What is it about?
The filling of the Mott–Hubbard gap in TiOCl and TiOBr above a critical pressure Pc is observed, concomitant with a structural phase transition.
Why is it important?
Above Pc a mixture of the ambient-pressure orthorhombic Pmmn phase and a dimerized, monoclinic P21/m phase does exist.
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This page is a summary of: Filling of the Mott–Hubbard gap in the oxyhalides TiOCl and TiOBr induced by external pressure, High Pressure Research, December 2009, Taylor & Francis, DOI: 10.1080/08957950903386334.
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