کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8156902 1524857 2014 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Broadband spectroscopy of magnetic response in a nano-scale magnetic wire
ترجمه فارسی عنوان
طیف سنجی باند پهن از پاسخ مغناطیسی در سیم مغناطیسی نانو
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
چکیده انگلیسی
We measure the broadband spectra of magnetic response in a single layered ferromagnetic nano-scale wire in order to investigate the size effect on the ferromagnetic resonance. We found that the resonance frequency difference between 300-nm- and 5-μm-wide wires was varied by about 5 GHz due to the shape anisotropy. Furthermore, we experimentally detected the magnetization precession induced by the thermal fluctuation via the rectification of a radio-frequency (rf) current by incorporating an additional direct current (dc) by using Wheatstone bridge circuit. Our investigation renders that the shape anisotropy is of great importance to control the resonance frequency and to provide thermal stability of the microwave devices.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 364, September 2014, Pages 34-38
نویسندگان
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