Search Results for Dexter Johnson (1157)

  1. Twisting Graphene Alters Its Electrical Properties

    Computer models provide insight into how to access graphene's flexoelectricity

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  2. Nanogenerator Produces Energy From Tires Rolling on Pavement

    Reclaiming energy that would otherwise be lost offers improved efficiency in vehicles

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  3. Graphene Magnetic Sensor Hundred Times More Sensitive Than Silicon

    Graphene's umatched charge carrier mobility improves sensitivity and power consumption for Hall effect sensor

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  4. Graphene's Prospects in Biosensing Just Got a Boost

    Production technique improves graphene's selectivity in biosensing

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  5. "Valleytronics" Development Could Lead to New Approaches for Spintronics and Quantum Computing

    Researchers discover that valley polarization makes electron spin polariation in silicon transistors easier

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  6. Graphene Wraps Up Wires, Boosting Chip Speeds by Thirty Percent

    Resesarchers believe that graphene could replace tantalum nitride within two chip generations

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  7. Paper-based Origami Battery Operates on the Respiration of Microbes

    Simple battery could lead to a self-contained biosensor system costing only five cents

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  8. Graphene Shines in World's Thinnest Light Bulb

    First on-chip visible light source that uses graphene could lead to photonic circuits

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  9. Novel Nanomaterial Makes Carbon Dioxide Sensors Portable

    A new operating principle brings CO2 sensors to a range of new applications

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  10. Quantum Dots Enable Next Generation of LED Lighting Systems

    Researchers in Japan fabricate a hybrid inorganic/organic LED that produces white-blue electroluminescence using quantum dots

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