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Browse Journals & Magazines > Journal of Applied Physics ...> Volume:109 Issue:7 Help

Magnetic and microwave absorption properties of W-type Ba(ZnxCo1-x)2Fe16O27 hexaferrite platelets

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6 Author(s)
Zi, Z.F. ; School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, People’s Republic of China ; Dai, J.M. ; Liu, Q.C. ; Liu, H.Y.
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W-type barium hexaferrite platelets Ba(ZnxCo1-x)2Fe16O27 (0.1 ≤ x ≤ 0.9) were prepared by a chemical coprecipitation route. The results of field-emission scanning electronic microscopy showed that the grains were regular hexagonal platelets with sizes from 0.5 to 1.5 μm. With increasing x, the coercivity decreased, whereas the saturation magnetization increased. Microwave absorption properties were investigated in the frequency range of 8–12 GHz. An optimal reflection loss (-24.8 dB) reached at 10 GHz for x = 0.5 with a thickness of 2 mm. These results indicated that our samples might be a potential candidate for permanent magnets and microwave absorption materials.

Published in:
Journal of Applied Physics  (Volume:109 ,  Issue: 7 )

Date of Publication: Apr 2011

Page(s):
07E536 - 07E536-3
ISSN :
0021-8979
Digital Object Identifier :
10.1063/1.3559538
Product Type:
Journals & Magazines
Date of Current Version :
21 April 2011
Issue Date :
Apr 2011

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