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Published in: Journal of Materials Science: Materials in Electronics 9/2013

01-09-2013

Dielectric and magnetic properties of DyMnO3 ceramics

Authors: S. Samantaray, B. K. Roul

Published in: Journal of Materials Science: Materials in Electronics | Issue 9/2013

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Abstract

This paper reports the dielectric and magnetic properties of DyMnO3 (DMO) ceramics sintered at 1,100 and 1,350 °C temperature for 10 h. Sample sintered at 1,100 °C showed presence of secondary phases of Dy2O3 whereas the monophasic orthorhombic structure of DyMnO3 sample is synthesized only at sintering temperature of 1,350 °C. The dielectric properties of the sintered sample of DMO were investigated as a function of temperature (T ≥ 300 K) and frequency (10 kHz–1 MHz). Both the sintered samples showed frequency independent dielectric anomaly at 313 K. These samples exhibited ferroelectric behavior at room temperature which was evidenced from the polarization hysteresis loop measurement. No magnetic transition has been observed at room temperature. However, magnetic field dependent magnetization and temperature dependent magnetization showed the paramagnetic behavior of the DyMnO3 samples.

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Metadata
Title
Dielectric and magnetic properties of DyMnO3 ceramics
Authors
S. Samantaray
B. K. Roul
Publication date
01-09-2013
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 9/2013
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-013-1260-9

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