Bih, L. and Abbas, L. and El Amraoui, Y. and Manoun, B. and Belhorma, B. and Baudin, T. and Mezzane, D. (2008) Structural and dielectric properties of BaTiO3-NaPO3 glass-ceramics. Ferroelectrics, 371 (1 PART). pp. 56-62.

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Abstract

Glass-ceramics in the system xBaTiO3-(1-x)NaPO3 (0 < x < 14, x in mol) have been prepared and characterized. The structural organization of the glass-ceramics has been studied using XRD diffraction and infra-red (FTIR), 31P Magic angle spinning (MAS-NMR) and dielectric spectroscopies. Results suggest two distinct regions comprising the glass structure, one with low-BaTiO3 content and the other with higher content of the ferroelectric compound BaTiO3. The depolymerisation effects and the structure changes, promoted by BaTiO3 addition, are evidenced by means of the IR and NMR results. Dielectric permittivity shows that the ferroelectric-paraelectric transition temperature of each glass-ceramic appears at the same temperature for a pure BaTiO3 ceramic.

Item Type: Article
Uncontrolled Keywords: Barium titanate ceramics; Dielectric permittivities; Ferroelectric compounds; Ferroelectric paraelectric transition; FTIR; Glass structure; Infra red; Magic angle spinning; MAS NMR; Structural organization; Structure change; XRD, Barium; Ferroelectric materials; Ferroelectricity; Fourier transform infrared spectroscopy; Glass ceramics; Glass transition; Nuclear magnetic resonance; Structural ceramics, Barium titanate
Subjects: Materials Science
Divisions: SCIENTIFIC PRODUCTION > Materials Science
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:48
URI: http://eprints.umi.ac.ma/id/eprint/3697

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