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Effect of pH and annealing temperature on the structural and magnetic properties of cerium-substituted yttrium iron garnet powders produced by the sol-gel method

Materials Science-Poland
Volume 34 (2016): Issue 2 (June 2016)
By:
Open Access
|Jun 2016

Figures & Tables

Fig. 1

X-ray diffraction patterns of the garnet powders produced with a precursor solution at pH 2.45 and annealed at temperatures from 800 °C to 1400 °C.
X-ray diffraction patterns of the garnet powders produced with a precursor solution at pH 2.45 and annealed at temperatures from 800 °C to 1400 °C.

Fig. 2

X-ray diffraction patterns of the garnet powders annealed at 1400 °C obtained from solutions of pH values between 1.1 and 2.9.
X-ray diffraction patterns of the garnet powders annealed at 1400 °C obtained from solutions of pH values between 1.1 and 2.9.

Fig. 3

SEM images of the garnet samples heat treated at (a) 800 °C, (b) 1100 °C and (c) 1400 °C.
SEM images of the garnet samples heat treated at (a) 800 °C, (b) 1100 °C and (c) 1400 °C.

Fig. 4

VSM results of samples annealed between 800 and 1400 °C: (a) hysteresis curves and (b) coercivity and saturation magnetization values against annealing temperature.
VSM results of samples annealed between 800 and 1400 °C: (a) hysteresis curves and (b) coercivity and saturation magnetization values against annealing temperature.

Fig. 5

Crystallite size and magnetization at different pH values of initial solutions annealed at 1400 °C.
Crystallite size and magnetization at different pH values of initial solutions annealed at 1400 °C.
DOI: https://doi.org/10.1515/msp-2016-0036 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 362 - 367
Submitted on: Sep 27, 2015
Accepted on: Jan 18, 2016
Published on: Jun 10, 2016
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
sol-gel processes,
Ce-YIG; nanoparticles
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2016 I. Yarici, M. Erol, E. Celik, Y. Ozturk, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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