Optical Band Gap of Barium Titanate Nanoparticles Prepared by RF-plasma Chemical Vapor Deposition

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概要

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• The size dependence of the band gap for barium titanate nanoparticles prepared by RF-plasma chemical vapor deposition was investigated by measuring the diffuse reflectance spectra. The band gap of the indirect transition gradually increased, as the particle sizes decreased to less than 11.5 nm. Consequently, the band gap for particles of 6.7 nm in size was measured to be 3.47 eV, which was approximately 0.25 eV larger than that of BaTiO3 bulk. This phenomenon was discussed on the basis of quantum confinement model.

• INSTITUTE OF PURE AND APPLIED PHYSICSの論文
• 2005-04-15

著者

• Suzuki Keigo

  Murata Manufacturing Co. Ltd.

• Kijima Kazunori

  Department Of Chemistry And Materials Engineering Kyoto Institute Of Technology

• Suzuki Keigo

  Murata Manufacturing Co. Ltd., 1-10-1 Higashi-kotari, Nagaokakyo, Kyoto 617-8555, Japan

• Kijima Kazunori

  Department of Chemistry and Materials Engineering, Kyoto Institute of Technology, Goshokaido-cho, Matsugasaki, Sakyo-ku, Kyoto, Kyoto 606-8585, Japan

関連論文

• Dielectric Properties of BaTiO_3 Films Prepared by RF-Plasma Chemical Vapor Deposition
• Optical Band Gap of Barium Titanate Nanoparticles Prepared by RF-plasma Chemical Vapor Deposition
• Optical Band Gap of Barium Titanate Nanoparticles Prepared by RF-plasma Chemical Vapor Deposition
• Dielectric Properties of BaTiO3 Thin Films Prepared by Laser Ablation
• High Energy-Resolution Electron Energy-Loss Spectroscopy Study of Electronic Structures of Barium Titanate Nanocrystals

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