Temperature-Dependent Raman Spectra and Microstructure of Barium Metaborate Crystals and Its Melts

尤静林; 蒋国昌; 侯怀宇; 吴永全; 陈辉; 徐匡迪

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Temperature-Dependent Raman Spectra and Microstructure of Barium Metaborate Crystals and Its Melts

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We have measured the Raman spectra of β- and α-barium metaborate in crystal and liquid states from room temperature to 1873K, with a semiconductor laser as the laser source, coupled with a time-resolved detection system to eliminate the dense thermal emission background when temperature was considerably high.Temperature-dependent Raman spectra can clearly indicate that the phase transformation from β- to α-barium metaborate has been completed during 1273 - 1300 K. Variations of different kinds of microstructure units with temperature are identified and discussed.

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《中国物理快报：英文版》 |2002年第2期|205-207|共3页
作者
尤静林; 蒋国昌; 侯怀宇; 吴永全; 陈辉; 徐匡迪;
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Shanghai Enhanced Laboratory of Ferro-metallurgy, Shanghai University, Shanghai 200072;

Shanghai Enhanced Laboratory of Ferro-metallurgy, Shanghai University, Shanghai 200072;

Shanghai Enhanced Laboratory of Ferro-metallurgy, Shanghai University, Shanghai 200072;

Shanghai Enhanced Laboratory of Ferro-metallurgy, Shanghai University, Shanghai 200072;

Shanghai Enhanced Laboratory of Ferro-metallurgy, Shanghai University, Shanghai 200072;

Shanghai Enhanced Laboratory of Ferro-metallurgy, Shanghai University, Shanghai 200072;

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中图分类物理学;
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Temperature-Dependent Raman Spectra and Microstructure of Barium Metaborate Crystals and Its Melts

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