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Electrical characterization of spherical Ln(2)Zr(2)O(7) (Ln=La, Nd, Dy) prepared via a low temperature sol-gel route
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UNSPECIFIED (1996) Electrical characterization of spherical Ln(2)Zr(2)O(7) (Ln=La, Nd, Dy) prepared via a low temperature sol-gel route. EUROPEAN JOURNAL OF SOLID STATE AND INORGANIC CHEMISTRY, 33 (5). pp. 441-452. ISSN 0992-4361.
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Abstract
Spherical particles of lanthanide zirconates Ln(2)Zr(2)O(7) (Ln=La,Nd,Dy) were prepared by an aqueous inorganic sol-gel route. Characterisation was by X-ray diffraction, scanning electron microscopy, differential thermal analysis, thermogravimetric analysis and complex impedance spectroscopy. Calcination of the gel spheres at 750 degrees C produced fully crystalline fluorite phases. Further calcination above 850 degrees C produced pyrochlore phases with La and Nd. Activation energies and pre-exponential factors were calculated from complex impedance curves obtained in the temperatures range 570-1000K.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | EUROPEAN JOURNAL OF SOLID STATE AND INORGANIC CHEMISTRY | ||||
Publisher: | GAUTHIER-VILLARS | ||||
ISSN: | 0992-4361 | ||||
Official Date: | 1996 | ||||
Dates: |
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Volume: | 33 | ||||
Number: | 5 | ||||
Number of Pages: | 12 | ||||
Page Range: | pp. 441-452 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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