Researchers at Tokyo Tech have reported superconductivity in two kinds of higher titanium oxides prepared in the form of ultrathin films. With a thickness of around 120 nanometers, these materials reveal properties that are only just beginning to be explored.
Many of us are familiar with titanium dioxide (TiO2), a whitener commonly used in sunscreens and paints such as the white lines seen on tennis courts. Less well known are other higher titanium oxides – those with a higher number of titanium and oxygen atoms than TiO – that are now the subject of intensifying research due to their potential use in next-generation electronic devices.
Kohei Yoshimatsu, lead author of the paper published in Scientific Reports said, “We succeeded in growing thin films of Ti4O7 and γ-Ti3O5 for the first time.”
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