X-ray powder diffraction and vibrational spectra studies of rare earth borophosphates, Ln(7)O(6)(BO3)(PO4)(2) (Ln=La, Nd, Gd, and Dy)

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	X-ray powder diffraction and vibrational spectra studies of rare earth borophosphates, Ln(7)O(6)(BO3)(PO4)(2) (Ln=La, Nd, Gd, and Dy)
	Y. Shi; J. K. Liang; H. Zhang; J. L. Yang; W. D. Zhuang; G. H. Rao
	1997
发表期刊	Journal of Solid State Chemistry
ISSN	0022-4596
卷号	129 期号:1 页码:45-52
摘要	The crystal structure of the isomorphical rare earth borophosphate compounds, Ln(7)O(6)(BO3)(PO4)(2) (Ln=La, Nd, Gd and Dy), has been studied by a combination of X-ray powder diffraction (XRD) and vibration spectroscopic techniques. The Raman and infrared specra of these compounds have been investigated, and their interpretation is discussed on both theoretical and experimental bases. Assignments have been deduced from the systematic investigation of pure compounds and isotopic species. A comparison of vibrational frequencies in La, Na, Gd, and Dy borophosphates reveals that the internal vibrations of the BO2 and PO4 ions shift to higher frequency with the decrement of lattice parameters from La to Dy, indicating a strengthening of the phosporus-oxygen and boron-oxygen bonding. (C) 1997 Academic Press.
部门归属	acad sinica,int ctr mat phys,shenyang 110015,peoples r china.;shi, y (reprint author), chinese acad sci,inst phys,pob 603,beijing 100080,peoples r china
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文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/38082
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. Shi,J. K. Liang,H. Zhang,et al. X-ray powder diffraction and vibrational spectra studies of rare earth borophosphates, Ln(7)O(6)(BO3)(PO4)(2) (Ln=La, Nd, Gd, and Dy)[J]. Journal of Solid State Chemistry,1997,129(1):45-52.
APA	Y. Shi,J. K. Liang,H. Zhang,J. L. Yang,W. D. Zhuang,&G. H. Rao.(1997).X-ray powder diffraction and vibrational spectra studies of rare earth borophosphates, Ln(7)O(6)(BO3)(PO4)(2) (Ln=La, Nd, Gd, and Dy).Journal of Solid State Chemistry,129(1),45-52.
MLA	Y. Shi,et al."X-ray powder diffraction and vibrational spectra studies of rare earth borophosphates, Ln(7)O(6)(BO3)(PO4)(2) (Ln=La, Nd, Gd, and Dy)".Journal of Solid State Chemistry 129.1(1997):45-52.