Int. J. Mol. Sci. 2012, 13(7), 8540-8548; doi:10.3390/ijms13078540
Article

Reflection and Transmission Coefficient of Yttrium Iron Garnet Filled Polyvinylidene Fluoride Composite Using Rectangular Waveguide at Microwave Frequencies

1 Fundamental and Applied Science Department, Universiti Teknologi PETRONAS, Seri Iskandar, 31750, Perak, Malaysia 2 Department of Physics, Faculty of Science, Universiti Putra Malaysia, Serdang, 43400 UPM, Selangor, Malaysia 3 Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang, 43400 UPM, Selangor, Malaysia 4 Material & Energy Research Center, Alborz, Karaj, 3177983634, Iran 5 Department of Chemical Engineering, Faculty of Engineering, Islamic Azad University, Malard Branch, 3169153174, Iran
* Authors to whom correspondence should be addressed.
Received: 6 May 2012; in revised form: 20 June 2012 / Accepted: 1 July 2012 / Published: 9 July 2012
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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.
Keywords: microwave measurements; RW-90 waveguide; YIG; PVDF; composites

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MDPI and ACS Style

Soleimani, H.; Abbas, Z.; Yahya, N.; Shameli, K.; Soleimani, H.; Shabanzadeh, P. Reflection and Transmission Coefficient of Yttrium Iron Garnet Filled Polyvinylidene Fluoride Composite Using Rectangular Waveguide at Microwave Frequencies. Int. J. Mol. Sci. 2012, 13, 8540-8548.

AMA Style

Soleimani H, Abbas Z, Yahya N, Shameli K, Soleimani H, Shabanzadeh P. Reflection and Transmission Coefficient of Yttrium Iron Garnet Filled Polyvinylidene Fluoride Composite Using Rectangular Waveguide at Microwave Frequencies. International Journal of Molecular Sciences. 2012; 13(7):8540-8548.

Chicago/Turabian Style

Soleimani, Hassan; Abbas, Zulkifly; Yahya, Noorhana; Shameli, Kamyar; Soleimani, Hojjatollah; Shabanzadeh, Parvaneh. 2012. "Reflection and Transmission Coefficient of Yttrium Iron Garnet Filled Polyvinylidene Fluoride Composite Using Rectangular Waveguide at Microwave Frequencies." Int. J. Mol. Sci. 13, no. 7: 8540-8548.

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