Structural and magnetic properties of yttrium iron garnet (YIG) and yttrium aluminum iron garnet (YAIG) nanoferrites prepared by microemulsion method
作者： Majid Niaz Akhtar , Abu Bakar Sulong , Muhammad Azhar Khan , Mukhtar Ahmad , Ghulam Murtaza
DOI: 10.1016/J.JMMM.2015.10.060
关键词: Coercivity 、 Yttrium iron garnet 、 Yttrium 、 Remanence 、 Materials science 、 Scanning electron microscope 、 Magnetometer 、 Hysteresis 、 Nuclear magnetic resonance 、 Sintering 、 Analytical chemistry
摘要: Abstract Yttrium iron garnet (YIG) and yttrium aluminum (YAIG) nanoferrite samples were synthesized by microemulsion method. The effect of sintering was examined heating the at 900, 1000, 1100 °C. YIG YAIG then characterized using X-ray diffraction field-emission scanning electron microscopy. Static dynamic magnetic properties measured evaluating initial permeability, Q factor, vibrating sample magnetometry samples. sintered 1100 °C showed higher permeability factor compared with However, hysteresis loops also variations in saturation magnetization, remanence, coercivity observed parameter such as are strongly affected increasing temperature. magnetization nanoferrites found range 11.56–19.92 emu/g 7.30–87.70 Oe respectively. Furthermore, decreasing trends static may be due to introduction Al ions crystal lattice. Thus, can used for wide-ranging frequency applications.
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