期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 373, 期 -, 页码 60-64出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2014.03.032
关键词
Magnetic materials; Nanostructures; Sol-gel growth; Magnetic properties
资金
- Research Fund of Bahcesehir University
- Scientific Research Center (BAB) of Istanbul University [BYP-12146]
Zn0.98-xMgxAl0.02O solutions with different (x=0.05, 0.10,0.15, and 0.20) compositions were synthesized by the sol-gel technique using Zn, Mg and Al based alkoxide. The effects of highly Mg doping ratio on structure and magnetic properties were investigated systematically. The phase and the crystal structure of the Zn0.98-xMgxAl0.02O nanoparticles were characterized using X-ray diffraction. Scanning Electron Microscope and X-ray diffraction were utilized to understand the size and microstructure of samples. We observed the particle sizes of nanoparticles between 80 nm and 100 nm range. Furthermore, ESR spectra of Zn0.98-xMgxAl0.02O nanoparticles were collected at room temperature on a Bruker EMX model X-band spectrometer operating at a frequency of 9.50 GHz. It is observed that the critical concentration of Mg, x=0.1, has minimum g-factor and maximum line-width (W). (C) 2014 Elsevier B.V. All rights reserved.
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