PPT-Phase Change Functions in Correlated Transition Metal Oxides

Hide Takagi 　　 Max Planck Institute for Solid State Research Department of Physics University of Tokyo ICAM Boston Sep 27 2013 Design of phase change functions Introduction Concept . Shera Casseus. Purpose of Lab. The purpose of the Pigment/Paint lab is to create pigments for painting using transition metal compounds.. . Vocabulary . Pigments. - Used for coloring paints, ink, clothing and food. Pigments gets their color from transition metals.. Two elements are liquid at room temperature (298 K): . . Bromine (Br). ,. . a reddish brown liquid. ,. melts at 265.9 K.. Mercury (Hg). , a toxic metal, melts at 234.32 K.. Four elements melt just a few degrees above room . Hide Takagi . 　　. Max Planck Institute for Solid State Research. Department of Physics, University of Tokyo. ICAM Boston, Sep. 27, 2013. Design of phase change functions. . Introduction: Concept . VO2 – Nikita Butakov. Mott vs. Mott-Hubbard Transitions. Role of Lattice vs. Electronic Subsystems. Presence of intermediary phases. Trigger-dependent excitation pathways. Electron/hole doping. Heating. The Structure and Dynamics of Solids. 3. Ferroelectricity and Phase Transitions . Perovskites – ABO. 3. Classic example – . Ba. Ti. O. 3. which exhibits ferroelectricity. Figure adapted from Callister, Materials science and engineering, 7. Desmond Zheng . Patrick Flaherty. A Future with Perovskite. Usage of fossil fuels is going to decline around the globe in the near future. New, perovskite solar cell technology possesses staggering efficiency and affordable cost. SCH3U. GLOWS. Precipitate forms. Colour. . Changes. Gives off a gas. Bubbles!. Temperature changes. Light!. Success Criteria. By the end of this class you should:. Be able to classify a reaction as synthesis, decomposition, single displacement, double displacement, combustion or neutralization.. GLY 4200. Lab 3 - Fall, . 2016. 2. Oxides. Oxygen is by far the most abundant element in the earth’s crust . > 60% by atomic proportion . Many minerals contain oxygen . Only those minerals where the oxygen is combined with metallic elements directly are oxides . OXIDES. Classification of the chemical compounds. Chemical Compounds: . Organic . Inorganic: . OXIDS. ACIDS. HYDROXIDES AND BASES. SALTS. COMPLEX COMPOUNDS. OXIDS. Binary oxides represent compounds of oxygen (oxygen is bound to a metal, non-metal, semimetal) in which Oxidation number of oxygen is -2.. GLY 4200. Lab 3 - Fall, . 2017. 2. Oxides. Oxygen is by far the most abundant element in the earth’s crust . > 60% by atomic proportion . Many minerals contain oxygen . Only those minerals where the oxygen is combined with metallic elements directly are oxides . Alexander Parker. Why Do We Need . Solar?. Population. (Billion). . Source: Google Public Data. Source: BP. Why Do We Need . Solar?. Types Of Solar Cell. Inorganic devices: 24.7%. Polymer devices: 8%. . Purpose of this course – understanding the diagram below:. Fujimor. i. , Electronic structure of metallic oxides: band-gap closure and valence control, . J. . . Phys. Chem. . Solids . 53. (1992) 1595–1602.. Mott vs. Mott-Hubbard Transitions. Role of Lattice vs. Electronic Subsystems. Presence of intermediary phases. Trigger-dependent excitation pathways. Electron/hole doping. Heating. Structural distortions. . Purpose of this course – understanding the diagram below:. Fujimor. i. , Electronic structure of metallic oxides: band-gap closure and valence control, . J. . . Phys. Chem. . Solids . 53. (1992) 1595–1602..