One-Dimensional Magnonic Crystal for Magnetic Field Sensing

被引：21
|
作者：
Atalay, S. [1 ]
Kaya, A. O. [1 ]
Kolat, V. S. [1 ]
Gencer, H. [1 ]
Izgi, T. [1 ]
机构：
[1] Inonu Univ, Fac Sci, Dept Phys, Malatya, Turkey
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2015年 / 28卷 / 07期
关键词：
Magnonic crystals; Magnetic field sensor; YIG film; Magnetostatic surface wave (MSSW); Band gap; SENSORS; YIG;
D O I：
10.1007/s10948-015-3006-9
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Magnetic field sensor capacity of one-dimensional magnonic crystals was investigated. The surface of YIG film was modulated by periodic Cu stripes and magnet array in one dimension. The surface modulations of YIG film form sharp band gaps, since magnetostatic surface wave (MSSW) propagates through the surface of a magnetic material. It was found that a very small magnetic field change leads to a large change in the peak value of band gap frequency. A 1-Oe change in the field caused nearly 2.7 and 2.6 MHz shift in the band gap frequency for magnonic crystals modulated by periodic Cu stripes and magnet array, respectively, which means that a very low magnetic field change could be detected. Such a large shift in the band gap frequency makes these one-dimensional magnonic crystals attractive candidates for magnetic field sensing.
引用
收藏
页码：2071 / 2075
页数：5
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