Phonon-polariton dynamics in sodium silicate glasses investigated by terahertz time-domain spectroscopy
POSTER
Abstract
We investigated phonon-polariton dynamics in the sodium silicate glass system using terahertz time-domain spectroscopy. Then, using a novel damped harmonic oscillator model in which an attenuation term with wavenumber dependence was introduced, the dielectric response in the terahertz region, especially the absorption behavior owing to the boson peak, was investigated.
Presenters
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Yu Duan
University of Tsukuba
Authors
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Yu Duan
University of Tsukuba
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Yasuhiro Fujii
Ritsumeikan University
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Hiroyuki Hijiya
AGC Inc.
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Suguru Kitani
Tokyo Institute of Technology, Materials and Structures Laboratory, Tokyo Institute of Technology
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Akitoshi Koreeda
Ritsumeikan University
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Yohei Yamamoto
University of Tsukuba, Department of Materials Science, University of Tsukuba
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Tatsuya Mori
University of Tsukuba, Department of Materials Science, University of Tsukuba