期刊
出版社
IEEE
DOI: 10.1109/IRMMW-THZ46771.2020.9370785
关键词
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For disordered systems, a universal excitation called the boson peak appears in the terahertz range. In this study, we performed terahertz time-domain spectroscopy on an oxide glass with entropic elasticity-mixed alkali metal metaphosphate glass with the chemical composition Li0.25Na0.25K0.25Cs0.25PO3 (LiNaKCsPO3)-to detect the boson peak. The obtained spectra were compared with results of low-frequency Raman scattering and low-temperature specific heat measurements.
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