radiative recombination वाक्य
उदाहरण वाक्य
मोबाइल
- Typical values of \ tau _ i are about nanoseconds, and these "'short radiative lifetimes "'favor the radiative recombination of excitons over the non-radiative one.
- The exact emission process involved varies with the material, the type of fuels and oxidizers, and the type of flame, though in many cases it is well established that the free radicals undergo radiative recombination.
- Provided that the area directly above the dislocation loop is defect-free ( no non-radiative recombination possible ), the electrons will fall back into the valence shell by radiative recombination, thus emitting light.
- Provided that the area directly above the dislocation loop is defect-free ( no non-radiative recombination possible ), the electrons will fall back into the valence shell by radiative recombination, thus emitting light.
- Anyway, as Atlant indicated, I'd bank on LEDs or OLEDs, which produce light by a quantum process called radiative recombination ( spontaneous emission ) .-- mattb @ 2007-02-27T22 : 24Z
- Although a photon will be created by one electron-hole pair recombination during the radiative recombination process, the photon can be reabsorbed at a different spatial location in the cell, which creates a new electron-hole pair.
- These limitations include : 1 ) the incomplete absorption of the entire light spectrum, 2 ) thermalization of hot carriers in the form of excess heat, 3 ) chemical potential ( thermodynamic ) losses, and 4 ) radiative recombination.
- Another possible explanation is local disruption of the Earth's magnetic field and / or ionosphere in the region of tectonic stress, resulting in the observed glow effects either from ionospheric radiative recombination at lower altitudes and greater atmospheric pressure or as aurora.
- The fact that radiative recombination is slow in indirect band gap materials also means that, under most circumstances, radiative recombinations will be a small proportion of total recombinations, with most recombinations being non-radiative, taking place at point defects or at grain boundaries.
- The fact that radiative recombination is slow in indirect band gap materials also means that, under most circumstances, radiative recombinations will be a small proportion of total recombinations, with most recombinations being non-radiative, taking place at point defects or at grain boundaries.
- In the photon density rate equation, the first term ?GP is the rate at which photon density increases due to stimulated emission ( the same term in carrier rate equation, with positive sign and multiplied for the confinement factor ? ), the second term is the rate at which photons leave the cavity, for internal absorption or exiting the mirrors, expressed via the decay time constant { \ tau _ p } and the third term is the contribution of spontaneous emission from the carrier radiative recombination into the laser mode.
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