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Synthesis and microwave absorbing property of the dendritic Fe0.6Co0.4 alloy

LIANGLIANG TIAN1,* , FEI WANG2

Affiliation

  1. Department of Research center for materials interdisciplinary science, Chongqing University of arts and sciences, Chongqing, PR China
  2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, PR China

Abstract

Dendritic Fe0.6Co0.4 alloy was synthesized by low temperature hydrothermal method under strong alkaline condition. Morphology, composition, structure, magnetic property and microwave absorbing property of the Fe0.6Co0.4 alloy were characterized by scanning electron microscopy (SEM), energy diffraction spectrum (EDS), X-ray diffraction (XRD), vibrating sample magnetometer (VSM) and vector network analyzer, respectively. XRD pattern reveals that the alloy shows bcc structure. The saturation magnetization, coercivity and residual magnetization is 212.39 emu/g, 56.0 Oe and 9.1 emu/g, respectively. The microwave absorbing property demonstrates that the minimum RL of the Fe0.6Co0.4 alloy is -14.08 dB at 3.1 GHz with a thickness 6.5 mm..

Keywords

Dendritic, FeCo alloy, Microwave absorbing property, Permittivity, Permeability.

Citation

LIANGLIANG TIAN, FEI WANG, Synthesis and microwave absorbing property of the dendritic Fe0.6Co0.4 alloy, Optoelectronics and Advanced Materials - Rapid Communications, 7, 9-10, September-October 2013, pp.688-691 (2013).

Submitted at: Nov. 20, 2012

Accepted at: Sept. 18, 2013