{"id":"https://openalex.org/W2006196338","doi":"https://doi.org/10.1063/1.2971205","title":"Optical properties of GaN/AlGaN quantum wells grown on nonpolar substrates","display_name":"Optical properties of GaN/AlGaN quantum wells grown on nonpolar substrates","publication_year":2008,"publication_date":"2008-09-08","ids":{"openalex":"https://openalex.org/W2006196338","doi":"https://doi.org/10.1063/1.2971205","mag":"2006196338"},"language":"en","primary_location":{"id":"doi:10.1063/1.2971205","doi":"https://doi.org/10.1063/1.2971205","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.2971205","pdf_url":null,"source":{"id":"https://openalex.org/S105243760","display_name":"Applied Physics Letters","issn_l":"0003-6951","issn":["0003-6951","1077-3118","1520-8842"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-1","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Physics Letters","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/A5011600318","display_name":"Tom J. Badcock","orcid":"https://orcid.org/0000-0003-3084-3044","observed_orcids":["https://orcid.org/0000-0003-3084-3044"]},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"T. J. Badcock","raw_affiliation_strings":["University of Manchester 1 School of Physics and Astronomy, Photon Science Institute, Alan Turing Building, , Manchester M13 9PL, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Manchester 1 School of Physics and Astronomy, Photon Science Institute, Alan Turing Building, , Manchester M13 9PL, United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102833396","display_name":"P. Dawson","orcid":"https://orcid.org/0000-0002-5954-4470","observed_orcids":["https://orcid.org/0000-0002-5954-4470"]},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"P. Dawson","raw_affiliation_strings":["University of Manchester 1 School of Physics and Astronomy, Photon Science Institute, Alan Turing Building, , Manchester M13 9PL, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Manchester 1 School of Physics and Astronomy, Photon Science Institute, Alan Turing Building, , Manchester M13 9PL, United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028033253","display_name":"Menno J. Kappers","orcid":"https://orcid.org/0000-0002-6566-0742","observed_orcids":["https://orcid.org/0000-0002-6566-0742"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"M. J. Kappers","raw_affiliation_strings":["University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009419256","display_name":"C. McAleese","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"C. McAleese","raw_affiliation_strings":["University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087399607","display_name":"Jonathan L. Hollander","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J. L. Hollander","raw_affiliation_strings":["University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011306791","display_name":"Carol F. Johnston","orcid":"https://orcid.org/0000-0002-9123-9169","observed_orcids":["https://orcid.org/0000-0002-9123-9169"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"C. F. Johnston","raw_affiliation_strings":["University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110043972","display_name":"D.V. Sridhara Rao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D. V. Sridhara Rao","raw_affiliation_strings":["University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020009504","display_name":"Ana M. S\u00e1nchez","orcid":"https://orcid.org/0000-0002-8230-6059","observed_orcids":["https://orcid.org/0000-0002-8230-6059"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A. M. Sanchez","raw_affiliation_strings":["University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020842649","display_name":"Colin John Humphreys","orcid":"https://orcid.org/0000-0001-5053-3380","observed_orcids":["https://orcid.org/0000-0001-5053-3380"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"C. J. Humphreys","raw_affiliation_strings":["University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Cambridge 2 Department of Materials Science and Metallurgy, , Pembroke Street, Cambridge CB2 3QZ, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.0543,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.91627106,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":87,"max":98},"biblio":{"volume":"93","issue":"10","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.9990000128746033,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":0.000699999975040555,"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/T11160","display_name":"Acoustic Wave Resonator Technologies","score":0.0,"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/gan-algan-multiple-quantum-wells","display_name":"GaN/AlGaN multiple quantum wells","score":0.9779999852180481},{"id":"https://openalex.org/keywords/nonpolar-gan","display_name":"nonpolar GaN","score":0.777999997138977},{"id":"https://openalex.org/keywords/a-plane-gan","display_name":"a-plane GaN","score":0.9070000052452087},{"id":"https://openalex.org/keywords/r-plane-sapphire-substrate","display_name":"r-plane sapphire substrate","score":0.8790000081062317},{"id":"https://openalex.org/keywords/photoluminescence","display_name":"photoluminescence","score":0.8949999809265137},{"id":"https://openalex.org/keywords/stacking-faults","display_name":"stacking faults","score":0.7689999938011169},{"id":"https://openalex.org/keywords/excitons","display_name":"excitons","score":0.7860000133514404},{"id":"https://openalex.org/keywords/quantum-confinement","display_name":"quantum confinement","score":0.9490000009536743},{"id":"https://openalex.org/keywords/quantum-well-thickness-dependence","display_name":"quantum well thickness dependence","score":0.6880000233650208},{"id":"https://openalex.org/keywords/exciton-localization","display_name":"exciton localization","score":0.6029999852180481},{"id":"https://openalex.org/keywords/excitation-spectroscopy","display_name":"excitation spectroscopy","score":0.6510000228881836},{"id":"https://openalex.org/keywords/low-temperature-emission","display_name":"low-temperature emission","score":0.46299999952316284}],"concepts":[{"id":"https://openalex.org/C29169072","wikidata":"https://www.wikidata.org/wiki/Q521166","display_name":"Quantum well","level":3,"score":0.8789995908737183},{"id":"https://openalex.org/C85080765","wikidata":"https://www.wikidata.org/wiki/Q614893","display_name":"Photoluminescence","level":2,"score":0.8772596120834351},{"id":"https://openalex.org/C17729963","wikidata":"https://www.wikidata.org/wiki/Q858289","display_name":"Exciton","level":2,"score":0.8125638961791992},{"id":"https://openalex.org/C33347731","wikidata":"https://www.wikidata.org/wiki/Q285210","display_name":"Stacking","level":2,"score":0.7118673324584961},{"id":"https://openalex.org/C2780064504","wikidata":"https://www.wikidata.org/wiki/Q127583","display_name":"Sapphire","level":3,"score":0.6080721020698547},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.57682204246521},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.5325899124145508},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.5201483368873596},{"id":"https://openalex.org/C163217030","wikidata":"https://www.wikidata.org/wiki/Q7268964","display_name":"Quantum-confined Stark effect","level":4,"score":0.5157333016395569},{"id":"https://openalex.org/C189278905","wikidata":"https://www.wikidata.org/wiki/Q2157708","display_name":"Wide-bandgap semiconductor","level":2,"score":0.49502962827682495},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.4750423729419708},{"id":"https://openalex.org/C41999313","wikidata":"https://www.wikidata.org/wiki/Q489328","display_name":"Molecular physics","level":1,"score":0.4492073953151703},{"id":"https://openalex.org/C159242009","wikidata":"https://www.wikidata.org/wiki/Q7187823","display_name":"Photoluminescence excitation","level":3,"score":0.4325045645236969},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.4137875735759735},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.36154043674468994},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.33236438035964966},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.19637221097946167},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11847001314163208},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.08567318320274353},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","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/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1063/1.2971205","doi":"https://doi.org/10.1063/1.2971205","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.2971205","pdf_url":null,"source":{"id":"https://openalex.org/S105243760","display_name":"Applied Physics Letters","issn_l":"0003-6951","issn":["0003-6951","1077-3118","1520-8842"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-1","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Physics Letters","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/0ccfd0ee-68a5-4a1e-b17d-7b9165031e31","doi":null,"is_oa":false,"landing_page_url":"https://research.manchester.ac.uk/en/publications/0ccfd0ee-68a5-4a1e-b17d-7b9165031e31","pdf_url":null,"source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Badcock, T J, Dawson, P, Kappers, M J, McAleese, C, Hollander, J L, Johnston, C F, Rao, D V S, Sanchez, A M & Humphreys, C J 2008, 'Optical properties of GaN/AlGaN quantum wells grown on nonpolar substrates', Applied Physics Letters, vol. 93, no. 10, 101901. https://doi.org/10.1063/1.2971205","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G7862417273","display_name":"Materials Challenges in GaN-based Light Emitting Structures","funder_award_id":"EP/E035167/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1575377844","https://openalex.org/W1964001924","https://openalex.org/W1984933713","https://openalex.org/W1996933797","https://openalex.org/W1997540162","https://openalex.org/W2003703992","https://openalex.org/W2020279967","https://openalex.org/W2042034674","https://openalex.org/W2048253250","https://openalex.org/W2049091895","https://openalex.org/W2057499170","https://openalex.org/W2058171063","https://openalex.org/W2059541816","https://openalex.org/W2063858121","https://openalex.org/W2065755824","https://openalex.org/W2066613415","https://openalex.org/W2104798740"],"related_works":["https://openalex.org/W2028691888","https://openalex.org/W2157769083","https://openalex.org/W2023353575","https://openalex.org/W2010277141","https://openalex.org/W4233356433","https://openalex.org/W2019916223","https://openalex.org/W6903009950","https://openalex.org/W1590091564","https://openalex.org/W2092125687","https://openalex.org/W1905005086"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3,58],"report":[4],"on":[5,19,27,124,153],"the":[6,39,48,65,68,88,119,128,133,145,164],"optical":[7],"properties":[8],"of":[9,12,38,47,67,121],"a":[10,34],"series":[11],"GaN/AlGaN":[13],"multiple":[14],"quantum":[15,89,108,122,134,146,168],"well":[16,90,109,137,169],"structures":[17,91],"grown":[18],"a-plane":[20],"(112\u00af0)":[21],"GaN,":[22],"which":[23,57],"had":[24],"been":[25],"deposited":[26],"r-plane":[28],"(11\u00af02)":[29],"sapphire":[30],"substrates,":[31],"compared":[32],"to":[33,60,103,113,118],"reference":[35],"GaN":[36],"template":[37,49],"same":[40],"orientation.":[41],"The":[42,84,111],"low":[43],"temperature":[44],"photoluminescence":[45,85],"spectrum":[46],"layer":[50,69],"is":[51,116,150],"dominated":[52],"by":[53],"two":[54],"emission":[55,94],"bands,":[56],"attribute":[59],"recombination":[61],"involving":[62],"excitons":[63,140],"in":[64],"bulk":[66],"and":[70,72,81,100,166],"electrons":[71,162],"holes":[73],"trapped":[74,126],"at":[75,127],"basal-plane":[76],"stacking":[77,129],"faults,":[78],"designated":[79],"X1":[80,99],"X2,":[82],"respectively.":[83],"spectra":[86],"from":[87,163],"show":[92],"similar":[93],"bands":[95],"except":[96],"that":[97,131,141,156],"both":[98],"X2":[101],"shift":[102,112],"higher":[104,114],"energy":[105,115],"with":[106,161],"decreasing":[107],"thickness.":[110],"due":[117],"effects":[120],"confinement":[123],"carriers":[125],"faults":[130],"intersect":[132],"wells,":[135],"as":[136,138],"those":[139],"are":[142],"localized":[143],"within":[144],"wells.":[147],"This":[148],"assignment":[149],"based":[151],"partly":[152],"excitation":[154],"spectroscopy":[155],"reveals":[157],"exciton":[158],"transitions":[159],"associated":[160],"n=1":[165],"n=2":[167],"confined":[170],"states.":[171]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":6}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
