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Integrated Ferroelectrics
An International Journal
Volume 203, 2019 - Issue 1: Proceedings of the International Conference on Nano-Structured Materials and Devices (ICNSMD-2018): Part II of IV
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Section D: Magnetic Properties

Effect of Cr3+ Doped on Structural, Magnetic and Electrical Properties of Sol-Gel Synthesized SrFe12O19 Hexaferrite Nanoparticles

S. N. KamdeDepartment of Physics, Rajiv Gandhi Engering College, Chandrapur, India;
,
A. K. NandanwarDepartment of Physics, D.B. Science College, Gondia, India; Correspondence[email protected]
,
P. G. AgoneDepartment of Physics, Rajiv Gandhi Engering College, Chandrapur, India;
&
K. G. RewatkarDepartment of Physics, Dr. Ambedkar College, Nagpur, India
Pages 150-155 | Received 01 Oct 2018, Accepted 12 Aug 2019, Published online: 31 Dec 2019
 
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Abstract

Nanocrystalline SrFe12-xCrxO19 hexaferrite particles were successfully synthesized via Sol-gel route from Sr3+ and Fe3+ nitrates at molar ratio of 1:9 (Fe/Sr). The XRD results revealed single hexagonal magnetoplumbite SrFe10Cr2O19 phase formation in the presence of non-magnetic (α-Fe2O3) phases in the heated samples. The dielectric properties as a function of frequency under normal conditions were also measured in the frequency range of 500 Hz to 1 MHz. The variations of dielectric constant are discus on the basis of Maxwell–Wagner and Koops models. In VSM graph, coercivity and saturation magnetization confirms that the synthesized materials are suitable for applications in magnetic recording media.

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