Abstract
The behavior of anatase TiO 2 single crystal under hydrostatic high pressure of up to 6.7 GPa has been investigated using a diamond anvil cell at room temperature by Raman spectroscopy. A pressure-induced and irreversible phase transition occurs in the pressure range from 4.3 to 4.6 GPa. The pressure dependence of the Raman active modes of anatase was measured. The decrease in ν 5 band-frequency from 197 cm −1 was observed. Some single crystals of anatase were transformed to the high-pressure phase while retaining its transparency and hardness. A mechanism for the transition of anatase to the high-pressure phase is proposed on the basis of structural chemistry.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
