared NiO nanoparticles has been confirmed from X-ray diffraction (XRD), scanning electron microscope with energy dispersive X-ray (SEM and EDX) spectroscopic analysis. The electrical and dielectric properties were characterized by complex impedance spectroscopy as a function of frequency at different temperatures. To study the dielectric behavior of the nanoparticles different plots like Nyquist plot, modulus plot and Bode plot were used. Also the frequency dependent ac conductivity is analyzed and the activation energy is calculated. The dielectric constant and dielectric loss as a function of frequency at various temperatures are also studied.

引用

页码：63 / 68

页数：6

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