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Reflection and transmission coefficient of yttrium iron garnet filled polyvinylidene fluoride composite using rectangular waveguide at microwave frequencies


Citation

Soleimani, Hassan and Abbas, Zulkifly and Yahya, Noorhana and Shameli, Kamyar and Soleimani, Hojjatollah and Shabanzadeh, Parvaneh (2012) Reflection and transmission coefficient of yttrium iron garnet filled polyvinylidene fluoride composite using rectangular waveguide at microwave frequencies. International Journal of Molecular Sciences, 13 (7). pp. 8540-8548. ISSN 1661-6596; ESSN: 1422-0067

Abstract

The sol-gel method was carried out to synthesize nanosized Yttrium Iron Garnet (YIG). The nanomaterials with ferrite structure were heat-treated at different temperatures from 500 to 1000 °C. The phase identification, morphology and functional groups of the prepared samples were characterized by powder X-ray diffraction (PXRD), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR), respectively. The YIG ferrite nanopowder was composited with polyvinylidene fluoride (PVDF) by a solution casting method. The magnitudes of reflection and transmission coefficients of PVDF/YIG containing 6, 10 and 13% YIG, respectively, were measured using rectangular waveguide in conjunction with a microwave vector network analyzer (VNA) in X-band frequencies. The results indicate that the presence of YIG in polymer composites causes an increase in reflection coefficient and decrease in transmission coefficient of the polymer.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: https://doi.org/10.3390/ijms13078540
Publisher: MDPI
Keywords: Microwave measurements; RW-90 waveguide; YIG; PVDF; Composites
Depositing User: Nabilah Mustapa
Date Deposited: 04 May 2017 04:43
Last Modified: 04 May 2017 04:43
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.3390/ijms13078540
URI: http://psasir.upm.edu.my/id/eprint/51964
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