{"id":"https://openalex.org/W2087315673","doi":"https://doi.org/10.1143/jjap.46.4622","title":"Direct Measurement of Optical Absorption for Si\u2013Ge\u2013Au Amorphous Thin Films by Using Photoacoustic Spectroscopy","display_name":"Direct Measurement of Optical Absorption for Si\u2013Ge\u2013Au Amorphous Thin Films by Using Photoacoustic Spectroscopy","publication_year":2007,"publication_date":"2007-07-01","ids":{"openalex":"https://openalex.org/W2087315673","doi":"https://doi.org/10.1143/jjap.46.4622","mag":"2087315673"},"language":"en","primary_location":{"id":"doi:10.1143/jjap.46.4622","doi":"https://doi.org/10.1143/jjap.46.4622","is_oa":true,"landing_page_url":"https://doi.org/10.1143/jjap.46.4622","pdf_url":"https://iopscience.iop.org/article/10.1143/JJAP.46.4622/pdf","source":{"id":"https://openalex.org/S143744711","display_name":"Japanese Journal of Applied Physics","issn_l":"0021-4922","issn":["0021-4922","1347-4065"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Japanese Journal of Applied Physics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://iopscience.iop.org/article/10.1143/JJAP.46.4622/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5022648597","display_name":"Hiroaki Takiguchi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I443798","display_name":"National Defense Academy of Japan","ror":"https://ror.org/05xszy717","country_code":"JP","type":"education","lineage":["https://openalex.org/I443798"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroaki Takiguchi","raw_affiliation_strings":["Department of Materials Science and Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan","institution_ids":["https://openalex.org/I443798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101472984","display_name":"Yoichi Okamoto","orcid":"https://orcid.org/0000-0002-3823-5222","observed_orcids":["https://orcid.org/0000-0002-3823-5222"]},"institutions":[{"id":"https://openalex.org/I443798","display_name":"National Defense Academy of Japan","ror":"https://ror.org/05xszy717","country_code":"JP","type":"education","lineage":["https://openalex.org/I443798"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoichi Okamoto","raw_affiliation_strings":["Department of Materials Science and Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan","institution_ids":["https://openalex.org/I443798"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042344721","display_name":"Atsushi Aruga","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I443798","display_name":"National Defense Academy of Japan","ror":"https://ror.org/05xszy717","country_code":"JP","type":"education","lineage":["https://openalex.org/I443798"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi Aruga","raw_affiliation_strings":["Department of Materials Science and Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan","institution_ids":["https://openalex.org/I443798"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I443798"],"apc_list":{"value":2210,"currency":"USD","value_usd":2210},"apc_paid":null,"fwci":0.5155,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.58780233,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"46","issue":"7S","first_page":"4622","last_page":"4622"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11853","display_name":"Semiconductor materials and interfaces","score":0.00279999990016222,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10623","display_name":"Thin-Film Transistor Technologies","score":0.0020000000949949026,"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-absorption-spectra","display_name":"optical absorption spectra","score":0.7670000195503235},{"id":"https://openalex.org/keywords/photoacoustic-spectroscopy","display_name":"photoacoustic spectroscopy","score":0.9010000228881836},{"id":"https://openalex.org/keywords/thermoelectric-properties","display_name":"thermoelectric properties","score":0.9909999966621399},{"id":"https://openalex.org/keywords/annealing","display_name":"annealing","score":0.765999972820282},{"id":"https://openalex.org/keywords/recrystallization","display_name":"recrystallization","score":0.9319999814033508},{"id":"https://openalex.org/keywords/silicon","display_name":"silicon","score":0.4390000104904175}],"concepts":[{"id":"https://openalex.org/C63024428","wikidata":"https://www.wikidata.org/wiki/Q552456","display_name":"Thermoelectric effect","level":2,"score":0.7723087072372437},{"id":"https://openalex.org/C56052488","wikidata":"https://www.wikidata.org/wiki/Q103382","display_name":"Amorphous solid","level":2,"score":0.7701866626739502},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7306417226791382},{"id":"https://openalex.org/C2777855556","wikidata":"https://www.wikidata.org/wiki/Q4339544","display_name":"Annealing (glass)","level":2,"score":0.6959758400917053},{"id":"https://openalex.org/C19067145","wikidata":"https://www.wikidata.org/wiki/Q1137203","display_name":"Thin film","level":2,"score":0.6567838191986084},{"id":"https://openalex.org/C119824511","wikidata":"https://www.wikidata.org/wiki/Q13553575","display_name":"Absorption spectroscopy","level":2,"score":0.49070632457733154},{"id":"https://openalex.org/C105382558","wikidata":"https://www.wikidata.org/wiki/Q332431","display_name":"Superlattice","level":2,"score":0.4755499064922333},{"id":"https://openalex.org/C57863236","wikidata":"https://www.wikidata.org/wiki/Q1130571","display_name":"Doping","level":2,"score":0.4423713684082031},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.44170641899108887},{"id":"https://openalex.org/C207365445","wikidata":"https://www.wikidata.org/wiki/Q15020929","display_name":"Thermoelectric materials","level":3,"score":0.43253546953201294},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.43243950605392456},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.4240618944168091},{"id":"https://openalex.org/C195702682","wikidata":"https://www.wikidata.org/wiki/Q623318","display_name":"Recrystallization (geology)","level":2,"score":0.4139525294303894},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.24537643790245056},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20770660042762756},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.1616881787776947},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.14038684964179993},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.09552216529846191},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.04987442493438721},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C97346530","wikidata":"https://www.wikidata.org/wiki/Q487005","display_name":"Thermal conductivity","level":2,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1143/jjap.46.4622","doi":"https://doi.org/10.1143/jjap.46.4622","is_oa":true,"landing_page_url":"https://doi.org/10.1143/jjap.46.4622","pdf_url":"https://iopscience.iop.org/article/10.1143/JJAP.46.4622/pdf","source":{"id":"https://openalex.org/S143744711","display_name":"Japanese Journal of Applied Physics","issn_l":"0021-4922","issn":["0021-4922","1347-4065"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Japanese Journal of Applied Physics","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1143/jjap.46.4622","doi":"https://doi.org/10.1143/jjap.46.4622","is_oa":true,"landing_page_url":"https://doi.org/10.1143/jjap.46.4622","pdf_url":"https://iopscience.iop.org/article/10.1143/JJAP.46.4622/pdf","source":{"id":"https://openalex.org/S143744711","display_name":"Japanese Journal of Applied Physics","issn_l":"0021-4922","issn":["0021-4922","1347-4065"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Japanese Journal of Applied Physics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2087315673.pdf","grobid_xml":"https://content.openalex.org/works/W2087315673.grobid-xml"},"referenced_works_count":13,"referenced_works":["https://openalex.org/W1985942467","https://openalex.org/W1993447019","https://openalex.org/W1997368277","https://openalex.org/W2003432959","https://openalex.org/W2040317970","https://openalex.org/W2042056247","https://openalex.org/W2045590530","https://openalex.org/W2049018567","https://openalex.org/W2054921033","https://openalex.org/W2069748702","https://openalex.org/W2075230012","https://openalex.org/W2094966126","https://openalex.org/W2802044307"],"related_works":["https://openalex.org/W2069748702","https://openalex.org/W2571330591","https://openalex.org/W2080751359","https://openalex.org/W2154387367","https://openalex.org/W143944057","https://openalex.org/W2096877990","https://openalex.org/W2096000560","https://openalex.org/W2052839045","https://openalex.org/W2730725797","https://openalex.org/W2098733751"],"abstract_inverted_index":{"We":[0,126],"have":[1],"already":[2],"reported":[3],"the":[4,30,34,43,57,77,88,102,105,108,111,114,119,129,132],"extremely":[5],"high":[6],"thermoelectric":[7,15,48,89,109,133],"properties":[8,16,90,134],"of":[9,17,33,46,60,76,104,113,121],"Si\u2013Ge\u2013Au":[10,50],"amorphous":[11,51],"thin":[12,52],"films.":[13],"The":[14,73],"such":[18],"films":[19,35,53],"change":[20,44,106,130],"slowly":[21],"during":[22],"annealing":[23,94],"cycles.":[24],"In":[25,92],"this":[26],"paper,":[27],"we":[28,96],"describe":[29],"absorption":[31,78],"spectra":[32,79],"by":[36,56,137],"using":[37],"photoacoustic":[38],"spectroscopy":[39],"(PAS)":[40],"to":[41,100],"clarify":[42],"mechanism":[45,103],"these":[47,93,138],"properties.":[49],"were":[54],"prepared":[55],"alternate":[58],"deposition":[59],"a":[61,67,82],"non":[62],"doped":[63,70],"Si":[64],"layer":[65],"and":[66,118],"heavily":[68],"Au":[69],"Ge":[71],"layer.":[72],"peak":[74],"positions":[75],"shift":[80],"in":[81,107,131],"complex":[83],"way":[84],"with":[85],"annealing,":[86],"where":[87],"change.":[91],"cycles,":[95],"assume":[97],"three":[98,139],"stages":[99],"explain":[101],"properties:":[110],"collapse":[112],"superlattice,":[115],"compositional":[116],"diffusion":[117],"termination":[120],"recrystallization":[122],"at":[123],"673":[124],"K.":[125],"conclude":[127],"that":[128],"is":[135],"explained":[136],"stages.":[140]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2016-06-24T00:00:00"}