Infrared Study of Surface Phonon Modes in ZnO Small Crystals
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- Yamamoto Keiichi
- Department of Electronic Engineering, Faculty of Engineering, Kobe University
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- Ueda Kazuo
- Department of Electronic Engineering, Faculty of Engineering, Kobe University
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- Yamada Masayoshi
- Department of Electronic Engineering, Faculty of Engineering, Kobe University
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- Abe Kenji
- Department of Electronic Engineering, Faculty of Engineering, Kobe University
書誌事項
- タイトル別名
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- Infrared Study of Surface Phonon Modes
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抄録
Infrared transmission spectra of ZnO particles, whose diameters are much smaller than the wavelength of incident light, surrounded by various dielectric media with different dielectric constant have been measured in the photon energy region from 300 to 600 cm−1. Four transmission peaks were found in the photon energy region between ωTO (E⊥c: 406 cm−1, E⁄⁄c: 377 cm−1) and ωLO (E⊥c: 589 cm−1, E⁄⁄c: 575 cm−1), which showed features specific to the surface phonon modes. By taking account of both the optical anisotropy and the actual shape of particles, these four peaks were identified to be surface phonon modes of spherical (F), cubic (c) or cylindrical (cy) particles; ωF⊥ mode, ωc⁄⁄ mode, ωcy⊥ mode and overlapped peak of ωc⊥ and ωF⁄⁄ modes, where the symbols ⊥ and ⁄⁄ stand for the correlation between the crystal axis and the electric field component of the incident light.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 46 (6), 1792-1796, 1979
一般社団法人 日本物理学会
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詳細情報
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- CRID
- 1390282679166976000
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- NII論文ID
- 110001964380
- 130003895925
- 210000087850
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1979JPSJ...46.1792Y
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- COI
- 1:CAS:528:DyaE1MXks1Gks78%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 2053416
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可