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首页> 外文期刊>Physica, B. Condensed Matter >Boson peak in modified borate glasses
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Boson peak in modified borate glasses

机译：改性硼酸盐玻璃中的玻色子峰

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摘要

The composition dependence of boson peak for modified borate glasses was measured using Raman scattering spectroscopy. For caesium and barium borate glasses, the peak frequency of boson peak is almost independent of the composition. While for lithium borate glass, it depends markedly on composition. The correlation between boson peak frequency and shear modulus determined by sound velocity was discussed in these glasses. It was concluded that the boson peak of modified borate glasses originates from a damped harmonic oscillator as a localized torsional mode of a cluster of medium-range.
机译：使用拉曼散射光谱法测量改性硼酸盐玻璃的玻色子峰的成分依赖性。对于铯酸钡钡玻璃，玻色子峰的峰值频率几乎与组成无关。对于硼酸锂玻璃，它明显取决于组成。在这些玻璃中讨论了玻色子峰值频率与由声速确定的剪切模量之间的相关性。可以得出结论，改性硼酸盐玻璃的玻色子峰起源于阻尼谐波振荡器，它是中程簇的局部扭转模式。

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