phonon recombination
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Non-radiative recombination — is a process in phosphors and semiconductors, whereby charge carriers recombine without releasing photons. A phonon is released instead. Non radiative recombination in optoelectronics and phosphors is an unwanted process, lowering the light… … Wikipedia
Carrier generation and recombination — In the solid state physics of semiconductors, carrier generation and recombination are processes by which mobile electrons and electron holes are created and eliminated. Carrier generation and recombination processes are fundamental to the… … Wikipedia
Direct and indirect band gaps — In semiconductor physics, the band gap of a semiconductor is always one of two types, a direct band gap or an indirect band gap. The band gap is called direct if the momentum of electrons and holes is the same in both the conduction band and the… … Wikipedia
Auger-Rekombination — Unter Rekombination versteht man die Vereinigung positiver und negativer Ladungsträger (Ionen, Elektronen) zu einem elektrisch neutralen Produkt (Atom, Molekül). Rekombination stellt den Umkehrprozess zur Ionisation dar. Inhaltsverzeichnis 1… … Deutsch Wikipedia
Generation (Physik) — Unter Rekombination versteht man die Vereinigung positiver und negativer Ladungsträger (Ionen, Elektronen) zu einem elektrisch neutralen Produkt (Atom, Molekül). Rekombination stellt den Umkehrprozess zur Ionisation dar. Inhaltsverzeichnis 1… … Deutsch Wikipedia
Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale … Wikipedia
Indirect bandgap — In semiconductor physics, an indirect bandgap is a bandgap in which the minimum energy in the conduction band is shifted by a k vector relative to the valence band. The k vector difference represents a difference in momentum.Semiconductors that… … Wikipedia
Semiconductor — Citations missing|date=March 2008A semiconductor is a solid material that has electrical conductivity in between a conductor and an insulator; it can vary over that wide range either permanently or dynamically. [. They are used in many… … Wikipedia
Wide bandgap semiconductors — are semiconductor materials with electronic band gaps larger than one or two electronvolts (eV). The exact threshold of wideness often depends on the application, such as optoelectronic and power devices. Wide bandgap materials are often utilized … Wikipedia
Optical properties of carbon nanotubes — Contents 1 Terminology 2 Electronic structure of carbon nanotube 3 Van Hove singularities … Wikipedia
Direct bandgap — In semiconductor physics, a direct bandgap means that the minimum energy of the conduction band lies directly above the maximum energy of the valence band in momentum space. In a direct bandgap semiconductor, electrons at the conduction band… … Wikipedia
