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[1] Zhang Xueyun**, Shi Lin, Zhai Ya, Shi Jing, et al. Ferromagnetic Resonance Study on the Permalloy SubmicronRectangular Arrays Prepared by Electron Beam Lithography* [J]. Journal of Southeast University (English Edition), 2002, 18 (2): 197-200. [doi:10.3969/j.issn.1003-7985.2002.02.020]
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Ferromagnetic Resonance Study on the Permalloy SubmicronRectangular Arrays Prepared by Electron Beam Lithography*()
电子束光刻亚微米矩形阵列的 坡莫合金薄膜铁磁共振谱的研究
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
18
Issue:
2002 2
Page:
197-200
Research Field:
Mathematics, Physics, Mechanics
Publishing date:
2002-06-30

Info

Title:
Ferromagnetic Resonance Study on the Permalloy SubmicronRectangular Arrays Prepared by Electron Beam Lithography*
电子束光刻亚微米矩形阵列的 坡莫合金薄膜铁磁共振谱的研究
Author(s):
Zhang Xueyun1**, Shi Lin1, Zhai Ya1, Shi Jing2
1Department of Physics, Southeast University, Nanjing 210096, China
2Department of Physics, University of Utah, Salt Lake City, UT 84112, USA
张雪云1, 石林1, 翟亚1, 施靖2
1东南大学物理系, 南京210096; 2犹他大学物理系, 盐湖城, 美国
Keywords:
ferromagnetic resonance;  permalloy film;  submicron arrays
铁磁共振;  坡莫合金薄膜;  亚微米阵列
PACS:
O482.54
DOI:
10.3969/j.issn.1003-7985.2002.02.020
Abstract:
In this paper, we report a ferromagnetic resonance study on the permalloy film of submicron-sized rectangular arrays prepared by electron beam lithography and the theoretical simulation to the non-uniform demagnetizing effect and ferromagnetic resonance data. By theoretical simulation, the magnetization, gyromagnetic ratio and g value of the sample are determined. The theoretical curves of the dependence of the resonance field on the field orientation φH fit well with the experimental data. When the steady magnetic field is applied near the film normal, a series of additional regular peaks(up to eight )appeared in the FMR spectrum on the low field side of the main FMR peak. The resonance field of these side peaks decreases linearly with the peak number. The possible physical mechanism of these multiple peaks was discussed.
报告了对电子束刻蚀的亚微米矩形阵列坡莫合金NiFe薄膜系统的铁磁共振(FMR)研究及对矩形阵列不均匀退磁场和铁磁共振谱进行的理论拟合.计算出样品的有效磁化强度M, 回旋磁比γ以及兰德因子g等参数, 并且得出了共振场与所加磁场方位关系的理论曲线.结果与实验曲线一致.研究证明矩形单元导致了单轴平面磁各向异性.本文还发现了在外磁场加在垂直于膜面的方向时, 在主共振峰的低场侧出现了一系列规则的卫星峰, 并对这一系列的子峰出现可能的机制进行了探讨.

References:

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Memo

Memo:
* The project supported by the National Natural Science Foundation of China(50171020).
** Born in 1978, female, graduate.
Last Update: 2002-06-20