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

زهره ملک نژاد ¹

خلیل قیصری ²

عباس هنربخش رپوف ¹

¹ دانشگاه سمنان

² دانشگاه شهید چمران اهواز

10.22067/ma.v0i29.49142

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

فریت منگنز– روی

روش احتراقی ‌گلیسین-نیترات

ثابت دی الکتریک

طیف‌نگاری امپدانس

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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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