Effect of Al and Fe doping in ZnO on magnetic and magneto-transport properties

被引：9

作者：

Kumar, Santosh ^{[1
]}

Deepika ^{[1
]}

Tripathi, Malvika ^{[2
]}

Vaibhav, Pratyush ^{[3
]}

Kumar, Aman ^{[4
]}

Kumar, Ritesh ^{[1
]}

Choudhary, R. J. ^{[2
]}

Phase, D. M. ^{[2
]}

机构：

[1] Coll Commerce Arts & Sci, Dept Phys, Patna 800020, Bihar, India

[2] UGC DAE, Consortium Sci Res, Indore 452001, Madhya Pradesh, India

[3] Jaypee Univ Engn & Technol, Guna 473226, Madhya Pradesh, India

[4] Indian Inst Technol, Roorkee, Uttar Pradesh, India

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2016年 / 419卷

关键词：

FERROMAGNETISM; TEMPERATURE; FILMS; BULK;

D O I：

10.1016/j.jmmm.2016.06.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The structural, magnetic and magneto-transport of undoped ZnO, Zn0.97Al0.03O, Zn0.95Fe0.05O and Zn0.92Al0.03Fe0.05O thin films grown on Si(100) substrate using pulsed laser deposition were investigated. The single phase nature of the films is confirmed by X-ray diffraction and Raman spectroscopy measurements. The possibility of Fe metal cluster in Fe doped/co-doped films is ruled out by Fe 2p core level photoelectron spectra. From O 1s core level spectra it is observed that oxygen vacancy is present in all the films. The undoped ZnO film shows magnetic ordering below similar to 175 K, whereas Fe doped/codoped samples show magnetic ordering even at 300 K. The Al doped sample reveals paramagnetic behavior. The magneto-transport measurements suggest that the mobile carriers undergo exchange interaction with local magnetic moments. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：68 / 73

页数：6

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