AYDI, Abdelhedi; CHKOUNDALI, Souad; KHEMAKHEM, Hamadi; SIMON, Annie; VON DER MÜHLL, Régnault

doi:10.1016/j.jallcom.2007.10.108

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AYDI, Abdelhedi
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Laboratoire des Matériaux Ferroélectriques [LMF]

CHKOUNDALI, Souad
Laboratoire des Matériaux Ferroélectriques [LMF]

KHEMAKHEM, Hamadi
Laboratoire des Matériaux Ferroélectriques [LMF]

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Journal of Alloys and Compounds. 2008, vol. 465, n° 1-2, p. 222-226

Elsevier

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Compounds in the pseudo-binary CaSnO3/NaNbO3 system have been synthesized at 1350 °C in oxygen air. This sample was characterized by X-ray diffraction as well as dielectric measurements and Raman spectroscopy. Using the Rietveld refinement powder X-ray diffraction the crystal structure of CaSnO3/NaNbO3 was found at room temperature. These compounds crystallize at room temperature in tetragonal space group P4mm for x = 0.925 and in cubic group Pm3m for x = 0.895. The evolution of the Raman spectra was studied as a function of various compositions at room temperature.< Leer menos

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Ceramic

Ferroelectric

Relaxor

Dielectric

X-ray diffraction

Permittivity

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X-ray diffraction, dielectric measurements and Raman spectroscopy Studies of the (1 − x)CaSnO3 − x NaNbO3 solid solution

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