A novel broadband ferromagnetic resonance spectrometer

被引：4
|
作者：
Unwin, ME
Haycock, PW [1 ]
Hoon, SR
Grannell, PK
机构：
[1] Univ Keele, Sch Chem & Phys, Birchall Ctr Inorgan Chem & Mat Sci, Keele ST5 5BG, Staffs, England
[2] Manchester Metropolitan Univ, Dept Environm & Geog Sci, Manchester M1 5GD, Lancs, England
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1999年 / 205卷 / 2-3期
关键词：
ferromagnetic resonance; absorption spectra; anisotropy;
D O I：
10.1016/S0304-8853(99)00521-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel ferromagnetic resonance technique has been developed, allowing both swept-held and swept-frequency absorption spectra to be produced using a single broadband spectrometer. A straightforward through-transmission method removes the need for a commercial network analyzer, making this a versatile yet inexpensive tool for the characterization of magnetic materials. initial results from gamma ferric oxide tape show good agreement with published data from a conventional, swept-field fixed-frequency FMR spectrometer and indicate the potential of this technique which also enables measurements of the magnetic anisotropy. Swept-frequency and swept-field data are presented for a range of sample orientations. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：199 / 208
页数：10
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