期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 420, 期 -, 页码 336-342出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2016.07.058
关键词
Emulsion polymerization; Magneto-electric composite; Radiation loss; Vector network analyzer
资金
- Lovely Professional University [LPU/DRD/IPF/Sac/004]
Nanocomposites of substituted barium hexaferrite and barium titanate embedded in a polymer were synthesized via emulsion polymerization. The study was performed by using X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy, electron spin resonance spectroscopy, a vibrating sample magnetometer and a vector network analyzer. It is found that maximum radiation loss occur at 16.09 GHz (14.23 dB) frequency owing to the combined effect of conducting polymer, suitable dielectric and magnetic material. This suggests that prepared material is suitable for radiation losses. Micro structural study reveals the presence of all the phases of the compounds comprises composite. Benzene ring absorption band (at 1183 cm(-1)) in FT-IR spectra illustrates the presence of polymer. Surface morphology reveals the presence of array of particles encapsulated by the polymer. (C) 2016 Elsevier B.V. All rights reserved.
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