Microwave Magnetic Properties of Nd2Fe17N3-δ with Planar Anisotropy

Chin. Phys. Lett.

2008, Vol. 25

Issue (3): 1068-1070 DOI:

Original Articles

Microwave Magnetic Properties of Nd₂Fe₁₇N_3-δwith Planar Anisotropy

LI Fa-Shen;WEN Fu-Sheng;ZHOU Dong;QIAO Liang;ZUO Wen-Liang

Institute of Applied Magnetics, Key Laboratory of Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000

Cite this article:

LI Fa-Shen, WEN Fu-Sheng, ZHOU Dong et al 2008 Chin. Phys. Lett. 25 1068-1070

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Abstract Microwave magnetic properties are studied for rhombohedral structure
NdNd₂Fe₁₇N_3-δ with planar magnetic anisotropy. Its resin composites show the permeability μ₀'=4.15 at low frequency, the natural resonance frequency f_r=1.71GHz and the resonance bandwidth 6.66GHz. The calculated static permeability of Nd₂Fe₁₇N_3-δ reaches 133. The microwave magnetic properties are determined by the c-axis anisotropy field, basal plane anisotropy field and high saturation magnetization. Based on microwave measurement and theoretical fitting on complex permeability spectra, Nd₂Fe₁₇N_3-δ may be a
promising microwave absorber with bandwidth wider than traditional hexaferrites materials in GHz ranges.

Keywords: 71.20.Eh 75.30.Gw 75.40.Gb

Received: 03 December 2007 Published: 27 February 2008

PACS:	71.20.Eh	(Rare earth metals and alloys)
	75.30.Gw	(Magnetic anisotropy)
	75.40.Gb	(Dynamic properties?)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2008/V25/I3/01068

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	LI Fa-Shen
	WEN Fu-Sheng
	ZHOU Dong
	QIAO Liang
	ZUO Wen-Liang

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