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Ca3(BO3)2的振动光谱分析

Vibrational spectrum analysis of Ca3(BO3)2

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摘要

分别利用因子群对称分析法和位置群对称分析法对Ca3 (BO3 )2 晶体的振动模式进行了理论分析。 Ca3 (BO3 )2 的晶格振动模式分为外振动和内振动模式,外振动模式为: 3A1g+4A2g+7Eg+3A1u+3A2u+6Eu, 内振动模式为: 2A1g+2A2g+4Eg+2A1u+2A2u+4Eu。Ca3 (BO3 )2 晶体在布里渊区中心Γ点 晶格振动的对称性 分类为: 5A1g+6A2g+11Eg+5A1u+6A2u+11Eu, 其中声学模为: A2u+Eu,拉曼活性光学模为: 5A1g+11Eg,红外活性光学模为:5A2u+10Eu,其余为非拉曼、非红外活性光学振动模。用高温固相法成功合成了 Ca3 (BO3 )2 粉末,测量了它的室温Raman光谱,并利用群论分析的结果对谱图进行了讨论,指认了BO3-3基团的特征振动频率。

Abstract

Factor group symmetry analysis method and position symmetry analysis method were applied to analyze the lattice vibration of Ca3 (BO3 )2 crystal. The fundamental lattice vibrational modes of Ca3 (BO3 )2 can be subdivided into external modes (3A1g+4A2g+7Eg+3A1u+3A2u+6Eu) and internal modes (2A1g+2A2g+4Eg+2A1u+2A2u+4Eu). Total vibrational modes are classified as 5A1g+6A2g+11Eg+5A1u+6A2u+11Eu. Among them, the ungerade modes A2u+Eu are acoustic modes, 5A2u+10Eu are IR active, the gerade modes 5A1g+11Eg are Raman active, and the others are neither Raman active nor IR active. Ca3 (BO3 )2 powder was synthesized by solid state method. Room temperature Raman spectrum of the powder was obtained. The experiment results are discussed, and the characteristic vibrational peaks of the BO3-3 groups were identified.

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中图分类号:O657.37

所属栏目:第二届全国光学青年学术论坛论文选登

基金项目:国家自然科学基金(90922003)、中国科学院功能晶体与激光技术重点实验室开放课题、 上海市现代冶金与材料制备重点实验室开放课题(SELF-2009-01)资助项目

收稿日期:2010-12-20

修改稿日期:2010-12-23

网络出版日期:0001-01-01

作者单位    点击查看

顾桂新:中国科学院安徽光学精密机械研究所,安徽 合肥 230031
吕宪顺:中国科学院安徽光学精密机械研究所,安徽 合肥 230031
王迪:中国科学院安徽光学精密机械研究所,安徽 合肥 230031
万松明:中国科学院安徽光学精密机械研究所,安徽 合肥 230031上海大学上海市现代冶金与材料制备重点实验室,上海 200072
张庆礼:中国科学院安徽光学精密机械研究所,安徽 合肥 230031
殷绍唐:中国科学院安徽光学精密机械研究所,安徽 合肥 230031
尤静林:上海大学上海市现代冶金与材料制备重点实验室,上海 200072

联系人作者:顾桂新(guixingu1984@hotmail.com)

备注:顾桂新(1984-), 女,河北人,研究生,从事Raman晶体生长理论和实验研究。

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引用该论文

GU Gui-xin,Lü Xian-shun,WANG Di,WAN Song-ming,ZHANG Qing-li,YIN Shao-tang,YOU Jing-lin. Vibrational spectrum analysis of Ca3(BO3)2[J]. Chinese Journal of Quantum Electronics, 2011, 28(2): 210-217

顾桂新,吕宪顺,王迪,万松明,张庆礼,殷绍唐,尤静林. Ca3(BO3)2的振动光谱分析[J]. 量子电子学报, 2011, 28(2): 210-217

被引情况

【1】刘影,郝伟,卢昊. 硼酸晶体结构分析及拉曼光谱测试. 光散射学报, 2014, 26(2): 144-147

【2】姚亚楠,张树杰,顾桂新,万松明. Ca3(BO3)2晶体的受激Raman散射活性模式研究. 量子电子学报, 2019, 36(2): 213-218

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