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Ben Moumen, S., Neqali, A., Asbani, B., Mezzane, D., Amjoud, M., Choukri, E., Gagou, Y., El Marssi, M. & Luk'yanchuk, I. A. (2018) Impedance spectroscopy studies on lead free Ba1-xMgx(Ti0.9Zr0.1)O-3 ceramics. Superlattices and Microstructures, 118 45–54. 
Added by: Richard Baschera (2018-07-17 08:58:09)   Last edited by: Richard Baschera (2020-07-10 15:21:58)
Type de référence: Article
DOI: 10.1016/j.spmi.2018.04.012
Numéro d'identification (ISBN etc.): 0749-6036
Clé BibTeX: BenMoumen2018
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Catégories: HORSIMN, INTERNATIONAL
Créateurs: Amjoud, Asbani, Ben Moumen, Choukri, El Marssi, Gagou, Luk'yanchuk, Mezzane, Neqali
Collection: Superlattices and Microstructures
Consultations : 3/454
Indice de consultation : 4%
Indice de popularité : 1%
Résumé     
Ba1-xMgx(Ti0.9Zr0.1)O-3 (x = 0.01 and 0.02) ceramics were prepared using the conventional solid state reaction. Rietveld refinement performed on X-ray diffraction patterns indicates that the samples are tetragonal crystal structure with P4mm space group. By increasing Mg content from 1 to 2% the unit cell volume decreased. Likewise, the grains size is greatly reduced from 10 mu m to 4 mu m. The temperature dependence of dielectric constants at different frequencies exhibited typical relaxor ferroelectric characteristic, with sensitive dependence in frequency and temperature for ac conductivity. The obtained activation energy values were correlated to the proposed conduction mechanisms. (C) 2018 Published by Elsevier Ltd.
  
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