کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1802724 | 1024603 | 2009 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Correlation of grain boundary nature with magnetization in RF-sputtered lithium-zinc ferrite thin films
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A significant advance in the understanding of grain boundary contribution to magnetization in nanocrystalline ferrite thin films is demonstrated in this paper. RF-sputtered, room-temperature-deposited lithium-zinc ferrite thin films (Li0.5âx/2ZnxMn0.1Fe2.35âx/2O4, with x=0.0, 0.16, 0.32 and 0.48) have been thermally annealed ex-situ at 850 °C and the in-plane magnetic measurements have been performed using a vibrating sample magnetometer. The percentage deviation between bulk and film magnetization (δM) is observed to decrease with increasing Zn concentration, till x=0.32, and then it increases. Macro-texture measurements using X-ray orientation distribution function and micro-texture measurements using orientation imaging microscopy show reverse trend in the extent of crystallographic texturing and in the computed fraction of low-angle grain boundaries. This study brings out a correlation between low-angle grain boundary concentration and δM.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 321, Issue 20, October 2009, Pages 3373-3379
Journal: Journal of Magnetism and Magnetic Materials - Volume 321, Issue 20, October 2009, Pages 3373-3379
نویسندگان
Lakshmikanta Aditya, J. Nanda, I. Samajdar, N. Venkataramani, Shiva Prasad,