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Effect of defects on room-temperature ferromagnetism in Co and Na co-doped ZnO

โœ Scribed by Gu, Hao; Jiang, Yinzhu; Xu, Yongbing; Yan, Mi


Book ID
111690877
Publisher
Springer
Year
2012
Tongue
English
Weight
700 KB
Volume
107
Category
Article
ISSN
1432-0630

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The Co-doped ZnO powders were synthesized by sol-gel method, and treated at different temperatures (673-873 K) in the presence or absence of NH 3 atmosphere for 0.5 and 2 h, respectively. X-ray diffraction (XRD) and vibrating sample magnetometer (VSM) show that better crystal structure can cause lar