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- Double_heterostructure abstract "A double heterostructure is formed when two semiconductor materials are grown into a "sandwich". One material (such as AlGaAs) is used for the outer layers (or cladding), and another of smaller band gap (such as GaAs) is used for the inner layer. In our example, there are two AlGaAs-GaAs junctions (or boundaries) at each side of the inner layer. There must be two boundaries for the device to be a double heterostructure. If there was only one side of cladding material, the device would be a simple heterostructure.The double heterostructure is a very useful structure in optoelectronic devices and has interesting electronic properties. If one of the cladding layers is p-doped, the other cladding layer n-doped and the smaller energy gap semiconductor material undoped, a p-i-n structure is formed. When a current is applied to the ends of the pin structure, electrons and holes are injected into the heterostructure. The smaller energy gap material forms energy discontinuities at the boundaries, confining the electrons and holes to the smaller energy gap semiconductor. The electrons and holes recombine in the intrinsic semiconductor emitting photons. If the width of the intrinsic region is reduced to the order of the de Broglie wavelength, the energies in the intrinsic region no longer become continuous but become discrete. (Actually, they are not continuous but the energy levels are very close together so we think of them as being continuous) In this situation the double heterostructure becomes a quantum well.".
- Double_heterostructure wikiPageID "4463160".
- Double_heterostructure wikiPageLength "1818".
- Double_heterostructure wikiPageOutDegree "17".
- Double_heterostructure wikiPageRevisionID "547488969".
- Double_heterostructure wikiPageWikiLink AlGaAs.
- Double_heterostructure wikiPageWikiLink Aluminium_gallium_arsenide.
- Double_heterostructure wikiPageWikiLink Band_gap.
- Double_heterostructure wikiPageWikiLink Carrier_generation_and_recombination.
- Double_heterostructure wikiPageWikiLink Category:Semiconductor_structures.
- Double_heterostructure wikiPageWikiLink De_Broglie_wavelength.
- Double_heterostructure wikiPageWikiLink Doping_(semiconductor).
- Double_heterostructure wikiPageWikiLink Doping_(semiconductors).
- Double_heterostructure wikiPageWikiLink Electron.
- Double_heterostructure wikiPageWikiLink Electron_hole.
- Double_heterostructure wikiPageWikiLink GaAs.
- Double_heterostructure wikiPageWikiLink Gallium_arsenide.
- Double_heterostructure wikiPageWikiLink Heterojunction.
- Double_heterostructure wikiPageWikiLink Heterostructure.
- Double_heterostructure wikiPageWikiLink Intrinsic_semiconductor.
- Double_heterostructure wikiPageWikiLink Matter_wave.
- Double_heterostructure wikiPageWikiLink Optoelectronic.
- Double_heterostructure wikiPageWikiLink Optoelectronics.
- Double_heterostructure wikiPageWikiLink P-i-n_junction.
- Double_heterostructure wikiPageWikiLink PIN_diode.
- Double_heterostructure wikiPageWikiLink Photon.
- Double_heterostructure wikiPageWikiLink Photons.
- Double_heterostructure wikiPageWikiLink Quantum_well.
- Double_heterostructure wikiPageWikiLink Semiconductor.
- Double_heterostructure wikiPageWikiLink Wikt:cladding.
- Double_heterostructure wikiPageWikiLinkText "double heterostructure".
- Double_heterostructure hasPhotoCollection Double_heterostructure.
- Double_heterostructure wikiPageUsesTemplate Template:Unreferenced.
- Double_heterostructure subject Category:Semiconductor_structures.
- Double_heterostructure type Article.
- Double_heterostructure type Article.
- Double_heterostructure type Semiconductor.
- Double_heterostructure type Structure.
- Double_heterostructure comment "A double heterostructure is formed when two semiconductor materials are grown into a "sandwich". One material (such as AlGaAs) is used for the outer layers (or cladding), and another of smaller band gap (such as GaAs) is used for the inner layer. In our example, there are two AlGaAs-GaAs junctions (or boundaries) at each side of the inner layer. There must be two boundaries for the device to be a double heterostructure.".
- Double_heterostructure label "Double heterostructure".
- Double_heterostructure sameAs Double_hétérostructure.
- Double_heterostructure sameAs m.0c3t_1.
- Double_heterostructure sameAs Дупла_хетероструктура.
- Double_heterostructure sameAs Q3037612.
- Double_heterostructure sameAs Q3037612.
- Double_heterostructure wasDerivedFrom Double_heterostructure?oldid=547488969.
- Double_heterostructure isPrimaryTopicOf Double_heterostructure.