Electron initiated impact ionization in AlGaN alloys
dc.citation.epage | L62 | en_US |
dc.citation.issueNumber | 10 | en_US |
dc.citation.spage | L59 | en_US |
dc.citation.volumeNumber | 17 | en_US |
dc.contributor.author | Bulutay, C. | en_US |
dc.date.accessioned | 2016-02-08T10:32:18Z | |
dc.date.available | 2016-02-08T10:32:18Z | |
dc.date.issued | 2002 | en_US |
dc.department | Department of Physics | en_US |
dc.description.abstract | Detailed impact ionization (II) analysis of electrons is presented for AlGaN alloys as a vital resource for solar-blind avalanche photodiode and high power transistor applications. Necessary ingredients for the II characterization are supplied from a recent experiment on the GaN end, and a Keldysh analysis for the AlN end, of the alloy AlGaN. High-field electron dynamics are simulated using an ensemble Monte Carlo framework, accounting for all valleys in the lowest two conduction bands, obtained from accurate empirical pseudopotential band structure computations. The effect of alloy scattering on II is considered and observed to be significant. For any AlxGa1-xN alloy, the electron II coefficients are found to obey the form, A exp(-K/F), for the electric field, F. | en_US |
dc.description.provenance | Made available in DSpace on 2016-02-08T10:32:18Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2002 | en |
dc.identifier.doi | 10.1088/0268-1242/17/10/102 | en_US |
dc.identifier.issn | 0268-1242 | |
dc.identifier.uri | http://hdl.handle.net/11693/24643 | |
dc.language.iso | English | en_US |
dc.publisher | Institute of Physics | en_US |
dc.relation.isversionof | http://dx.doi.org/10.1088/0268-1242/17/10/102 | en_US |
dc.source.title | Semiconductor Science and Technology | en_US |
dc.subject | Aluminum alloys | en_US |
dc.subject | Band structure | en_US |
dc.subject | Electric field effects | en_US |
dc.subject | Electrons | en_US |
dc.subject | Monte Carlo methods | en_US |
dc.subject | Photodiodes | en_US |
dc.subject | Conduction bands | en_US |
dc.subject | Impact ionization | en_US |
dc.title | Electron initiated impact ionization in AlGaN alloys | en_US |
dc.type | Article | en_US |
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