Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Quantum-confined_Stark_effect> ?p ?o }
Showing triples 1 to 48 of
48
with 100 triples per page.
- Quantum-confined_Stark_effect abstract "The quantum-confined Stark effect (QCSE) describes the effect of an external electric field upon the light absorption spectrum or emission spectrum of a quantum well (QW). In the absence of an external electric field, electrons and holes within the quantum well may only occupy states within a discrete set of energy subbands. Consequently, only a discrete set of frequencies of light may be absorbed or emitted by the system. When an external electric field is applied, the electron states shift to lower energies, while the hole states shift to higher energies. This reduces the permitted light absorption or emission frequencies. Additionally, the external electric field shifts electrons and holes to opposite sides of the well, decreasing the overlap integral, which in turn reduces the recombination efficiency (i.e. fluorescence quantum yield) of the system. The spatial separation between the electrons and holes is limited by the presence of the potential barriers around the quantum well, meaning that excitons are able to exist in the system even under the influence of an electric field. The quantum-confined Stark effect is used in QCSE optical modulators, which allow optical communications signals to be switched on and off rapidly.Even if Quantum Objects (Wells, Dots or Discs, for instance) emit and absorb light generally with higher energies than the band gap of the material, the QCSE may shift the energy to values lower than the gap. This was evidenced recently in the study of quantum discs embeded in a nanowire.".
- Quantum-confined_Stark_effect wikiPageExternalLink Lecture%2013c.pdf.
- Quantum-confined_Stark_effect wikiPageID "22236319".
- Quantum-confined_Stark_effect wikiPageLength "6249".
- Quantum-confined_Stark_effect wikiPageOutDegree "20".
- Quantum-confined_Stark_effect wikiPageRevisionID "613447037".
- Quantum-confined_Stark_effect wikiPageWikiLink Absorption_spectroscopy.
- Quantum-confined_Stark_effect wikiPageWikiLink Absorption_spectrum.
- Quantum-confined_Stark_effect wikiPageWikiLink Band_gap.
- Quantum-confined_Stark_effect wikiPageWikiLink Bloch_wave.
- Quantum-confined_Stark_effect wikiPageWikiLink Category:Quantum_electronics.
- Quantum-confined_Stark_effect wikiPageWikiLink Category:Quantum_mechanics.
- Quantum-confined_Stark_effect wikiPageWikiLink Effective_mass_(solid-state_physics).
- Quantum-confined_Stark_effect wikiPageWikiLink Electric_field.
- Quantum-confined_Stark_effect wikiPageWikiLink Electron.
- Quantum-confined_Stark_effect wikiPageWikiLink Electron_hole.
- Quantum-confined_Stark_effect wikiPageWikiLink Emission_spectrum.
- Quantum-confined_Stark_effect wikiPageWikiLink Exciton.
- Quantum-confined_Stark_effect wikiPageWikiLink Fermis_golden_rule.
- Quantum-confined_Stark_effect wikiPageWikiLink Optical_modulator.
- Quantum-confined_Stark_effect wikiPageWikiLink Particle_in_a_box.
- Quantum-confined_Stark_effect wikiPageWikiLink Perturbation_theory_(quantum_mechanics).
- Quantum-confined_Stark_effect wikiPageWikiLink Quantum_state.
- Quantum-confined_Stark_effect wikiPageWikiLink Quantum_well.
- Quantum-confined_Stark_effect wikiPageWikiLink Quantum_yield.
- Quantum-confined_Stark_effect wikiPageWikiLink Stark_effect.
- Quantum-confined_Stark_effect wikiPageWikiLink Wikt:discrete.
- Quantum-confined_Stark_effect wikiPageWikiLinkText "Quantum-confined Stark effect".
- Quantum-confined_Stark_effect wikiPageWikiLinkText "quantum-confined Stark effect".
- Quantum-confined_Stark_effect wikiPageWikiLinkText "quantum-confinement".
- Quantum-confined_Stark_effect hasPhotoCollection Quantum-confined_Stark_effect.
- Quantum-confined_Stark_effect wikiPageUsesTemplate Template:More_footnotes.
- Quantum-confined_Stark_effect wikiPageUsesTemplate Template:Reflist.
- Quantum-confined_Stark_effect subject Category:Quantum_electronics.
- Quantum-confined_Stark_effect subject Category:Quantum_mechanics.
- Quantum-confined_Stark_effect type Article.
- Quantum-confined_Stark_effect type Article.
- Quantum-confined_Stark_effect type Mechanic.
- Quantum-confined_Stark_effect type Physic.
- Quantum-confined_Stark_effect comment "The quantum-confined Stark effect (QCSE) describes the effect of an external electric field upon the light absorption spectrum or emission spectrum of a quantum well (QW). In the absence of an external electric field, electrons and holes within the quantum well may only occupy states within a discrete set of energy subbands. Consequently, only a discrete set of frequencies of light may be absorbed or emitted by the system.".
- Quantum-confined_Stark_effect label "Quantum-confined Stark effect".
- Quantum-confined_Stark_effect sameAs اثر_اشتارک_کوانتومی.
- Quantum-confined_Stark_effect sameAs m.05q91bj.
- Quantum-confined_Stark_effect sameAs Квантово-размерный_эффект_Штарка.
- Quantum-confined_Stark_effect sameAs Q7268964.
- Quantum-confined_Stark_effect sameAs Q7268964.
- Quantum-confined_Stark_effect wasDerivedFrom Quantum-confined_Stark_effect?oldid=613447037.
- Quantum-confined_Stark_effect isPrimaryTopicOf Quantum-confined_Stark_effect.