Liquid Helium Surface Fig.2 Schematic side view of a silicon MOSFET In MOSFET, inversion layers are formed at the interface between a semiconductor and an insulator
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چکیده
Quantum Hall effect (based on http://www.pha.jhu.edu/~qiuym/qhe/) Basics of Hall Effect In the Drude theory of the electrical conductivity of a metal, an electron is accelerated by the electric field for an average time , the relaxation or mean free time, before being scattered by impurities, lattice imperfections and phonons to a state which has average velocity zero. The average drift velocity of the electron is where is the electric field and m is the electron mass. The current density is thus where
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تاریخ انتشار 2010