{"id":"https://openalex.org/W2093781663","doi":"https://doi.org/10.1016/j.ijleo.2015.02.087","title":"Optical band-gap shift in (InAs)GaAs/AlGaAs HEMTs structures studied by photoluminescence spectroscopy","display_name":"Optical band-gap shift in (InAs)GaAs/AlGaAs HEMTs structures studied by photoluminescence spectroscopy","publication_year":2015,"publication_date":"2015-04-21","ids":{"openalex":"https://openalex.org/W2093781663","doi":"https://doi.org/10.1016/j.ijleo.2015.02.087","mag":"2093781663"},"language":"en","primary_location":{"id":"doi:10.1016/j.ijleo.2015.02.087","doi":"https://doi.org/10.1016/j.ijleo.2015.02.087","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.ijleo.2015.02.087","pdf_url":null,"source":{"id":"https://openalex.org/S201441698","display_name":"Optik","issn_l":"0030-4026","issn":["0030-4026","1618-1336"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optik","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109094675","display_name":"M. Daoudi","orcid":"https://orcid.org/0000-0001-8229-7597","observed_orcids":["https://orcid.org/0000-0001-8229-7597"]},"institutions":[{"id":"https://openalex.org/I4210091866","display_name":"Research and Technology Center of Energy","ror":"https://ror.org/00dyead60","country_code":"TN","type":"facility","lineage":["https://openalex.org/I4210091866","https://openalex.org/I4210166358"]}],"countries":["TN"],"is_corresponding":true,"raw_author_name":"M. Daoudi","raw_affiliation_strings":["Laboratoire de Photovolta\u00efque, Centre de Recherche et des Technologies de l\u2019\u00e9nergie, BP 95, Hammam-Lif 2050, Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Photovolta\u00efque, Centre de Recherche et des Technologies de l\u2019\u00e9nergie, BP 95, Hammam-Lif 2050, Tunisia","institution_ids":["https://openalex.org/I4210091866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017106823","display_name":"Houda Kaouach","orcid":"https://orcid.org/0000-0002-6214-5235","observed_orcids":["https://orcid.org/0000-0002-6214-5235"]},"institutions":[{"id":"https://openalex.org/I4210091866","display_name":"Research and Technology Center of Energy","ror":"https://ror.org/00dyead60","country_code":"TN","type":"facility","lineage":["https://openalex.org/I4210091866","https://openalex.org/I4210166358"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"H. Kaouach","raw_affiliation_strings":["Laboratoire de Photovolta\u00efque, Centre de Recherche et des Technologies de l\u2019\u00e9nergie, BP 95, Hammam-Lif 2050, Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Photovolta\u00efque, Centre de Recherche et des Technologies de l\u2019\u00e9nergie, BP 95, Hammam-Lif 2050, Tunisia","institution_ids":["https://openalex.org/I4210091866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034738721","display_name":"Ines Dhifallah","orcid":"https://orcid.org/0000-0003-1800-2066","observed_orcids":["https://orcid.org/0000-0003-1800-2066"]},"institutions":[{"id":"https://openalex.org/I4210091866","display_name":"Research and Technology Center of Energy","ror":"https://ror.org/00dyead60","country_code":"TN","type":"facility","lineage":["https://openalex.org/I4210091866","https://openalex.org/I4210166358"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"I. Dhifallah","raw_affiliation_strings":["Laboratoire de Photovolta\u00efque, Centre de Recherche et des Technologies de l\u2019\u00e9nergie, BP 95, Hammam-Lif 2050, Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Photovolta\u00efque, Centre de Recherche et des Technologies de l\u2019\u00e9nergie, BP 95, Hammam-Lif 2050, Tunisia","institution_ids":["https://openalex.org/I4210091866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001056300","display_name":"Abdelkarim Ouerghi","orcid":"https://orcid.org/0000-0002-1898-2765","observed_orcids":["https://orcid.org/0000-0002-1898-2765"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"A. Ouerghi","raw_affiliation_strings":["Laboratoire de Photonique et de Nanostructures, CNRS Route de Nozay, Marcoussis, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Photonique et de Nanostructures, CNRS Route de Nozay, Marcoussis, France","institution_ids":["https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043211658","display_name":"R. Chtourou","orcid":"https://orcid.org/0000-0002-2878-0825","observed_orcids":["https://orcid.org/0000-0002-2878-0825"]},"institutions":[{"id":"https://openalex.org/I4210091866","display_name":"Research and Technology Center of Energy","ror":"https://ror.org/00dyead60","country_code":"TN","type":"facility","lineage":["https://openalex.org/I4210091866","https://openalex.org/I4210166358"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"R. Chtourou","raw_affiliation_strings":["Laboratoire de Photovolta\u00efque, Centre de Recherche et des Technologies de l\u2019\u00e9nergie, BP 95, Hammam-Lif 2050, Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Photovolta\u00efque, Centre de Recherche et des Technologies de l\u2019\u00e9nergie, BP 95, Hammam-Lif 2050, Tunisia","institution_ids":["https://openalex.org/I4210091866"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5109094675"],"corresponding_institution_ids":["https://openalex.org/I4210091866"],"apc_list":{"value":2650,"currency":"USD","value_usd":2650},"apc_paid":null,"fwci":0.3218,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.55892757,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"126","issue":"9-10","first_page":"932","last_page":"936"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":0.8852999806404114,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":0.8852999806404114,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.060100000351667404,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12309","display_name":"solar cell performance optimization","score":0.013100000098347664,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/optical-band-gap-shift","display_name":"optical band gap shift","score":0.8870000243186951},{"id":"https://openalex.org/keywords/quantum-confined-stark-effect","display_name":"quantum-confined Stark effect","score":0.8460000157356262},{"id":"https://openalex.org/keywords/burstein-moss-effect","display_name":"Burstein-Moss effect","score":0.9190000295639038},{"id":"https://openalex.org/keywords/si-delta-doping","display_name":"Si delta doping","score":0.6980000138282776},{"id":"https://openalex.org/keywords/strain-relaxation","display_name":"strain relaxation","score":0.9850000143051147},{"id":"https://openalex.org/keywords/carrier-concentration","display_name":"carrier concentration","score":0.5849999785423279},{"id":"https://openalex.org/keywords/power-dependent-photoluminescence","display_name":"power-dependent photoluminescence","score":0.8190000057220459}],"concepts":[{"id":"https://openalex.org/C85080765","wikidata":"https://www.wikidata.org/wiki/Q614893","display_name":"Photoluminescence","level":2,"score":0.8787347078323364},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7391266822814941},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.6575141549110413},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.6351274251937866},{"id":"https://openalex.org/C181966813","wikidata":"https://www.wikidata.org/wiki/Q806352","display_name":"Band gap","level":2,"score":0.594014585018158},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.5410420298576355},{"id":"https://openalex.org/C57863236","wikidata":"https://www.wikidata.org/wiki/Q1130571","display_name":"Doping","level":2,"score":0.5074920058250427},{"id":"https://openalex.org/C50126897","wikidata":"https://www.wikidata.org/wiki/Q389407","display_name":"Stark effect","level":3,"score":0.49540984630584717},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.4856661558151245},{"id":"https://openalex.org/C29169072","wikidata":"https://www.wikidata.org/wiki/Q521166","display_name":"Quantum well","level":3,"score":0.46789681911468506},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.23423486948013306},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.22011646628379822},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12277153134346008},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.ijleo.2015.02.087","doi":"https://doi.org/10.1016/j.ijleo.2015.02.087","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.ijleo.2015.02.087","pdf_url":null,"source":{"id":"https://openalex.org/S201441698","display_name":"Optik","issn_l":"0030-4026","issn":["0030-4026","1618-1336"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optik","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W193385536","https://openalex.org/W1505241371","https://openalex.org/W1623199389","https://openalex.org/W1964077210","https://openalex.org/W1969483198","https://openalex.org/W1970393049","https://openalex.org/W1979945267","https://openalex.org/W1980910082","https://openalex.org/W1980988603","https://openalex.org/W1986089596","https://openalex.org/W1989036390","https://openalex.org/W1992246410","https://openalex.org/W1994714094","https://openalex.org/W2003155365","https://openalex.org/W2005824473","https://openalex.org/W2008221506","https://openalex.org/W2008871931","https://openalex.org/W2016570687","https://openalex.org/W2019489018","https://openalex.org/W2022503863","https://openalex.org/W2023010144","https://openalex.org/W2027041366","https://openalex.org/W2027638697","https://openalex.org/W2030307019","https://openalex.org/W2030389563","https://openalex.org/W2036797154","https://openalex.org/W2038722069","https://openalex.org/W2040793174","https://openalex.org/W2046856091","https://openalex.org/W2048491501","https://openalex.org/W2048601770","https://openalex.org/W2050753915","https://openalex.org/W2061547139","https://openalex.org/W2067585185","https://openalex.org/W2074928619","https://openalex.org/W2081330085","https://openalex.org/W2083267693","https://openalex.org/W2091471005","https://openalex.org/W2091668905","https://openalex.org/W2095323886","https://openalex.org/W2116219975","https://openalex.org/W2127628584","https://openalex.org/W3124509849"],"related_works":["https://openalex.org/W1998466966","https://openalex.org/W1996540158","https://openalex.org/W2003421371","https://openalex.org/W4246956935","https://openalex.org/W2535880359","https://openalex.org/W2077558264","https://openalex.org/W2357375209","https://openalex.org/W2018950736","https://openalex.org/W2026031235","https://openalex.org/W2326153557"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}