CM special seminar

1810 1432744643

Oxides for Energy and Electronics

  • Date: Jul 23, 2015
  • Time: 14:00 - 15:00
  • Speaker: Prof. Dr. C.G. Van de Walle
  • Materials Department, University of California, Santa Barbara, CA 93106-5050
  • Location: Max-Planck-Institut für Eisenforschung GmbH
  • Room: Seminar Room 1
  • Host: Department Computational Materials Design
  • Contact: todorova@mpie.de
Wide-band-gap oxides have many unique properties that make them ideally suited for applications in energy technologies. They are transparent in the visible, but can be doped to near-metallic conductivities, enabling use as contact layers to optoelectronic devices such as solar cells and light-emitting diodes. They can also be used, passively, in energy-efficient window coatings, or actively in smart windows or transparent electronics for displays. When grown as high-quality heterostructures, oxide-based transistors can be used in power electronics that boost the efficiency of power conversion, currently a large source of loss in applications ranging from hybrid cars to data centers. Complex oxides (containing transition metals or rare-earth elements) offer the prospect of revolutionary new electronic devices. I will discuss how cutting-edge first-principles calculations provide key information about materials properties and enable designing new materials combinations for specific applications.
 
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