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valence-band discontinuity

См. также в других словарях:

  • MODFET — The modulated doping field effect transistor or modulation doped field effect transistor (MODFET) is a type of a field effect transistor, also known as the High Electron Mobility Transistor (HEMT). Like other FETs, MODFETs are used in integrated… …   Wikipedia

  • Si/SiGe resonant tunnel diode — A Si/SiGe resonant tunnel diode is a resonant tunnel diode based on Si/SiGe heterojunctions. Both hole tunneling and electron tunneling have been observed. But the performance of Si/SiGe resonant tunnel diode is limited mainly because of the… …   Wikipedia

  • Carrier scattering — Defect types include atom vacancies, adatoms, steps, and kinks which occur most frequently at surfaces due to finite material size causing crystal discontinuity. What all types of defects have in common, whether they be surface or bulk, is that… …   Wikipedia

  • Resonant tunnelling diode — A resonant tunnel diode (RTD) is a device which uses quantum effects to produce negative differential resistance (NDR). As an RTD is capable of generating a terahertz wave at room temperature, it can be used in ultra high speed circuitry.… …   Wikipedia

  • Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …   Wikipedia

  • MOSFET — Two power MOSFETs in the surface mount package D2PAK. Operating as switches, each of these components can sustain a blocking voltage of 120 volts in the OFF state, and can conduct a continuous current of 30 amperes in the ON state, dissipating up …   Wikipedia

  • quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… …   Universalium

  • Quantum well infrared photodetector — A quantum well infrared photodetector (QWIP), is an infrared photodetector made from semiconductor materials which contain one or more quantum wells. These can be integrated together with electronics and optics to make infrared cameras for… …   Wikipedia

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