Yk. Lin et al., HIGH-PRESSURE RAMAN-SPECTRA OF LITHIUM TRIBORATE CRYSTAL AND PRESSURE-INDUCED PHASE-TRANSITIONS, Journal of physics and chemistry of solids, 55(1), 1994, pp. 113-117
The high-pressure Raman spectra of lithium triborate (LiB3O5) crystal
are presented in this work. The results show that a pressure-induced c
rystalline-to-crystalline phase transition occurs near 50 kbar and tha
t the phase transition is reversible. Above 270 kbar lithium triborate
becomes amorphous; this transition is irreversible. The structure of
pressure-amorphized LiB3O5 and the recrystallization processes on anne
aling were investigated by means of Raman scattering.