Matches in SemOpenAlex for { <https://semopenalex.org/work/W2532974235> ?p ?o ?g. }
Showing items 1 to 89 of
89
with 100 items per page.
- W2532974235 abstract "Optical transmittance, sheet resistance and specific contact resistance of Au/Ni ohmic contacts to p-GaN have been investigated. Au/Ni films of four different thickness combinations with 20 nm total thickness were deposited by e-beam evaporation. Au/Ni/p-GaN were annealed in flowing N/sub 2/ ambient for 10 min at temperature range of 300/spl sim/700/spl deg/C. Before annealing Ni film absorbs more visible light than Au film. Ni oxidizes into transparent NiO after annealing and the light transmittance of the whole metal contact increases, however, the transmittance of oxidized Au/Ni contact is limited by Au film thickness. Thicker Au film can retard the oxidation rate of inner Ni film during annealing, enhance the activation efficiency of Mg dopant in p-GaN, and maintain good thermal stability of Au/Ni sheet resistance. Sheet resistance of p-GaN decreases drastically after annealing Au/Ni/p-GaN at temperatures above 500/spl deg/C, this implies that p-GaN is effectively activated above 500/spl deg/C. Considering to obtain good combination of optical transmittance, low sheet resistance and low contact resistance, Au(10 nm)/Ni(5 nm)/p-GaN ohmic contacts have better electrical and optical characteristics, and thermal stability. After annealing Au(10 nm)/Ni(5 nm)/p-GaN at 500/spl deg/C, transmittance is more than 70% in the blue light regime, metal film sheet resistance is about 14 /spl Omega//sq., and specific contact resistance is about 10/sup -3/ /spl Omega/-cm/sup 2/." @default.
- W2532974235 created "2016-10-28" @default.
- W2532974235 creator A5047084651 @default.
- W2532974235 creator A5053761056 @default.
- W2532974235 creator A5080816106 @default.
- W2532974235 date "2004-06-03" @default.
- W2532974235 modified "2023-09-24" @default.
- W2532974235 title "Electrical and optical characteristics of Au/Ni ohmic contacts to p-GaN" @default.
- W2532974235 doi "https://doi.org/10.1109/cos.2003.1278176" @default.
- W2532974235 hasPublicationYear "2004" @default.
- W2532974235 type Work @default.
- W2532974235 sameAs 2532974235 @default.
- W2532974235 citedByCount "2" @default.
- W2532974235 countsByYear W25329742352020 @default.
- W2532974235 crossrefType "proceedings-article" @default.
- W2532974235 hasAuthorship W2532974235A5047084651 @default.
- W2532974235 hasAuthorship W2532974235A5053761056 @default.
- W2532974235 hasAuthorship W2532974235A5080816106 @default.
- W2532974235 hasConcept C113196181 @default.
- W2532974235 hasConcept C123671423 @default.
- W2532974235 hasConcept C138230450 @default.
- W2532974235 hasConcept C150493377 @default.
- W2532974235 hasConcept C159985019 @default.
- W2532974235 hasConcept C161790260 @default.
- W2532974235 hasConcept C178790620 @default.
- W2532974235 hasConcept C185592680 @default.
- W2532974235 hasConcept C191897082 @default.
- W2532974235 hasConcept C191952053 @default.
- W2532974235 hasConcept C192562407 @default.
- W2532974235 hasConcept C2777855556 @default.
- W2532974235 hasConcept C2779227376 @default.
- W2532974235 hasConcept C43617362 @default.
- W2532974235 hasConcept C49040817 @default.
- W2532974235 hasConcept C504270822 @default.
- W2532974235 hasConcept C544153396 @default.
- W2532974235 hasConcept C55493867 @default.
- W2532974235 hasConcept C57863236 @default.
- W2532974235 hasConcept C59061564 @default.
- W2532974235 hasConcept C66825105 @default.
- W2532974235 hasConcept C74575197 @default.
- W2532974235 hasConceptScore W2532974235C113196181 @default.
- W2532974235 hasConceptScore W2532974235C123671423 @default.
- W2532974235 hasConceptScore W2532974235C138230450 @default.
- W2532974235 hasConceptScore W2532974235C150493377 @default.
- W2532974235 hasConceptScore W2532974235C159985019 @default.
- W2532974235 hasConceptScore W2532974235C161790260 @default.
- W2532974235 hasConceptScore W2532974235C178790620 @default.
- W2532974235 hasConceptScore W2532974235C185592680 @default.
- W2532974235 hasConceptScore W2532974235C191897082 @default.
- W2532974235 hasConceptScore W2532974235C191952053 @default.
- W2532974235 hasConceptScore W2532974235C192562407 @default.
- W2532974235 hasConceptScore W2532974235C2777855556 @default.
- W2532974235 hasConceptScore W2532974235C2779227376 @default.
- W2532974235 hasConceptScore W2532974235C43617362 @default.
- W2532974235 hasConceptScore W2532974235C49040817 @default.
- W2532974235 hasConceptScore W2532974235C504270822 @default.
- W2532974235 hasConceptScore W2532974235C544153396 @default.
- W2532974235 hasConceptScore W2532974235C55493867 @default.
- W2532974235 hasConceptScore W2532974235C57863236 @default.
- W2532974235 hasConceptScore W2532974235C59061564 @default.
- W2532974235 hasConceptScore W2532974235C66825105 @default.
- W2532974235 hasConceptScore W2532974235C74575197 @default.
- W2532974235 hasLocation W25329742351 @default.
- W2532974235 hasOpenAccess W2532974235 @default.
- W2532974235 hasPrimaryLocation W25329742351 @default.
- W2532974235 hasRelatedWork W1524598400 @default.
- W2532974235 hasRelatedWork W1999194643 @default.
- W2532974235 hasRelatedWork W2004547698 @default.
- W2532974235 hasRelatedWork W2010653514 @default.
- W2532974235 hasRelatedWork W2076342047 @default.
- W2532974235 hasRelatedWork W2102139604 @default.
- W2532974235 hasRelatedWork W2138902184 @default.
- W2532974235 hasRelatedWork W2582877961 @default.
- W2532974235 hasRelatedWork W2605452138 @default.
- W2532974235 hasRelatedWork W2901832252 @default.
- W2532974235 hasRelatedWork W2943495388 @default.
- W2532974235 hasRelatedWork W3082653246 @default.
- W2532974235 hasRelatedWork W3093826759 @default.
- W2532974235 hasRelatedWork W3157664107 @default.
- W2532974235 hasRelatedWork W3169970160 @default.
- W2532974235 hasRelatedWork W3177024196 @default.
- W2532974235 hasRelatedWork W3212132101 @default.
- W2532974235 hasRelatedWork W640959199 @default.
- W2532974235 hasRelatedWork W2527489535 @default.
- W2532974235 hasRelatedWork W2850493631 @default.
- W2532974235 isParatext "false" @default.
- W2532974235 isRetracted "false" @default.
- W2532974235 magId "2532974235" @default.
- W2532974235 workType "article" @default.