期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 373, 期 -, 页码 226-230出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2014.03.053
关键词
Nanoparticle; Magnetic measurement; Sol-gel; Zinc oxide; ZnNiO
资金
- Bahcesehir University [BAU-2010]
- Gebze Institute of Technology [GYTE-BAP-2011-A15]
The nature of magnetism in Ni-doped ZnO magnetic nano-particles (x=0.0, 0.10, 0.15, 0.20, 0.30) are synthesized by the sol-gel technique using solutions of Ni and Zn based alkoxide which are dissolved into a solvent and a chelating agent. X-ray diffraction (XRD), Scanning Electron Microscope (SEM) and Vibrating Sample Magnetometer (VSM) were employed to understand how the Ni-doped influenced the structural and magnetic properties of the nano-crystalline ZnO particles. The grain sizes of the ZnNiO nano-particles were measured to be approximately 90 nm by means of a Scanning Electron Microscope. XRD measurements and SEM studies show that Ni-doped ZnO has wurtzite structures with NiO secondary phases. Room temperature ferromagnetism was observed for highly Ni-doped ZnO nano-particles. (C) 2014 Elsevier B.V. All rights reserved.
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