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We report resistivity and thermo-electric power measurements of the anatase phase of TiO2 under pressure up to 2.3 GPa. Despite its transparent appearance, the single crystal of anatase exhibits a metallic-like resistivity above 60 K, at all pressures. The rather high value of the thermo-electric power at room temperature points to complex transport mechanism in this phase.
Anna Fontcuberta i Morral, Alok Rudra, Victor Carle Adrien Boureau, Santhanu Panikar Ramanandan, Shelly Ben David
Rosario Scopelliti, Nicolas Grandjean, Kevin Sivula, Jun Ho Yum, Yeonju Kim, Han-Hee Cho, Simon Nussbaum, Danxuan Chen