A comparative study of Ni<sub>0.7</sub>Zn<sub>0.3</sub>Fe<sub>2</sub>O<sub>4</sub>obtained by sol-gel auto-combustion and flash combustion methods

Andris Šutka, Santa Lagzdiņa, Gundars Mežinskis, Artūrs Plūdons, I. Vı̄tiņa, Laimons Timma

IOP Conference Series Materials Science and Engineering · 2011 · 20 citations · 22 references

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Abstract

In this study, the nickel–zinc ferrites were prepared via two different methods: the sol-gel auto combustion method and the flash combustion method. Obtained reaction products were sintered at different temperatures 900, 1100 and 1300 °C. The structural and microstructural, as well as electric and dielectric properties of different samples were discussed. The synthesis method has a marked effect on crystalline order, grain size and its distribution, electrical resistivity and dielectric properties.

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