ساختار، ریز ساختار، خواص مغناطیسی، الکترومغناطیسی و دی الکتریک فریت نانو ساختار منگنز- روی تولید شده به روش ساخت احتراقی گلیسین-نیترات

نوع مقاله : علمی و پژوهشی

نویسندگان

1 دانشگاه سمنان

2 دانشگاه شهید چمران اهواز

چکیده

در این پژوهش، پودر فریت Mn0.5Zn0.5Fe2O4 به روش ساخت احتراقی گلیسین-نیترات، در نسبت‌های مختلفی از گلیسین به نیترات تهیه شد. ارزیابی‌های فازی به کمک روش پراش پرتو ایکس نشان داد که فاز فریت منگنز- روی با ساختار بلوری اسپینل به صورت موفقیت آمیزی در تمامی نمونه‌ها ایجاد شده است. خصوصیات مغناطیسی به کمک مغناطش‌سنج نمونۀ مرتعش تعیین شد. مغناطش اشباع در محدودۀ emu/g 3/63‌‌- 5/59 برای نمونه‌های تولید شده مشاهده گشت. ویژگی‌های دی‌الکتریک و الکترومغناطیس به کمک دستگاه LCR-meter ارزیابی شد. نمونۀ تولید شده در کمترین نسبت سوخت به نیترات دارای کمترین تلفات مغناطیسی و بیشترین نفوذ پذیری مغناطیسی است. طیف نگاری امپدانس تنها حضور یک نیم دایره را نشان داده که بیانگر اثر غالب مرزدانه در رفتار مواد مورد مطالعه است.

کلیدواژه‌ها

عنوان مقاله [English]

Structure, Microstructure, Magnetic, Electromagnetic and Dielectric Properties of Nanostructured Mn–Zn Ferrite Synthesized through Glycine-Nitrate Combustion Process

نویسندگان [English]

  • zohre Maleknejad 1
  • khalil gheisari 2
  • abbas Honarbakhsh Raouf 1
1 Semnan University
2 shiraz university
چکیده [English]

In this work, Mn0.5Zn0.5Fe2O4 ferrite powders were prepared through glycine-nitrate combustion method at different molar ratios of glycine to nitrate. X-ray diffraction patterns showed that samples crystallized successfully in a spinel-type structure in all reactions. Magnetic properties were measured using a vibrating sample magnetometer. The saturation magnetization values of the as-synthesized samples were found to be in the range of 59.5-63.3 emu/g. Dielectric and electromagnetic properties were examined by a LCR meter. The sample synthesized at the lowest G/N ratio showed the lowest magnetic loss and the highest permeability. The complex impedance analysis illustrated only one semicircle indicating the predominant effect of grain boundary property of the material.

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