Matches in SemOpenAlex for { <https://semopenalex.org/work/W2090591628> ?p ?o ?g. }
Showing items 1 to 64 of
64
with 100 items per page.
- W2090591628 endingPage "503" @default.
- W2090591628 startingPage "503" @default.
- W2090591628 abstract "Electron transport in thermally grown layers of Si${mathrm{O}}_{2}$ has been studied. Electrons are introduce into the oxide by photoemission from the adjoining silicon crystal. Specimens consist of a silicon crystal covered with an Si${mathrm{O}}_{2}$ layer about 2 microns thick and, over this, a semitransparent gold electrode. On illuminating, light passes through the gold electrode and the oxide and is absorbed by the silicon. With appropriate voltage applied between gold and silicon, there is a steady photocurrent for light of wavelengths shorter than 2900 AA{}. Various possible origins of the photocurrent were investigated, and it is concluded that the current is due to photoemission of electrons from the silicon into the Si${mathrm{O}}_{2}$ conduction band. By analysis of the spectral response of the photocurrent a photoemission threshold of 4.25 eV is obtained, independent of whether the silicon is $n$-type or $p$-type. This is roughly 0.9 eV smaller than the threshold for photoemission from silicon into vacuum. Using the vacuum photoemission threshold and the known optical absorption edge for Si${mathrm{O}}_{2}$, a diagram of the energy relations at the Si-Si${mathrm{O}}_{2}$ interface is constructed. It is found that deep electron traps are present in concentrations around 3ifmmodetimeselsetexttimesfi{}${10}^{14}$/${mathrm{cm}}^{3}$. Trapped electrons are stable against thermal ionization for hours at room temperature in the dark but may be ionized by visible light. From the spectral response for ionization of traps it is found that the trap levels lie 2 eV below the conduction-band edge. Measurements of the kinetics of trapping give a capture cross section or 1.3ifmmodetimeselsetexttimesfi{}${10}^{ensuremath{-}12}$ ${mathrm{cm}}^{2}$, indicating that the trap is a Coulomb attractive center with a positive charge. Comparison of the magnitude of the capture cross section with a current model for capture by a Coulomb attractive center gives an estimate for the microscopic mobility $ensuremath{mu}$ of electron in the Si${mathrm{O}}_{2}$ conduction band. The estimated value of $ensuremath{mu}$ is either 34 or 17 ${mathrm{cm}}^{2}$/Vsec depending on whether the trapping center is singly or doubly charged." @default.
- W2090591628 created "2016-06-24" @default.
- W2090591628 creator A5026715180 @default.
- W2090591628 date "1965-09-01" @default.
- W2090591628 modified "2023-09-25" @default.
- W2090591628 title "Photoemission of electrons from silicon into silicon dioxide" @default.
- W2090591628 doi "https://doi.org/10.1109/t-ed.1965.15553" @default.
- W2090591628 hasPublicationYear "1965" @default.
- W2090591628 type Work @default.
- W2090591628 sameAs 2090591628 @default.
- W2090591628 citedByCount "4" @default.
- W2090591628 countsByYear W20905916282019 @default.
- W2090591628 countsByYear W20905916282022 @default.
- W2090591628 crossrefType "journal-article" @default.
- W2090591628 hasAuthorship W2090591628A5026715180 @default.
- W2090591628 hasConcept C121332964 @default.
- W2090591628 hasConcept C147120987 @default.
- W2090591628 hasConcept C156390739 @default.
- W2090591628 hasConcept C184779094 @default.
- W2090591628 hasConcept C185544564 @default.
- W2090591628 hasConcept C191897082 @default.
- W2090591628 hasConcept C192562407 @default.
- W2090591628 hasConcept C26873012 @default.
- W2090591628 hasConcept C2779089622 @default.
- W2090591628 hasConcept C42086506 @default.
- W2090591628 hasConcept C49040817 @default.
- W2090591628 hasConcept C544956773 @default.
- W2090591628 hasConcept C61696701 @default.
- W2090591628 hasConcept C86025842 @default.
- W2090591628 hasConceptScore W2090591628C121332964 @default.
- W2090591628 hasConceptScore W2090591628C147120987 @default.
- W2090591628 hasConceptScore W2090591628C156390739 @default.
- W2090591628 hasConceptScore W2090591628C184779094 @default.
- W2090591628 hasConceptScore W2090591628C185544564 @default.
- W2090591628 hasConceptScore W2090591628C191897082 @default.
- W2090591628 hasConceptScore W2090591628C192562407 @default.
- W2090591628 hasConceptScore W2090591628C26873012 @default.
- W2090591628 hasConceptScore W2090591628C2779089622 @default.
- W2090591628 hasConceptScore W2090591628C42086506 @default.
- W2090591628 hasConceptScore W2090591628C49040817 @default.
- W2090591628 hasConceptScore W2090591628C544956773 @default.
- W2090591628 hasConceptScore W2090591628C61696701 @default.
- W2090591628 hasConceptScore W2090591628C86025842 @default.
- W2090591628 hasIssue "9" @default.
- W2090591628 hasLocation W20905916281 @default.
- W2090591628 hasOpenAccess W2090591628 @default.
- W2090591628 hasPrimaryLocation W20905916281 @default.
- W2090591628 hasRelatedWork W1972367838 @default.
- W2090591628 hasRelatedWork W1984782032 @default.
- W2090591628 hasRelatedWork W2025297388 @default.
- W2090591628 hasRelatedWork W2058405720 @default.
- W2090591628 hasRelatedWork W2065073135 @default.
- W2090591628 hasRelatedWork W2077597793 @default.
- W2090591628 hasRelatedWork W2123493880 @default.
- W2090591628 hasRelatedWork W2123844558 @default.
- W2090591628 hasRelatedWork W2172153407 @default.
- W2090591628 hasRelatedWork W2327463012 @default.
- W2090591628 hasVolume "12" @default.
- W2090591628 isParatext "false" @default.
- W2090591628 isRetracted "false" @default.
- W2090591628 magId "2090591628" @default.
- W2090591628 workType "article" @default.