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- Title
Synthesis and microwave absorbing properties of Mn-Zn nanoferrite produced by microwave assisted ball milling.
- Authors
Zhang, Ying-zhe; Kang, Zhi-tao; Chen, Ding
- Abstract
In this paper, well dispersed spinel MnZnFeO (x = 0.3,0.5 and 0.7) were obtained by microwave assisted ball milling at 2.45 GHz through only one step. The synthesized products were characterized by X-ray diffraction, high resolution transmission electron microscope, vibration sample magnetometer, and vector network analysis. Synthesized Mn-Zn nanoferrite showed the saturation magnetization reached 84.91emu/g when the x was 0.7 and the largest magnetic loss tangent at the frequency of 2.45 GHz. Microwave absorbing properties of these composites were studied at the frequency range of 2-18 GHz. Two microwave reflection loss peaks appeared for all the spinel ferrite. When x was 0.5, the minimum reflection loss appeared at the highest frequency. When x was 0.7, these two minimum reflection loss peaks, −17.36 and −48.13 dB, were calculated with the −10 dB bandwidth at the frequency ranges of 2.24-5.04 and 13.28-14.88 GHz, respectively. Resonance reflection loss peaks shifted to lower frequencies when the matching thickness increased.
- Subjects
MANGANESE zinc ferrite; NANOPARTICLE synthesis; BALL mills; X-ray diffraction; MAGNETIZATION
- Publication
Journal of Materials Science: Materials in Electronics, 2014, Vol 25, Issue 10, p4246
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-014-2156-z