A clear understanding of near equilibrium carrier transport is essential for working on materials and devices. The field is an old one that has been treated in classic textbook, but with the rapid development of nanoscience and technology, the field is changing. An understanding of transport in quantum confined structures is now essential, and a clear understanding of ballistic transport as well as diffusive transport is also necessary. In the future, electronics will increasingly involve th use of nanostructured materials and nanoscale devices, and familiar concepts like effective mass and band structure may not apply. "Electronics from Bottom Up" is an initiative to re-think electronic devices beginning at the molecular and nanoscales and working up to the micro and macroscales. We find this approach much simpler to understand than the traditional approach and mire physically sound at the nanoscale.
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