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Metastable oxygen vacancy ordering state and improved memristive behavior in TiO2 crystals
2020
Science Bulletin
Oxygen vacancy is one of the pivotal factors for tuning/creating various oxide properties. Understanding the behavior of oxygen vacancies is of paramount importance. In this study, we identify a metastable oxygen vacancy ordering state other than the well-known Magnéli phases in TiO2 crystals from both experimental and theoretical studies. The oxygen vacancy ordering is found to be a zigzag chain along the [0 0 1] direction in the (1 1 0) plane occurring in a wide temperature range of 200-500
doi:10.1016/j.scib.2020.02.013
pmid:36659132
fatcat:egnrmn4ifnawzfisqogkkbqt5q