Study on the Crystal Structure and Microstructure of SrB4O7 doped with Li by X-ray Powder Diffraction

Abstract

Abstract: The doped Li ion has aneffect on both the crystal structure and property of SrB₄O₇. The crystal structure and microstructure of doped SrB₄O₇ was studied in detail from X-ray powder diffraction data. Its space group is Pmn21, cell parameters: a=1O.741(5)A, b=4.245(1)A, c=4.437(1)A, a little bigger than those of SrB₄O₇. Reasons for thesc changes were presented. In the cel1, Li ions occupy part of the vacancy between B-O layers; such a structure can improve the nonlinear optical coefficicnts. The errors of crystal data from references were also analyzed.

Key words: SrB₄O₇, crystal structure, microstructure, X-ray powder diffraction, rietveld method

LIU Hongchao,GUO Changlin,FAN Shiji,XU Yibin. Study on the Crystal Structure and Microstructure of SrB₄O₇ doped with Li by X-ray Powder Diffraction[J]. Journal of Inorganic Materials.

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Study on the Crystal Structure and Microstructure of SrB₄O₇ doped with Li by X-ray Powder Diffraction

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