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High-Temperature Raman Investigation on Phase Transition of LBO Crystal

Zhang Xia1, Wan Song-Ming2, Yin Shao-Tang2 and You Jing-Lin3

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ATOMIC AND MOLECULAR PHYSICS

The high-temperature Raman spectroscopy technique is applied to investigate the phase transition of LiB3O5 crystal. The result shows that the crystal is stable in the range of 293–893 K. When the temperature increases up to above 1107K, the phase transition occurs. In the liquid phase, Li2B4O7 crystal precipitates out. Up to 1173K, the Li2B4O7 crystal disappears in the melt.


PACS

64.70.K- Solid–solid transitions

81.30.Dz Phase diagrams of other materials

63.20.-e Phonons in crystal lattices

78.30.Hv Other nonmetallic inorganics

81.30.Mh Solid-phase precipitation

Subjects

Condensed matter: electrical, magnetic and optical

Condensed matter: structural, mechanical & thermal

Dates

Issue 11 (November 2009)

Received 24 June 2009



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