Optical activity and circular dichroism in the sillenite crystals

机译：白云母晶体的光学活性和圆二色性

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Optical absorption, power rotatory and circular dichroism of crystals of the sillenite family Bi_(12)M_xO_(20)(M-elements I-VIH of groups or their combination) were measured. The t_1-2e charge transfer transition of the [VO_4]~(3-) tetrahedral complexes is found to make a negative contribution to the optical rotation of the vanadium sillenite. We present a model. which takes into account a negative contribution from the chage-trasfer transitions of [MO_4]~(n-) complexes to the optical rotation in Bi_(12)M_xO_(20) crystals. It was found that M vacancies and crystal-field transitions of 3d-elements contribute significantly to the circular dichroism of silenite crystals.

机译：测量了亚硅沸石Bi_（12）M_xO_（20）（组的M-元素I-VIH或其组合）的晶体的光吸收，功率旋转和圆二色性。发现[VO_4]〜（3-）四面体配合物的t_1-2e电荷转移跃迁对钒亚硅酸盐的旋光性有负面影响。我们提出一个模型。这考虑到Bi_（12）M_xO_（20）晶体中[MO_4]〜（n-）络合物的电荷-跃迁跃迁对旋光性的负面影响。已经发现，M的空位和3d元素的晶体场跃迁显着促成硅铝石晶体的圆二色性。

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来源
《Conference on Optics of Crystals Sep 26-30, 2000, Mozyr, Belarus》|2000年|p.80-87|共8页
会议地点 Mozyr(BY)
作者
Vladimir I.Burkov; Yury F.Kargin; AnnaV.Egorysheva;
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作者单位

Moscow Institute of Physics and Technology, Dept. of Optics, Moscow region, Dolgoprudny, 141700, Russia.;

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会议组织
原文格式 PDF
正文语种 eng
中图分类晶体学;
关键词
sillenites; circular dichriosm; rotatory power; optical absorption;

机译：硅钙石圆形双色性旋转功率光学吸收;

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Optical activity and circular dichroism in the sillenite crystals

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