Matches in SemOpenAlex for { <https://semopenalex.org/work/W779655719> ?p ?o ?g. }
- W779655719 endingPage "62" @default.
- W779655719 startingPage "28" @default.
- W779655719 abstract "Deep levels created in single-crystal semiconductors by metallic impurities or lattice defects of either point or extended type have a very deleterious effect on device performance. They have a strong influence on the minority carrier lifetime in the material and a direct effect on the breakdown voltage of Schottky diodes or p-n junctions. The deep levels reduce the breakdown voltage below the bulk breakdown values, and in diodes one usually observes an increase in the reverse leakage current and large amplitude fluctuations of the current near the region of breakdown. The reverse currents can be as much as six orders of magnitude higher in diodes containing defects compared to those fabricated on defect-free material. This can be seen from the relation $${{rm{I}}_{rm{R}}} = {{rm{e}} over 2}left( {{{{{rm{n}}_{rm{i}}}} over {{tau _{rm{o}}}}}} right){rm{WA}}$$ where IR is the reverse current due to deep-level emission processes in the depletion region, ni is the intrinsic carrier concentration in the material, r0 is the effective lifetime of carriers in the depletion region, W is the depletion depth, and A is the area of the contact on the diode. The presence of deep levels can substantially reduce the minority carrier lifetime, leading to an increase in IR. A tremendous amount of effort has gone into the characterization, understanding and eradication of deep levels in semiconductors, particularly Si. It is in the latter sense, namely a reduction in the density of electrically active deep levels, that the interest in the role of hydrogen on these entities has been most acute.KeywordsDeep LevelHydrogen PlasmaHole TrapDangling BondMinority Carrier LifetimeThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves." @default.
- W779655719 created "2016-06-24" @default.
- W779655719 creator A5004271871 @default.
- W779655719 creator A5017875762 @default.
- W779655719 creator A5061991337 @default.
- W779655719 date "1992-01-01" @default.
- W779655719 modified "2023-10-18" @default.
- W779655719 title "Passivation of Deep Levels by Hydrogen" @default.
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