Many industrial processes rely on metal oxides with high surface area. Thin porous metal oxide films offer unique physical, electrical and magnetic properties with applications in various fields including catalysis, gas sensing and separation, power storage and generation as well as biology and medicine. However, several attempts to prepare alkali and alkaline earth metal oxide films have been unsuccessful.<br><br> <strong>Technology</strong><br> We offer an improved method for the production of porous metal oxide films. The metal oxides are prepared by a micelle-templated synthesis via a metal carbonate intermediate. This method enables the fabrication of alkali and alkaline earth as well as rare earth metal oxide films with high surface area. <br><br>
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Innsbruck quantum physicists have constructed a diode for magnetic fields and then tested it in the laboratory. The device, developed by the research groups led by the theorist Oriol Romero-Isart and the experimental physicist Gerhard Kirchmair, could open up a number of new applications.
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