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中文摘要：
研究了LiB3O5晶体在不同温度下（在300—1173K的温度范围）的拉曼光谱,分析了LBO晶体结构随温度变化的规律.随着温度的升高,LBO晶体的拉曼光谱谱峰都不同程度地向低波数方向移动,也存在不同程度的展宽,同时强度减弱.发现晶体在1100K存在明显相变,与LBO晶体的相图给出的1107K的相变温度基本相符.
英文摘要：
The High temperature Raman spectra of LBO crystal and melt were studied.The rule of structure change of BGO crystal with increasing temperature was analyzed.The results show that the peaks of spectra move to the lower wavelength and broaden in different degrees.The intensities of spectra peaks decrease,too.In addition,the phase transformation of LBO crystal was studied by using high temperature Raman spectra as well.There is an apparent phase transformation of LBO at 1100K.
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