{"id":"https://openalex.org/W2057790530","doi":"https://doi.org/10.1088/0957-4484/20/40/405401","title":"Large enhancement of the thermoelectric figure of merit in a ridged quantum well","display_name":"Large enhancement of the thermoelectric figure of merit in a ridged quantum well","publication_year":2009,"publication_date":"2009-09-08","ids":{"openalex":"https://openalex.org/W2057790530","doi":"https://doi.org/10.1088/0957-4484/20/40/405401","mag":"2057790530","pmid":"https://pubmed.ncbi.nlm.nih.gov/19738314"},"language":"en","primary_location":{"id":"doi:10.1088/0957-4484/20/40/405401","doi":"https://doi.org/10.1088/0957-4484/20/40/405401","is_oa":false,"landing_page_url":"https://doi.org/10.1088/0957-4484/20/40/405401","pdf_url":null,"source":{"id":"https://openalex.org/S206811868","display_name":"Nanotechnology","issn_l":"0957-4484","issn":["0957-4484","1361-6528"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Nanotechnology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/0905.3525","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053261625","display_name":"Avtandil Tavkhelidze","orcid":"https://orcid.org/0000-0002-8295-6166","observed_orcids":["https://orcid.org/0000-0002-8295-6166"]},"institutions":[{"id":"https://openalex.org/I102808428","display_name":"Tbilisi State University","ror":"https://ror.org/05fd1hd85","country_code":"GE","type":"education","lineage":["https://openalex.org/I102808428"]}],"countries":["GE"],"is_corresponding":true,"raw_author_name":"Avto Tavkhelidze","raw_affiliation_strings":["Tbilisi State University, Chavchavadze Avenue 13, Tbilisi 0179, Georgia. avtotav@gmail.com","Tbilisi State University, Chavchavadze Avenue 13, Tbilisi 0179, Georgia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tbilisi State University, Chavchavadze Avenue 13, Tbilisi 0179, Georgia. avtotav@gmail.com","institution_ids":["https://openalex.org/I102808428"]},{"raw_affiliation_string":"Tbilisi State University, Chavchavadze Avenue 13, Tbilisi 0179, Georgia","institution_ids":["https://openalex.org/I102808428"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5053261625"],"corresponding_institution_ids":["https://openalex.org/I102808428"],"apc_list":{"value":3325,"currency":"USD","value_usd":3325},"apc_paid":null,"fwci":0.9896,"has_fulltext":true,"cited_by_count":36,"citation_normalized_percentile":{"value":0.71928326,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"20","issue":"40","first_page":"405401","last_page":"405401"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","score":0.9976000189781189,"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":0.9976000189781189,"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/T11277","display_name":"Thermal properties of materials","score":0.0005000000237487257,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":0.0003000000142492354,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/thermoelectric-figure-of-merit","display_name":"figure of merit ZT","score":0.9929999709129333},{"id":"https://openalex.org/keywords/seebeck-coefficient","display_name":"Seebeck coefficient","score":0.9729999899864197},{"id":"https://openalex.org/keywords/p-n-junction","display_name":"p-n junction","score":0.9419999718666077},{"id":"https://openalex.org/keywords/chemical-potential","display_name":"chemical potential","score":0.6919999718666077},{"id":"https://openalex.org/keywords/temperature-dependence","display_name":"temperature dependence","score":0.5130000114440918},{"id":"https://openalex.org/keywords/boltzmann-equation","display_name":"Boltzmann equation","score":0.8610000014305115},{"id":"https://openalex.org/keywords/semiconductor-nanostructures","display_name":"semiconductor nanostructures","score":0.5870000123977661}],"concepts":[{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.7905846238136292},{"id":"https://openalex.org/C29169072","wikidata":"https://www.wikidata.org/wiki/Q521166","display_name":"Quantum well","level":3,"score":0.6851118803024292},{"id":"https://openalex.org/C32277403","wikidata":"https://www.wikidata.org/wiki/Q740445","display_name":"Ridge","level":2,"score":0.665998637676239},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6298490762710571},{"id":"https://openalex.org/C130277099","wikidata":"https://www.wikidata.org/wiki/Q3676605","display_name":"Figure of merit","level":2,"score":0.5906816720962524},{"id":"https://openalex.org/C112625512","wikidata":"https://www.wikidata.org/wiki/Q1091448","display_name":"Seebeck coefficient","level":3,"score":0.5771679282188416},{"id":"https://openalex.org/C63024428","wikidata":"https://www.wikidata.org/wiki/Q552456","display_name":"Thermoelectric effect","level":2,"score":0.49157342314720154},{"id":"https://openalex.org/C113603373","wikidata":"https://www.wikidata.org/wiki/Q2362761","display_name":"Wave function","level":2,"score":0.4729318916797638},{"id":"https://openalex.org/C108225325","wikidata":"https://www.wikidata.org/wiki/Q11456","display_name":"Semiconductor","level":2,"score":0.47146040201187134},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3170015811920166},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.18297919631004333},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.1000204086303711},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.08655482530593872},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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}],"mesh":[{"descriptor_ui":"D004581","descriptor_name":"Electronics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008962","descriptor_name":"Models, Theoretical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D036103","descriptor_name":"Nanotechnology","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true}],"locations_count":4,"locations":[{"id":"doi:10.1088/0957-4484/20/40/405401","doi":"https://doi.org/10.1088/0957-4484/20/40/405401","is_oa":false,"landing_page_url":"https://doi.org/10.1088/0957-4484/20/40/405401","pdf_url":null,"source":{"id":"https://openalex.org/S206811868","display_name":"Nanotechnology","issn_l":"0957-4484","issn":["0957-4484","1361-6528"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Nanotechnology","raw_type":"journal-article"},{"id":"pmid:19738314","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/19738314","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Nanotechnology","raw_type":"Journal Article"},{"id":"pmh:oai:arXiv.org:0905.3525","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/0905.3525","pdf_url":"https://arxiv.org/pdf/0905.3525","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.0905.3525","doi":"https://doi.org/10.48550/arxiv.0905.3525","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.0905.3525","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:0905.3525","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/0905.3525","pdf_url":"https://arxiv.org/pdf/0905.3525","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320319918","display_name":"York University","ror":"https://ror.org/05fq50484"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2057790530.pdf","grobid_xml":"https://content.openalex.org/works/W2057790530.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W389868541","https://openalex.org/W1578797711","https://openalex.org/W1969752168","https://openalex.org/W1975659201","https://openalex.org/W1984927586","https://openalex.org/W2003229171","https://openalex.org/W2007220213","https://openalex.org/W2008375944","https://openalex.org/W2014833859","https://openalex.org/W2029505386","https://openalex.org/W2031799634","https://openalex.org/W2036124302","https://openalex.org/W2071317896","https://openalex.org/W2082109914","https://openalex.org/W2085796331","https://openalex.org/W2112859828","https://openalex.org/W2148596493","https://openalex.org/W2151333583","https://openalex.org/W2156661135","https://openalex.org/W2490765418","https://openalex.org/W2761741901","https://openalex.org/W2798977091","https://openalex.org/W3092789717"],"related_works":["https://openalex.org/W2038174300","https://openalex.org/W1531771064","https://openalex.org/W2100824684","https://openalex.org/W2003232253","https://openalex.org/W1972611453","https://openalex.org/W2774636871","https://openalex.org/W2058450075","https://openalex.org/W4414524117","https://openalex.org/W1655192680","https://openalex.org/W1986569652"],"abstract_inverted_index":{"Recently,":[0],"new":[1],"quantum":[2,14,24,38],"features":[3],"have":[4],"been":[5],"observed":[6],"and":[7,35,50,61,92,115],"studied":[8],"in":[9,124,156,180],"the":[10,20,23,32,37,44,66,69,90,93,107,116,125,138,141,146,162,171,181,189],"area":[11],"of":[12,22,47,59,68,75,103,110,127,140,148,177,184],"ridged":[13],"wells":[15],"(RQWs).":[16],"Periodic":[17],"ridges":[18,70,91],"on":[19,31,65,137,145],"surface":[21],"well":[25],"layer":[26,64],"impose":[27],"additional":[28,63],"boundary":[29],"conditions":[30],"electron":[33],"wavefunction":[34],"reduce":[36],"state":[39],"density.":[40],"As":[41],"a":[42,56,72,84,99,153],"result,":[43],"chemical":[45,111],"potential":[46,112],"RQWs":[48,60,129],"increases":[49],"becomes":[51],"ridge-height-dependent.":[52],"Here,":[53],"we":[54],"propose":[55],"system":[57,126],"composed":[58],"an":[62],"top":[67,139],"forming":[71],"periodic":[73],"series":[74],"p+-n+":[76,132],"junctions":[77,133,136],"(or":[78],"metal-n+":[79,135],"junctions).":[80],"In":[81],"such":[82],"systems,":[83],"charge":[85],"depletion":[86],"region":[87],"develops":[88],"inside":[89],"effective":[94],"ridge":[95],"height":[96],"reduces,":[97],"becoming":[98],"rather":[100],"strong":[101],"function":[102],"temperature":[104],"T.":[105],"Consequently,":[106],"T":[108],"dependence":[109],"is":[113],"magnified":[114],"Seebeck":[117],"coefficient":[118],"S":[119,123,157],"increases.":[120],"We":[121],"investigate":[122],"semiconductor":[128],"having":[130],"abrupt":[131],"or":[134],"ridges.":[142],"Analysis":[143],"made":[144],"basis":[147],"Boltzmann":[149],"transport":[150,166],"equations":[151],"shows":[152],"dramatic":[154],"increase":[155,179],"for":[158],"both":[159],"cases.":[160],"At":[161],"same":[163],"time,":[164],"other":[165],"coefficients":[167],"remain":[168],"unaffected":[169],"by":[170],"junctions.":[172],"Calculations":[173],"show":[174],"one":[175],"order":[176],"magnitude":[178],"thermoelectric":[182],"figure":[183],"merit":[185],"ZT":[186],"relative":[187],"to":[188],"bulk":[190],"material.":[191]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":4}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}