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ISSN: 2321-9939 | ESTD Year: 2013

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Paper Title
Effect of Sol-gel preparation Technique on the properties of magnetically substituted Y-type hexaferrite
Authors
  Avinash .V .Behare,  Maheshkumar. Y.Salunkhe,  Amar .k. Nandanwar

Abstract
The effect of sol-gel preparation technique on the properties of magnetically substituted Y-type hexaferrite with nominal chemical composition Sr2Ni 2-x Co x Fe 12O 22 (x=0.5) have been examined in order to study the substitution effect of Cobalt-doping on the properties of Nickel Y-type hexaferrite. The structural, morphological and thermal study were characterized by employing X-Ray Diffraction (XRD), Scanning electron microscopy (SEM), Fourier trasnsform infrared spectroscopy (FTIR) and Thermogravimetric analysis (TGA). XRD spectra revealed that the high purity hexagonal Sr2Ni 2-x Co x Fe 12O 22 single phase was formed at synthesis temperature of 9500 C for 48 hours. The lattice parameter was found to be a=5.8979A0 and c=44.4527A0.The morphological study carried by SEM shows the prepared ferrite is hexagonal in shape. The infrared absorption study carried by FTIR shows that the vibrational bands are at the standard frequencies which is usually observed in hexagonal structure. The thermal properties of the prepared sample were investigated by Thermogravimetric analysis (TGA) which confirms the thermal stability of strontium hexaferrite. The DTA confirms the completion of Sr-ferrite phase formation by showing exothermic peak at 6000C.Thermoelectric study will be carried out up to 2500C for determining the seedback coefficient (Q).From dielectric study the curie temperature is found to be 1200C i.e 393K.

Keywords- Hexaferrite, Sol-gel, XRD, SEM, FTIR, TG-DTA, Thermoelectric study, dielectric constant.
Publication Details
Unique Identification Number - IJEDR1602318
Page Number(s) - 1820-1823
Pubished in - Volume 4 | Issue 2 | June 2016
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Avinash .V .Behare,  Maheshkumar. Y.Salunkhe,  Amar .k. Nandanwar,   "Effect of Sol-gel preparation Technique on the properties of magnetically substituted Y-type hexaferrite", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.4, Issue 2, pp.1820-1823, June 2016, Available at :http://www.ijedr.org/papers/IJEDR1602318.pdf
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