{"id":"https://openalex.org/W7217612967","doi":null,"title":"Structural and optical properties of evaporated Ge/Al Bilayer thin films","display_name":"Structural and optical properties of evaporated Ge/Al Bilayer thin films","publication_year":2011,"publication_date":"2011-01-01","ids":{"openalex":"https://openalex.org/W7217612967"},"language":"en","primary_location":{"id":"pmh:oai:openaccess.firat.edu.tr:11508/50415","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/11508/50415","pdf_url":null,"source":{"id":"https://openalex.org/S4377196733","display_name":"DSpace - FIRAT (F\u0131rat University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I143396566","host_organization_name":"F\u0131rat University","host_organization_lineage":["https://openalex.org/I143396566"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/11508/50415","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088640043","display_name":"H.M. El-Nasser","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"El-Nasser, H.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052646915","display_name":"Fahrettin YAKUPHANO\u011eLU","orcid":"https://orcid.org/0000-0002-6500-7583","observed_orcids":["https://orcid.org/0000-0002-6500-7583","https://orcid.org/0000-0001-5082-6044","https://orcid.org/0000-0001-6331-3248"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yakuphano\u011flu, Fahrettin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5155145959","display_name":"A. Mahasneh","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mahasneh, A.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5154303405","display_name":"A. Ahmad","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ahmad, A.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.37962401,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11853","display_name":"Semiconductor materials and interfaces","score":0.2946999967098236,"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"}},"topics":[{"id":"https://openalex.org/T11853","display_name":"Semiconductor materials and interfaces","score":0.2946999967098236,"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/T10590","display_name":"Chalcogenide Semiconductor Thin Films","score":0.1324000060558319,"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"}},{"id":"https://openalex.org/T10623","display_name":"Thin-Film Transistor Technologies","score":0.12919999659061432,"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/amorphous-germanium","display_name":"amorphous germanium","score":0.8560000061988831},{"id":"https://openalex.org/keywords/aluminum","display_name":"aluminum","score":0.6389999985694885},{"id":"https://openalex.org/keywords/thermal-evaporation","display_name":"thermal evaporation","score":0.8270000219345093},{"id":"https://openalex.org/keywords/optical-band-gap","display_name":"optical band gap","score":0.7139999866485596},{"id":"https://openalex.org/keywords/refractive-index","display_name":"refractive index","score":0.7350000143051147},{"id":"https://openalex.org/keywords/extinction-coefficient","display_name":"extinction coefficient","score":0.9940000176429749},{"id":"https://openalex.org/keywords/surface-roughness","display_name":"surface roughness","score":0.7630000114440918},{"id":"https://openalex.org/keywords/layer-thickness-dependence","display_name":"layer thickness dependence","score":0.671999990940094},{"id":"https://openalex.org/keywords/absorption-coefficient","display_name":"absorption coefficient","score":0.6019999980926514},{"id":"https://openalex.org/keywords/cauchy-model","display_name":"Cauchy model","score":0.6489999890327454}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.8155999779701233},{"id":"https://openalex.org/C19067145","wikidata":"https://www.wikidata.org/wiki/Q1137203","display_name":"Thin film","level":2,"score":0.7633000016212463},{"id":"https://openalex.org/C192157962","wikidata":"https://www.wikidata.org/wiki/Q4087243","display_name":"Bilayer","level":3,"score":0.671999990940094},{"id":"https://openalex.org/C76046532","wikidata":"https://www.wikidata.org/wiki/Q900239","display_name":"Molar absorptivity","level":2,"score":0.6531999707221985},{"id":"https://openalex.org/C159774933","wikidata":"https://www.wikidata.org/wiki/Q902086","display_name":"Attenuation coefficient","level":2,"score":0.6467999815940857},{"id":"https://openalex.org/C56052488","wikidata":"https://www.wikidata.org/wiki/Q103382","display_name":"Amorphous solid","level":2,"score":0.597599983215332},{"id":"https://openalex.org/C181966813","wikidata":"https://www.wikidata.org/wiki/Q806352","display_name":"Band gap","level":2,"score":0.5461999773979187},{"id":"https://openalex.org/C42067758","wikidata":"https://www.wikidata.org/wiki/Q174102","display_name":"Refractive index","level":2,"score":0.511900007724762},{"id":"https://openalex.org/C18293161","wikidata":"https://www.wikidata.org/wiki/Q898774","display_name":"Ellipsometry","level":3,"score":0.5103999972343445},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.48919999599456787},{"id":"https://openalex.org/C61441594","wikidata":"https://www.wikidata.org/wiki/Q132814","display_name":"Evaporation","level":2,"score":0.486299991607666},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.4672999978065491},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.44679999351501465},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.4072999954223633},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.387800008058548},{"id":"https://openalex.org/C107365816","wikidata":"https://www.wikidata.org/wiki/Q114817","display_name":"Surface roughness","level":2,"score":0.36570000648498535},{"id":"https://openalex.org/C71039073","wikidata":"https://www.wikidata.org/wiki/Q3439090","display_name":"Surface finish","level":2,"score":0.3440999984741211},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.32170000672340393},{"id":"https://openalex.org/C119824511","wikidata":"https://www.wikidata.org/wiki/Q13553575","display_name":"Absorption spectroscopy","level":2,"score":0.30320000648498535},{"id":"https://openalex.org/C71597924","wikidata":"https://www.wikidata.org/wiki/Q2890543","display_name":"Optical coating","level":3,"score":0.29030001163482666},{"id":"https://openalex.org/C2778182573","wikidata":"https://www.wikidata.org/wiki/Q7784286","display_name":"Thin layers","level":2,"score":0.28540000319480896},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.2705000042915344},{"id":"https://openalex.org/C50792271","wikidata":"https://www.wikidata.org/wiki/Q332846","display_name":"Absorption edge","level":3,"score":0.267300009727478},{"id":"https://openalex.org/C39353612","wikidata":"https://www.wikidata.org/wiki/Q5283759","display_name":"Atmospheric temperature range","level":2,"score":0.26080000400543213},{"id":"https://openalex.org/C2779192298","wikidata":"https://www.wikidata.org/wiki/Q7908061","display_name":"Vacuum evaporation","level":3,"score":0.25529998540878296},{"id":"https://openalex.org/C16643434","wikidata":"https://www.wikidata.org/wiki/Q898642","display_name":"Temperature coefficient","level":2,"score":0.2549000084400177},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.25279998779296875},{"id":"https://openalex.org/C47463417","wikidata":"https://www.wikidata.org/wiki/Q6583695","display_name":"Thermal expansion","level":2,"score":0.2508000135421753}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:openaccess.firat.edu.tr:11508/50415","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/11508/50415","pdf_url":null,"source":{"id":"https://openalex.org/S4377196733","display_name":"DSpace - FIRAT (F\u0131rat University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I143396566","host_organization_name":"F\u0131rat University","host_organization_lineage":["https://openalex.org/I143396566"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:openaccess.firat.edu.tr:11508/50415","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/11508/50415","pdf_url":null,"source":{"id":"https://openalex.org/S4377196733","display_name":"DSpace - FIRAT (F\u0131rat University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I143396566","host_organization_name":"F\u0131rat University","host_organization_lineage":["https://openalex.org/I143396566"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2085281603","https://openalex.org/W2163916014","https://openalex.org/W4365813687","https://openalex.org/W2552162072","https://openalex.org/W2089002398","https://openalex.org/W2791225424","https://openalex.org/W3153493247","https://openalex.org/W7096031352","https://openalex.org/W1556345641","https://openalex.org/W2187238104"],"abstract_inverted_index":{"Germanium-":[0],"aluminum":[1],"(a-Ge/Al)":[2],"bilayer":[3,77],"thin":[4,78],"films":[5,48,79],"with":[6,154],"two":[7],"different":[8],"Al":[9,31,156],"thicknesses":[10,104],"were":[11,25,80,105,135],"deposited":[12],"onto":[13],"glass":[14],"substrates":[15],"by":[16,107],"thermal":[17],"evaporation":[18],"technique.":[19],"The":[20,51,72,98,123],"structural":[21],"and":[22,27,103,116],"optical":[23,73,124,150],"properties":[24,36,74],"investigated":[26],"the":[28,43,47,55,83,90,108,111,117,130,138,149],"effect":[29],"of":[30,46,54,75,85,110],"layer":[32,157],"thickness":[33],"on":[34],"film":[35],"was":[37,127],"discussed.":[38],"X-ray":[39],"diffraction":[40],"(XRD)":[41],"confirmed":[42],"amorphous":[44],"nature":[45],"under":[49],"study.":[50],"small":[52],"values":[53,133,141],"roughness":[56],"(7.04":[57],"nm,":[58],"7,2":[59],"nm)":[60],"obtained":[61,106],"from":[62,82,129,137],"atomic":[63],"force":[64],"microscopy":[65],"(AFM)":[66],"measurements":[67],"show":[68,147],"relatively":[69],"smooth":[70],"surfaces,":[71],"aGe-Al":[76],"determined":[81],"analysis":[84,109],"measured":[86],"spectroscopic":[87],"ellipsometry":[88],"over":[89],"wavelength":[91],"range":[92],"300-1000":[93],"nm":[94],"at":[95],"room":[96],"temperature.":[97],"refractive":[99],"index,":[100],"extinction":[101],"coefficient":[102,132,140],"ellipsometric":[112],"spectra":[113],"through":[114],"Cauchy,":[115],"Taue-Lorenz":[118],"models,":[119],"have":[120],"been":[121],"calculated.":[122],"energy":[125],"gap":[126,152],"estimated":[128,136],"absorption":[131,139],"which":[134],"using":[142],"Tauc's":[143],"procedure":[144],"Our":[145],"results":[146],"that":[148],"band":[151],"decreases":[153],"increasing":[155],"thickness.":[158]},"counts_by_year":[],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2026-10-03T00:00:00"}