bandgap energy

См. также в других словарях:

• bandgap — noun The energy difference between two allowed ranges of electron energy in a solid; especially the difference between the energies of the valence band and the conduction band …   Wiktionary

• bandgap — ˈ ̷ ̷ ˌ ̷ ̷ noun Etymology: band (I) + gap : the difference in energy between the valence band and the conduction band of a solid material (as an insulator or semiconductor) that consists of the range of energy values forbidden to electrons in… …   Useful english dictionary

• 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

• 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

• 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

• high bandgap semiconductor — plačiatarpis puslaidininkis statusas T sritis fizika atitikmenys: angl. high bandgap semiconductor; large energy gap semiconductor; wide bandgap semiconductor vok. Halbleiter mit breitem Bandabstand, m; Halbleiter mit großer Energielücke, m rus.… …   Fizikos terminų žodynas

• wide bandgap semiconductor — plačiatarpis puslaidininkis statusas T sritis fizika atitikmenys: angl. high bandgap semiconductor; large energy gap semiconductor; wide bandgap semiconductor vok. Halbleiter mit breitem Bandabstand, m; Halbleiter mit großer Energielücke, m rus.… …   Fizikos terminų žodynas

• large energy gap semiconductor — plačiatarpis puslaidininkis statusas T sritis fizika atitikmenys: angl. high bandgap semiconductor; large energy gap semiconductor; wide bandgap semiconductor vok. Halbleiter mit breitem Bandabstand, m; Halbleiter mit großer Energielücke, m rus.… …   Fizikos terminų žodynas

• Multijunction photovoltaic cell — Multi junction solar cells or tandem cells are solar cells containing several p n junctions. Each junction is tuned to a different wavelength of light, reducing one of the largest inherent sources of losses, and thereby increasing efficiency.… …   Wikipedia

• Quantum dot solar cell — Spin cast quantum dot solar cell built by the Sargent Group at the University of Toronto. The metal disks on the front surface are the electrical connections to the layers below. Quantum dot solar cells are an emerging field in solar cell… …   Wikipedia

• Mesoscopic physics — Condensed matter physics Phases · Phase tr …   Wikipedia