High pressure structural phase transitions of TiO2 nanomaterials
Li Quan-Jun, Liu Bing-Bing†,
       

Raman spectra of the nanoporous anatase TiO2 at various pressures: (a) compression, (b) decompression. “B” and “O” denote the baddeleyite phase and the α-PbO2 phase, respectively. The figure is reproduced from Ref. [44].