نانومقیاس

نانومقیاس

مشخصه‌یابی ریزساختاری و تحلیل FORC حوزه مغناطیسی و رفتار بازگشتی در فریت‌های سخت و نرم نوع اسپینل

نوع مقاله : مقاله پژوهشی

نویسندگان
1 دانشگاه خلیج فارس
2 ذاشگاه خلیج فارس
چکیده
در این پژوهش، از روش منحنی بازگشتی درجه اول (First Order Reversal Curve – FORC) به‌منظور بررسی رفتار حوزهای مغناطیسی و تحلیل خواص مغناطیسی فریت‌های اسپینل سخت (فریت کبالت) و نرم (فریت نیکل) استفاده شده است. نمونه‌ها با استفاده از روش‌های استاندارد تهیه و ویژگی‌های ساختاری و مغناطیسی آن‌ها به کمک آنالیزهایی نظیر XRD و VSM مورد بررسی قرار گرفتند. با استفاده از نمودارهای FORC، توزیع وادارندگی، برهم‌کنش‌ها و رفتار برگشت‌پذیری مغناطیسی نمونه‌ها تحلیل گردید. نتایج نشان داد که نمونه‌های سخت و نرم دارای تفاوت‌های معناداری در ویژگی‌های مغناطیسی از جمله چگالی نقاط FORC، پیک توزیع و ناحیه‌های برگشت‌ناپذیر می‌باشند. این بررسی نشان می‌دهد که تحلیل FORC ابزار قدرتمندی برای درک عمیق‌تر از ساختار حوزه‌های مغناطیسی و برهم‌کنش‌های داخلی در مواد مغناطیسی نانوساختار است.
کلیدواژه‌ها
موضوعات

عنوان مقاله English

Microstructural Characterization and FORC Analysis of Magnetic Domain and reversal Behavior in Spinel-Type Hard and Soft Ferrites

نویسندگان English

Hossein Nikmanesh 1
Abbas Bachacheri 2
1 Persian Gulf University
2 Persian Gulf University
چکیده English

In this study, the First Order Reversal Curve (FORC) method was employed to investigate the magnetic domain behavior and analyze the magnetic properties of hard (cobalt ferrite) and soft (nickel ferrite) spinel ferrites. The samples were prepared using standard methods, and their structural and magnetic characteristics were examined using analyses such as X-ray diffraction (XRD) and vibrating sample magnetometry (VSM). Using FORC diagrams, the coercivity distribution, magnetic interactions, and magnetization reversal behavior of the samples were analyzed. The results indicated significant differences between hard and soft samples in terms of magnetic characteristics such as the FORC distribution, distribution peaks, and irreversible regions. This study demonstrates that FORC analysis is a powerful tool for gaining deeper insight into the magnetic domain structures and internal interactions in nanostructured magnetic materials.

کلیدواژه‌ها English

FORC
CoFe2O4 nanoparticles
NiFe2O4 nanoparticles
cation distribution
structural properties
magnetic properties
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دوره 12، شماره 1
بهار 1404
صفحه 35-44

  • تاریخ دریافت 15 مرداد 1403
  • تاریخ بازنگری 15 مهر 1403
  • تاریخ پذیرش 28 دی 1403