{"id":"https://openalex.org/W3036733952","doi":"https://doi.org/10.35848/1347-4065/ab9d5f","title":"GaN substrates having a low dislocation density and a small off-angle variation prepared by hydride vapor phase epitaxy and maskless-3D","display_name":"GaN substrates having a low dislocation density and a small off-angle variation prepared by hydride vapor phase epitaxy and maskless-3D","publication_year":2020,"publication_date":"2020-06-16","ids":{"openalex":"https://openalex.org/W3036733952","doi":"https://doi.org/10.35848/1347-4065/ab9d5f","mag":"3036733952"},"language":"en","primary_location":{"id":"doi:10.35848/1347-4065/ab9d5f","doi":"https://doi.org/10.35848/1347-4065/ab9d5f","is_oa":true,"landing_page_url":"https://doi.org/10.35848/1347-4065/ab9d5f","pdf_url":"https://iopscience.iop.org/article/10.35848/1347-4065/ab9d5f/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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":"hybrid","oa_url":"https://iopscience.iop.org/article/10.35848/1347-4065/ab9d5f/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079488643","display_name":"Takehiro Yoshida","orcid":"https://orcid.org/0000-0003-4270-7699","observed_orcids":["https://orcid.org/0000-0003-4270-7699"]},"institutions":[{"id":"https://openalex.org/I4405265851","display_name":"Sciocs Company Limited (Japan)","ror":"https://ror.org/05wge4067","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405265851"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Takehiro Yoshida","raw_affiliation_strings":["SCIOCS Company Limited, 880 Isagozawa, Hitachi, Ibaraki 319-1418, Japan"],"raw_orcid":"https://orcid.org/0000-0003-4270-7699","affiliations":[{"raw_affiliation_string":"SCIOCS Company Limited, 880 Isagozawa, Hitachi, Ibaraki 319-1418, Japan","institution_ids":["https://openalex.org/I4405265851"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109191835","display_name":"Masatomo Shibata","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405265851","display_name":"Sciocs Company Limited (Japan)","ror":"https://ror.org/05wge4067","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405265851"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masatomo Shibata","raw_affiliation_strings":["SCIOCS Company Limited, 880 Isagozawa, Hitachi, Ibaraki 319-1418, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SCIOCS Company Limited, 880 Isagozawa, Hitachi, Ibaraki 319-1418, Japan","institution_ids":["https://openalex.org/I4405265851"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5079488643"],"corresponding_institution_ids":["https://openalex.org/I4405265851"],"apc_list":{"value":2210,"currency":"USD","value_usd":2210},"apc_paid":{"value":2210,"currency":"USD","value_usd":2210},"fwci":3.5619,"has_fulltext":true,"cited_by_count":40,"citation_normalized_percentile":{"value":0.92722141,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"59","issue":"7","first_page":"071007","last_page":"071007"},"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":1.0,"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":1.0,"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/T10361","display_name":"Silicon Carbide Semiconductor Technologies","score":9.999999747378752e-05,"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/T12309","display_name":"solar cell performance optimization","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-substrates","display_name":"GaN substrates","score":0.9909999966621399},{"id":"https://openalex.org/keywords/threading-dislocation-density","display_name":"threading dislocation density","score":0.9430000185966492},{"id":"https://openalex.org/keywords/hydride-vapor-phase-epitaxy","display_name":"hydride vapor phase epitaxy","score":0.9269999861717224},{"id":"https://openalex.org/keywords/three-dimensional-growth","display_name":"three-dimensional growth","score":0.8420000076293945},{"id":"https://openalex.org/keywords/two-dimensional-growth","display_name":"two-dimensional growth","score":0.7369999885559082},{"id":"https://openalex.org/keywords/gan-0001","display_name":"GaN(0001)","score":0.8100000023841858}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7709735631942749},{"id":"https://openalex.org/C3018640491","wikidata":"https://www.wikidata.org/wiki/Q255722","display_name":"Vapor phase","level":2,"score":0.7338621616363525},{"id":"https://openalex.org/C110738630","wikidata":"https://www.wikidata.org/wiki/Q1135540","display_name":"Epitaxy","level":3,"score":0.7186607122421265},{"id":"https://openalex.org/C159122135","wikidata":"https://www.wikidata.org/wiki/Q737571","display_name":"Dislocation","level":2,"score":0.6722043752670288},{"id":"https://openalex.org/C2777289219","wikidata":"https://www.wikidata.org/wiki/Q7632154","display_name":"Substrate (aquarium)","level":2,"score":0.6119580268859863},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5835086107254028},{"id":"https://openalex.org/C2777961443","wikidata":"https://www.wikidata.org/wiki/Q106520","display_name":"Hydride","level":3,"score":0.5656889081001282},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.42147254943847656},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.41545620560646057},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.2205045223236084},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.19942978024482727},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.17533564567565918},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.08590129017829895},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"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/C544153396","wikidata":"https://www.wikidata.org/wiki/Q11426","display_name":"Metal","level":2,"score":0.0},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.35848/1347-4065/ab9d5f","doi":"https://doi.org/10.35848/1347-4065/ab9d5f","is_oa":true,"landing_page_url":"https://doi.org/10.35848/1347-4065/ab9d5f","pdf_url":"https://iopscience.iop.org/article/10.35848/1347-4065/ab9d5f/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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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:10.35848/1347-4065/ab9d5f","doi":"https://doi.org/10.35848/1347-4065/ab9d5f","is_oa":true,"landing_page_url":"https://doi.org/10.35848/1347-4065/ab9d5f","pdf_url":"https://iopscience.iop.org/article/10.35848/1347-4065/ab9d5f/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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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/W3036733952.pdf","grobid_xml":"https://content.openalex.org/works/W3036733952.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W1973055149","https://openalex.org/W1981397067","https://openalex.org/W1989702678","https://openalex.org/W2009514271","https://openalex.org/W2013428011","https://openalex.org/W2013435124","https://openalex.org/W2015910722","https://openalex.org/W2019410103","https://openalex.org/W2023116555","https://openalex.org/W2028844105","https://openalex.org/W2031283375","https://openalex.org/W2034402288","https://openalex.org/W2043800207","https://openalex.org/W2044365153","https://openalex.org/W2052564236","https://openalex.org/W2080682693","https://openalex.org/W2086948262","https://openalex.org/W2092971061","https://openalex.org/W2098720070","https://openalex.org/W2127279415","https://openalex.org/W2142362296","https://openalex.org/W2505822383","https://openalex.org/W2622094005","https://openalex.org/W2752681724","https://openalex.org/W2790765972","https://openalex.org/W2792604219","https://openalex.org/W2802215412","https://openalex.org/W2945651051","https://openalex.org/W2995294475"],"related_works":["https://openalex.org/W2745495917","https://openalex.org/W2101610902","https://openalex.org/W2086948262","https://openalex.org/W2609928600","https://openalex.org/W3129585527","https://openalex.org/W2286207609","https://openalex.org/W4392977312","https://openalex.org/W2170341614","https://openalex.org/W2012745223","https://openalex.org/W2515778627"],"abstract_inverted_index":{"Abstract":[0],"To":[1],"produce":[2,107],"high-quality":[3],"GaN":[4,34,50,111],"(0001)":[5,51],"substrates":[6],"with":[7,113],"a":[8,15,22,48,67,108,114],"low":[9],"threading":[10],"dislocation":[11],"density":[12],"(TDD)":[13],"and":[14,64,79,122],"small":[16],"off-angle":[17,124],"variation,":[18],"we":[19],"have":[20],"developed":[21],"technique":[23],"named":[24],"the":[25,69,77,82,87,97,137,145],"\u201cmaskless-3D":[26],"method.\u201d":[27],"This":[28,100],"method,":[29],"which":[30],"is":[31],"applied":[32],"during":[33],"boule":[35],"growth":[36,46,71,92,102,139],"by":[37,57],"hydride":[38],"vapor":[39],"phase":[40],"epitaxy":[41],"(HVPE),":[42],"induces":[43],"three-dimensional":[44],"(3D)":[45],"on":[47,96],"normal":[49],"seed":[52],"substrate.":[53],"We":[54,128],"showed":[55],"that":[56,131],"an":[58,123],"appropriate":[59],"choice":[60],"of":[61,84,116,126],"HVPE":[62],"conditions,":[63],"without":[65],"using":[66],"mask,":[68],"3D":[70,98,138],"shape":[72],"was":[73,93,104,133],"controlled":[74],"to":[75,106,135,147],"eliminate":[76],"c-plane":[78],"thereby":[80,142],"suppress":[81],"propagation":[83],"dislocations":[85],"from":[86],"seed.":[88],"Subsequently,":[89],"two-dimensional":[90],"(2D)":[91],"carried":[94],"out":[95],"structure.":[99],"2D":[101],"area":[103,140],"machined":[105],"2":[109],"inch":[110],"substrate":[112],"TDD":[115,146],"about":[117],"4":[118],"\u00d7":[119],"105":[120],"cm\u22122":[121],"variation":[125],"0.05\u00b0.":[127],"also":[129],"confirmed":[130],"it":[132],"possible":[134],"insert":[136],"twice,":[141],"further":[143],"reducing":[144],"104":[148],"cm\u22122.":[149]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2020-06-25T00:00:00"}
