Studying Mn- and Ni-doped ZnO Thin Films Synthesized by the Sol-Gel Method

被引：22

作者：

Ghazi, M. E. ^{[1
]}

Izadifard, M. ^{[1
]}

Ghodsi, F. Esmaili ^{[2
]}

Yuonesi, M. ^{[1
,3
]}

机构：

[1] Shahrood Univ Technol, Dept Phys, Shahrood, Iran

[2] Guilan Univ, Dept Phys, Rasht, Iran

[3] Islamic Azad Univ, Amol Branch, Dept Phys, Amol, Iran

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2012年 / 25卷 / 01期

关键词：

Diluted magnetic semiconductors (DMSs); Sol-gel method; ZnO:TM; Wide-band gap; MAGNETIC-PROPERTIES; OPTICAL-CONSTANTS; X-RAY; SEMICONDUCTORS; FERROMAGNETISM; GAP;

D O I：

10.1007/s10948-011-1213-6

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this work, Zn0.97TM0.03O (TM = Mn, Ni) thin films are deposited onto glass substrates by the sol-gel method, and the effects of transition metal (TM) substitution on the structural, optical, and magnetic properties of these films are investigated. X-ray diffraction patterns reveal that all the films have Wurtzite structure. Optical transmittance of the films is recorded in the wavelength range of 200-800 nm, and the band gap of the films is determined. Optical constants of the films are calculated using a pointwise unconstrained minimization algorithm. Absorption edge of the films show a small shift depending on the dopant elements. Magnetic analyzing indicates that both Ni-doped and undoped ZnO films are ferromagnetic at room temperature but for Mn-doped films, paramagnetic contribution is dominated.

引用

页码：101 / 108

页数：8

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