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Optimization of cubic GaN/AlGaN quantum well-based structures for intersubband absorption in the infrared spectral range
dc.creator | Radosavljević, Ana | |
dc.creator | Radovanović, Jelena V. | |
dc.creator | Milanović, Vitomir B. | |
dc.date.accessioned | 2018-03-01T23:59:44Z | |
dc.date.available | 2018-03-01T23:59:44Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 0038-1098 | |
dc.identifier.issn | 1879-2766 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/5891 | |
dc.description.abstract | A method is proposed for the optimization of structural parameters of GaN/AlGaN quantum wells and Bragg-confined structures, with respect to peak intersubband absorption from the ground to the first excited electronic state in the mid and near infrared spectral range. It is based on the application of the Genetic Algorithm and delivers globally optimal structures with a preset number of embedded layers. Simple rectangular quantum well profile is investigated for the maximal Stark effect and applications to tunable mid-infrared photodetectors. In case of Bragg-confined structures, an above the barrier bound state is used to extend the range of transition energies above the values available in conventional quantum wells. The effects of band nonparabolicity are taken into account. (C) 2013 Elsevier Ltd. All rights reserved | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45010/RS// | |
dc.rights | restrictedAccess | en |
dc.source | Solid State Communications | en |
dc.subject | Bragg-confined structures | en |
dc.subject | Quantum wells | en |
dc.subject | Intersubband absorption | en |
dc.subject | Genetic algorithm | en |
dc.title | Optimization of cubic GaN/AlGaN quantum well-based structures for intersubband absorption in the infrared spectral range | en |
dc.type | article | en |
dcterms.abstract | Милановиц, Витомир; Радосављевић Aна; Радовановиц, Јелена; | |
dc.citation.volume | 182 | |
dc.citation.spage | 38 | |
dc.citation.epage | 42 | |
dc.identifier.wos | 000331635900010 | |
dc.identifier.doi | 10.1016/j.ssc.2013.12.006 | |
dc.citation.rank | M22 | |
dc.identifier.scopus | 2-s2.0-84891871532 |
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