Calculation of the wave‐vector‐dependent interband impact‐ionization transition rate in wurtzite and zinc‐blende phases of bulk GaN
| Autor: | R. Wang, Ján Kolník, P. Paul Ruden, Kevin F. Brennan, İsmail H. Oğuzman |
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| Rok vydání: | 1996 |
| Předmět: |
Pseudopotential
Condensed Matter::Materials Science Impact ionization Materials science Valence (chemistry) Condensed matter physics Ionization Physics::Atomic and Molecular Clusters General Physics and Astronomy Electronic band structure Transition rate matrix Threshold energy Wurtzite crystal structure |
| Zdroj: | Journal of Applied Physics. 79:8838-8840 |
| ISSN: | 1089-7550 0021-8979 |
| DOI: | 10.1063/1.362509 |
| Popis: | We present calculations of the wave‐vector‐dependent interband impact‐ionization transition rate in wurtzite and zinc‐blende phases of bulk GaN. The transition rate is determined by integrating Fermi’s golden rule for a two‐body, screened Coulomb interaction over the possible final states using a numerically generated dielectric function and pseudowavefunctions. The full details of all relevant conduction and valence bands in zinc‐blende and wurtzite GaN are included from an empirical pseudopotential calculation. It is found that the transition rate is consistent with a relatively ‘‘soft’’ threshold energy. |
| Databáze: | OpenAIRE |
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