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α-Fe_2O_3纳米线和体材料的拉曼光谱的温度依赖性 被引量：5

Temperature-dependent Raman Spectra of α-Fe_2O_3 Nano-wire and Bulk Material
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摘要 研究了α-Fe2O3体材料和纳米线的拉曼光谱的频率对温度的依赖性,认为纯温度效应是影响其拉曼光谱温度依赖性的主要因素。讨论了α-Fe2O3纳米线和体材料的拉曼光谱温度依赖性不同的根源。 Micro-Raman spectroscopy is used to study α-Fe_2O_3 nano-wire and bulk materials. The temperature dependence on the peak frequency of Raman spectra of both samples is studied. The results suggest that the anharmonic effect plays an important role in Raman shifts with temperature. And the origin of the difference between the temperature coefficients of the spectra of both samples is discussed.
作者 胡涛 傅云义 张酣 张树霖 欧阳贱华 赵新生
机构地区 北京大学物理学院 北京大学化学学院
出处 《光散射学报》 2004年第4期303-306,共4页 The Journal of Light Scattering
基金 国家自然科学重大基金(编号:60290083) 面上基金(编号:50272017)
关键词 α-Fe2O3体材料 α-Fe2O3纳米线 拉曼光谱 纯温度效应 bulk α-Fe_2O_3 α-Fe_2O_3 nano-wire Raman spectroscopy anharmonic effects
分类号 O657.37 [理学—分析化学]
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参考文献10

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二级参考文献21

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光散射学报
2004年 第4期

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