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  • Graphene’s 3D Counterpart ALS researchers have discovered a material that is essentially a 3D version of graphene—the 2D sheets of carbon through which electrons race at many times the speed at which ...
    Posted Aug 13, 2014, 2:10 PM by Sung-Kwan Mo
  • Minding the Gap Makes for More Efficient Solar Cells Using novel materials to develop thin, flexible, and more efficient photovoltaic cells is one of the hottest topics in current materials research. Transition metal dichalcogenides*, such as MoS2, MoSe ...
    Posted Jul 17, 2014, 2:00 PM by Sung-Kwan Mo
  • A New Route to Nanoscale Conducting Channels in Insulating Oxides Two-dimensional electron gases (2DEGs)—narrow conducting channels at the surfaces and interfaces of semiconductor materials—are the bedrock of conventional electronics. The startling 2004 discovery that such 2DEGs could ...
    Posted Jul 17, 2014, 1:55 PM by Sung-Kwan Mo
  • Two Phase Transitions Make a High-Temperature Superconductor Superconductivity—conceptually remarkable and practically revolutionary—is a quantum phenomenon in which bound electron pairs flow through a material in perfect synchrony, without friction. Conventional superconducting materials reach this state ...
    Posted Jul 17, 2014, 2:03 PM by Sung-Kwan Mo
  • Superconducting Topological Insulators Three-dimensional topological insulators (TIs), discovered experimentally in 2007–2009 by a Princeton–ALS collaboration, are a promising platform for developing the next generation of electronics. Electrons within one nanometer ...
    Posted Jul 17, 2014, 2:04 PM by Sung-Kwan Mo
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