Room Temperature Linearly Polarized Light Transmission Properties in TiO2 Nanoclusters

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Room Temperature Linearly Polarized Light Transmission Properties in TiO₂ Nanoclusters

WANG Dehuang¹, CHENG Humin², MA Jiming², LIANG Ruisheng³, TANG Zhelie³

¹National Laboratory for Superlattices and Microstructures, Department of Physics, Peking University, Beijing, 100871; ²College of Chemistry and Molecular, Peking University, Beijing, 100871; ³Department of Physics, Huanan Normal University, Guangzhou, 510631

Received:1996-12-05 Online:1998-09-20 Published:1998-09-20

TiO₂纳米晶簇室温线偏振光透射特性

王德煌¹, 程虎民², 马季铭², 梁瑞生³, 唐志列³

¹半导体超晶格国家重点实验室，北京大学物理学系，北京，100871; ²北京大学化学与分子工程学院，北京，100871; ³华南师范大学物理学系，广州，510631

Abstract

Abstract: The experimental results on transmission properties of linearly polarized light in TiO₂ nanoclusters at room temperature are reported. It was found that the transmission change as increasing wavelength nonlinearly varied. The measured value for band-gap wavelength is about 396nm and it is less than that for bulk crystals. The result is in conformity with the blue-shift phenomena given by the quantum-size effect.

Key words: TiO₂ nanoclusters, linearly polarized light, transmission

摘要： 报道TiO₂纳米晶簇室温线偏振光透射谱实验测量结果。样品光透射值随波长非线性变化。带隙波长测量值约为396nm。它小于体单晶的值，结果与量子尺寸效应研究表明的兰移现象相符合。

关键词: TiO₂纳米晶簇, 线偏振光, 透射

CLC Number:

O434
O433.4

WANG Dehuang,CHENG Humin,MA Jiming,LIANG Ruisheng,TANG Zhelie. Room Temperature Linearly Polarized Light Transmission Properties in TiO₂ Nanoclusters[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

王德煌, 程虎民, 马季铭, 梁瑞生, 唐志列. TiO₂纳米晶簇室温线偏振光透射特性[J]. 北京大学学报（自然科学版）.

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Room Temperature Linearly Polarized Light Transmission Properties in TiO₂ Nanoclusters

TiO₂纳米晶簇室温线偏振光透射特性

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