Magnetic properties of high Li doped ZnO sol-gel thin films

被引：28

作者：

Vettumperumal, R. ^{[1
]}

Kalyanaraman, S. ^{[1
]}

Santoshkumar, B. ^{[1
]}

Thangavel, R. ^{[2
]}

机构：

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

[2] Indian Sch Mines, Dept Phys, Dhanbad 826004, Bihar, India

来源：

MATERIALS RESEARCH BULLETIN | 2014年 / 50卷

关键词：

Magnetic materials; Sol-gel method; X-ray diffraction; Magnetic properties; SEMICONDUCTOR;

D O I：

10.1016/j.materresbull.2013.10.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Undoped and Li doped ZnO thin films were deposited on a glass substrate using the sol-gel dip coating method. The films were prepared at 5 mol.% and 10 mol.% of Li doped ZnO at 550 degrees C annealing temperature and the deposited films were characterized by X-ray diffraction (XRD), microscopic studies, Gouy's method, vibrating sample magnetometer (VSM) and UV-visible spectroscopy. All the deposited thin films had a hexagonal wurtzite structure with polycrystalline grains at random. Primarily magnetic properties of pure and Li doped ZnO films were observed by Guoy's method which depicted Dia and Para magnetic behavior at room temperature. VSM measurement reveals a coercivity of 97.7 Oe in the films. An inverse relative ferromagnetism was perceived in Li doped ZnO films which had an average transmission of <90%. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：7 / 11

页数：5

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