Effect of defects on room-temperature ferromagnetism of Cr-doped ZnO films

被引：68
|
作者：
Zhuge, L. J. [1 ,2 ]
Wu, X. M. [1 ,3 ]
Vvu, Z. F. [1 ,3 ]
Chen, X. M. [1 ,3 ]
Meng, Y. D. [4 ]
机构：
[1] Suzhou Univ, Key Lab Thin Films Jiangsu, Suzhou 215006, Peoples R China
[2] Suzhou Univ, Anal & Testing Ctr, Suzhou 215123, Peoples R China
[3] Suzhou Univ, Dept Phys, Suzhou 215123, Peoples R China
[4] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
来源：
SCRIPTA MATERIALIA | 2009年 / 60卷 / 04期
基金：
中国国家自然科学基金;
关键词：
ZnO; Cr doping; Magnetic properties; Microstructure; MAGNETIC SEMICONDUCTORS; ORIGIN; TIO2;
D O I：
10.1016/j.scriptamat.2008.10.002
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We have investigated the microstructure and the magnetic properties of Zn1-xCrxO thin films deposited on squartz glass substrates using radiofrequency magnetron Sputtering. The structural investigations demonstrate that the ferromagnetism observed at room temperature is an intrinsic property of Cr-ZnO films, and does not originate from any secondary phase. The experimental results show that defects due to singly negatively charged Zn vacancies, together with Cr doping, plays an important role in the ferromagnetic origin of Zn1-xCrxO thin films. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：214 / 217
页数：4
相关论文
共 50 条
  • [1] Role of point defects in room-temperature ferromagnetism of Cr-doped ZnO
    Liu, Hui
    Zhang, Xiao
    Li, Luyan
    Wang, Y. X.
    Gao, K. H.
    Li, Z. Q.
    Zheng, R. K.
    Ringer, S. P.
    Zhang, Bei
    Zhang, X. X.
    APPLIED PHYSICS LETTERS, 2007, 91 (07)
  • [2] Room-temperature ferromagnetism in lightly Cr-doped ZnO nanoparticles
    Duan, L. B.
    Zhao, X. R.
    Liu, J. M.
    Wang, T.
    Rao, G. H.
    APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2010, 99 (03): : 679 - 683
  • [3] Room-temperature ferromagnetism in lightly Cr-doped ZnO nanoparticles
    L. B. Duan
    X. R. Zhao
    J. M. Liu
    T. Wang
    G. H. Rao
    Applied Physics A, 2010, 99 : 679 - 683
  • [4] Room-temperature ferromagnetism in Cr-doped GaN single crystals
    Park, SE
    Lee, HJ
    Cho, YC
    Jeong, SY
    Cho, CR
    Cho, S
    APPLIED PHYSICS LETTERS, 2002, 80 (22) : 4187 - 4189
  • [5] Ferromagnetism above room temperature in Cr-doped AlN films
    Song, Y. Y.
    Quang, P. H.
    Lim, K. S.
    Yu, S. C.
    Yoo, Y. G.
    JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 2006, 48 (06) : 1449 - 1453
  • [6] Room-temperature ferromagnetism in EDTA capped Cr-doped ZnS nanoparticles
    D. Amaranatha Reddy
    G. Murali
    R. P. Vijayalakshmi
    B. K. Reddy
    Applied Physics A, 2011, 105 : 119 - 124
  • [7] Room-temperature ferromagnetism in EDTA capped Cr-doped ZnS nanoparticles
    Reddy, D. Amaranatha
    Murali, G.
    Vijayalakshmi, R. P.
    Reddy, B. K.
    APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2011, 105 (01): : 119 - 124
  • [8] Room-temperature ferromagnetism in Cr-doped GaN films grown by MOMBE on GaAs(111)A substrates
    Suemasu, T
    Yamaguchi, K
    Tomioka, H
    Hasegawa, F
    5TH INTERNATIONAL CONFERENCE ON NITRIDE SEMICONDUCTORS (ICNS-5), PROCEEDINGS, 2003, 0 (07): : 2860 - 2863
  • [9] Effect of substrate temperature on the room-temperature ferromagnetism of Cu-doped ZnO films
    Ran, Fan-Yong
    Tanemura, Masaki
    Hayashi, Yasuhiko
    Hihara, Takehiko
    JOURNAL OF CRYSTAL GROWTH, 2009, 311 (17) : 4270 - 4274
  • [10] Room temperature ferromagnetism in Cr-doped hydrogenated amorphous Si films
    Yao, Jia-Hsien
    Lin, Hsiu-Hau
    Chin, Tsung-Shune
    APPLIED PHYSICS LETTERS, 2008, 92 (24)
12345