High pressure structural phase transitions of TiO2 nanomaterials |
TEM image of the nanoribbons after they were released from 31 GPa to ambient pressure. (a) Typical TEM image of LDA TiO2 nanoribbons, (b) an individual LDA TiO2 nanoribbon and its SAED (inset image), (c) HRTEM image of an individual LDA TiO2 nanoribbon. The figure is reproduced from Ref. [ |