Matches in SemOpenAlex for { <https://semopenalex.org/work/W2022677076> ?p ?o ?g. }
Showing items 1 to 97 of
97
with 100 items per page.
- W2022677076 endingPage "132" @default.
- W2022677076 startingPage "129" @default.
- W2022677076 abstract "We study (through computer simulation) the variation of the band gap as a function of sizes and shapes of small Silicon (Si) dots using pseudo-potential approach. We have used empirical pseudo-potential Hamiltonian and a plane wave basis expansion and a basic tetrahedral structure. It is found that the gap decreases for increasing dot size. Furthermore, the band gap increases as much as 0.13eV on passivation the surface of the dot with hydrogen. So both quantum confinement and surface passivation determine the optical and electronic properties of Si quantum dots. Visible luminescence is probably due to radiative recombination of electrons and holes in the quantum confined nanostructures. The effect of passivation of the surface dangling bonds by hydrogen atoms and the role of surface states on the gap energy as well as on the HOMO-LUMO states has also been examined. We have investigated the entire energy spectrum starting from the very low lying ground state to the very high lying excited states for silicon dots having 5, 18, 17 and 18 atoms. The results for the size dependence of the HOMO-LUMO gap and the wave functions for the bonding-antibonding states are presented and the importance of the confinement and the role of hydrogen passivation on the confinement are also discussed." @default.
- W2022677076 created "2016-06-24" @default.
- W2022677076 creator A5030993313 @default.
- W2022677076 creator A5033110282 @default.
- W2022677076 creator A5073693893 @default.
- W2022677076 date "2005-01-01" @default.
- W2022677076 modified "2023-09-26" @default.
- W2022677076 title "Optical and Electron Correlation Effects in Silicon Quantum Dots" @default.
- W2022677076 cites W1963671716 @default.
- W2022677076 cites W1966212317 @default.
- W2022677076 cites W1976805841 @default.
- W2022677076 cites W2020545996 @default.
- W2022677076 cites W2045260724 @default.
- W2022677076 cites W2050250847 @default.
- W2022677076 cites W2059694985 @default.
- W2022677076 cites W2061872105 @default.
- W2022677076 cites W2070667128 @default.
- W2022677076 cites W2132493396 @default.
- W2022677076 doi "https://doi.org/10.4028/www.scientific.net/jmnm.23.129" @default.
- W2022677076 hasPublicationYear "2005" @default.
- W2022677076 type Work @default.
- W2022677076 sameAs 2022677076 @default.
- W2022677076 citedByCount "3" @default.
- W2022677076 crossrefType "journal-article" @default.
- W2022677076 hasAuthorship W2022677076A5030993313 @default.
- W2022677076 hasAuthorship W2022677076A5033110282 @default.
- W2022677076 hasAuthorship W2022677076A5073693893 @default.
- W2022677076 hasConcept C121332964 @default.
- W2022677076 hasConcept C124657808 @default.
- W2022677076 hasConcept C14158195 @default.
- W2022677076 hasConcept C147120987 @default.
- W2022677076 hasConcept C161935440 @default.
- W2022677076 hasConcept C171250308 @default.
- W2022677076 hasConcept C181500209 @default.
- W2022677076 hasConcept C181966813 @default.
- W2022677076 hasConcept C184779094 @default.
- W2022677076 hasConcept C189394030 @default.
- W2022677076 hasConcept C192562407 @default.
- W2022677076 hasConcept C2524010 @default.
- W2022677076 hasConcept C26873012 @default.
- W2022677076 hasConcept C2776799497 @default.
- W2022677076 hasConcept C2779227376 @default.
- W2022677076 hasConcept C32424582 @default.
- W2022677076 hasConcept C32909587 @default.
- W2022677076 hasConcept C33574316 @default.
- W2022677076 hasConcept C33923547 @default.
- W2022677076 hasConcept C41999313 @default.
- W2022677076 hasConcept C49040817 @default.
- W2022677076 hasConcept C544956773 @default.
- W2022677076 hasConcept C62520636 @default.
- W2022677076 hasConcept C79689650 @default.
- W2022677076 hasConcept C95269574 @default.
- W2022677076 hasConceptScore W2022677076C121332964 @default.
- W2022677076 hasConceptScore W2022677076C124657808 @default.
- W2022677076 hasConceptScore W2022677076C14158195 @default.
- W2022677076 hasConceptScore W2022677076C147120987 @default.
- W2022677076 hasConceptScore W2022677076C161935440 @default.
- W2022677076 hasConceptScore W2022677076C171250308 @default.
- W2022677076 hasConceptScore W2022677076C181500209 @default.
- W2022677076 hasConceptScore W2022677076C181966813 @default.
- W2022677076 hasConceptScore W2022677076C184779094 @default.
- W2022677076 hasConceptScore W2022677076C189394030 @default.
- W2022677076 hasConceptScore W2022677076C192562407 @default.
- W2022677076 hasConceptScore W2022677076C2524010 @default.
- W2022677076 hasConceptScore W2022677076C26873012 @default.
- W2022677076 hasConceptScore W2022677076C2776799497 @default.
- W2022677076 hasConceptScore W2022677076C2779227376 @default.
- W2022677076 hasConceptScore W2022677076C32424582 @default.
- W2022677076 hasConceptScore W2022677076C32909587 @default.
- W2022677076 hasConceptScore W2022677076C33574316 @default.
- W2022677076 hasConceptScore W2022677076C33923547 @default.
- W2022677076 hasConceptScore W2022677076C41999313 @default.
- W2022677076 hasConceptScore W2022677076C49040817 @default.
- W2022677076 hasConceptScore W2022677076C544956773 @default.
- W2022677076 hasConceptScore W2022677076C62520636 @default.
- W2022677076 hasConceptScore W2022677076C79689650 @default.
- W2022677076 hasConceptScore W2022677076C95269574 @default.
- W2022677076 hasLocation W20226770761 @default.
- W2022677076 hasOpenAccess W2022677076 @default.
- W2022677076 hasPrimaryLocation W20226770761 @default.
- W2022677076 hasRelatedWork W1966839027 @default.
- W2022677076 hasRelatedWork W1990907204 @default.
- W2022677076 hasRelatedWork W2022677076 @default.
- W2022677076 hasRelatedWork W2058826016 @default.
- W2022677076 hasRelatedWork W2067940956 @default.
- W2022677076 hasRelatedWork W2079092037 @default.
- W2022677076 hasRelatedWork W2111190942 @default.
- W2022677076 hasRelatedWork W2124489183 @default.
- W2022677076 hasRelatedWork W2602007294 @default.
- W2022677076 hasRelatedWork W2945496432 @default.
- W2022677076 hasVolume "23" @default.
- W2022677076 isParatext "false" @default.
- W2022677076 isRetracted "false" @default.
- W2022677076 magId "2022677076" @default.
- W2022677076 workType "article" @default.