Tio Him
Titanium(II) oxide (Titanium, TiOxygen, O) is an inorganic chemical compound of titanium and oxygen. It can be prepared from titanium dioxide and titanium metal at 1500 °C. It is non-stoichiometric in a range TiO0.7 to TiO1.3 and this is caused by vacancies of either Ti or O in the defect rock salt structure. In pure TiO 15% of both Ti and O sites are vacant, as the vacancies allow metal-metal bonding between adjacent Ti centres. Careful annealing can cause ordering of the vacancies producing a monoclinic form which has 5 TiO units in the primitive cell that exhibits lower resistivity. A high temperature form with titanium atoms with trigonal prismatic coordination is also known. Acid solutions of TiO are stable for a short time then decompose to give hydrogen: :2 Ti2+(aq) + 2 H+(aq) → 2 Ti3+(aq) + H2(g) Gas-phase TiO shows strong bands in the optical spectra of cool (stellar classification#Spectral types, M-type) stars. In 2017, TiO was claimed to be detected in an exop ...
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Titanium(III) Oxide
Titanium(III) oxide is the inorganic compound with the formula Titanium, Ti2oxide, O3. A black semiconducting solid, it is prepared by reducing titanium dioxide with Titanium, titanium metal at 1600 °C. Ti2O3 adopts the alumina, Al2O3 (corundum) structure. It is reactive with oxidising agents. At around 200 °C there is a transition from semiconducting to metallic conducting. Titanium(III) oxide occurs naturally as the extremely rare mineral tistarite. Other titanium(III) oxides include LiTi2O4 and LiTiO2. References

Titanium(III) compounds Sesquioxides Transition metal oxides Semiconductor materials {{inorganic-compound-stub ...
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