POLARIZED IR AND RAMAN-SPECTRA OF TETRAGONAL NABI(WO4)(2), NABI(MOO4)(2) AND LIBI(MOO4)(2) SINGLE-CRYSTALS WITH SCHEELITE STRUCTURE

被引:66
作者
HANUZA, J [1 ]
MACZKA, M [1 ]
VANDERMAAS, JH [1 ]
机构
[1] UNIV UTRECHT,FAC CHEM,UTRECHT,NETHERLANDS
关键词
D O I
10.1016/0022-2860(95)08660-N
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Polarized IR and Raman spectra of NaBi(MoO4)(2), NaBi(WO4)(2) and LiBi(MoO4)(2) single crystals were measured at room-temperature in the range of 580-1000 cm(-1) and 20-1000 cm(-1), respectively. In general, the recorded spectra are similar to the spectra of simple molybdates and tungstates. However, the polarization characteristics of the double molybdates and tungstate studied is different. The results obtained we interpret by assuming the existence of some short-range order in these structures.
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页码:349 / 352
页数:4
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