Title of article
Preparation, structural and optical properties of a new class of compounds, Bi2MNbO7 (M=Al, Ga, In)
Author/Authors
Zou، نويسنده , , Zhigang and Ye، نويسنده , , Jinhua and Arakawa، نويسنده , , Hironori، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2001
Pages
3
From page
83
To page
85
Abstract
A new class of compounds, Bi2MNbO7 (M=Al, Ga, In), were synthesized by the solid-state reaction and characterized by powder X-ray diffraction and Rietveld structure refinement. The optical absorption and structural properties of Bi2MNbO7 (M=Al, Ga, In) were investigated. These compounds crystallize in the same pyrochlore structure, but the lattice parameters decrease with decreasing M (M=Al, Ga, In) ionic radii. The band gaps of the Bi2MNbO7 (M=Al, Ga, In) compounds were estimated to be about 2.9, 2.75 and 2.7 eV, respectively.
Keywords
Crystal structure and symmetry , Optical properties , chemical synthesis
Journal title
MATERIALS SCIENCE & ENGINEERING: B
Serial Year
2001
Journal title
MATERIALS SCIENCE & ENGINEERING: B
Record number
2136378
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