{"id":"https://openalex.org/W7223064463","doi":"https://doi.org/10.48550/arxiv.2610.26715","title":"Proximity Transient Absorption in van der Waals Heterostructures","display_name":"Proximity Transient Absorption in van der Waals Heterostructures","publication_year":2026,"publication_date":"2026-10-19","ids":{"openalex":"https://openalex.org/W7223064463","doi":"https://doi.org/10.48550/arxiv.2610.26715"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.26715","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.26715","pdf_url":"https://arxiv.org/pdf/2610.26715","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"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2610.26715","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007845176","display_name":"Neema Rafizadeh","orcid":"https://orcid.org/0009-0001-7807-9041","observed_orcids":["https://orcid.org/0009-0001-7807-9041"]},"institutions":[{"id":"https://openalex.org/I146416000","display_name":"University of Kansas","ror":"https://ror.org/001tmjg57","country_code":"US","type":"education","lineage":["https://openalex.org/I146416000"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rafizadeh, Neema","raw_affiliation_strings":["Department of Physics and Astronomy , The University of Kansas , Lawrence , Kansas 66045 , United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics and Astronomy , The University of Kansas , Lawrence , Kansas 66045 , United States","institution_ids":["https://openalex.org/I146416000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137667767","display_name":"Ting Zheng","orcid":"https://orcid.org/0000-0003-0827-2361","observed_orcids":["https://orcid.org/0000-0003-0827-2361"]},"institutions":[{"id":"https://openalex.org/I146416000","display_name":"University of Kansas","ror":"https://ror.org/001tmjg57","country_code":"US","type":"education","lineage":["https://openalex.org/I146416000"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zheng, Ting","raw_affiliation_strings":["Department of Physics and Astronomy , The University of Kansas , Lawrence , Kansas 66045 , United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics and Astronomy , The University of Kansas , Lawrence , Kansas 66045 , United States","institution_ids":["https://openalex.org/I146416000"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5159114645","display_name":"Hui Zhao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I146416000","display_name":"University of Kansas","ror":"https://ror.org/001tmjg57","country_code":"US","type":"education","lineage":["https://openalex.org/I146416000"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhao, Hui","raw_affiliation_strings":["Department of Physics and Astronomy , The University of Kansas , Lawrence , Kansas 66045 , United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics and Astronomy , The University of Kansas , Lawrence , Kansas 66045 , United States","institution_ids":["https://openalex.org/I146416000"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I146416000"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"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/T10275","display_name":"2D Materials and Applications","score":0.9965999722480774,"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/T10275","display_name":"2D Materials and Applications","score":0.9965999722480774,"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/T10083","display_name":"Graphene research and applications","score":0.002099999925121665,"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/T10566","display_name":"Laser-Matter Interactions and Applications","score":0.00039999998989515007,"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/van-der-waals-heterostructures","display_name":"van der Waals heterostructures","score":0.9869999885559082},{"id":"https://openalex.org/keywords/coulomb-screening","display_name":"Coulomb screening","score":0.8019999861717224},{"id":"https://openalex.org/keywords/ultrafast-carrier-dynamics","display_name":"ultrafast carrier dynamics","score":0.8040000200271606}],"concepts":[{"id":"https://openalex.org/C95503338","wikidata":"https://www.wikidata.org/wiki/Q186105","display_name":"Ultrafast laser spectroscopy","level":3,"score":0.7872999906539917},{"id":"https://openalex.org/C17729963","wikidata":"https://www.wikidata.org/wiki/Q858289","display_name":"Exciton","level":2,"score":0.6194999814033508},{"id":"https://openalex.org/C178596936","wikidata":"https://www.wikidata.org/wiki/Q844471","display_name":"Ultrashort pulse","level":3,"score":0.6154000163078308},{"id":"https://openalex.org/C126061179","wikidata":"https://www.wikidata.org/wiki/Q189627","display_name":"van der Waals force","level":3,"score":0.6079999804496765},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5468999743461609},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.5440000295639038},{"id":"https://openalex.org/C2780799671","wikidata":"https://www.wikidata.org/wiki/Q17087362","display_name":"Transient (computer programming)","level":2,"score":0.5382000207901001},{"id":"https://openalex.org/C79794668","wikidata":"https://www.wikidata.org/wiki/Q1616270","display_name":"Heterojunction","level":2,"score":0.5315999984741211},{"id":"https://openalex.org/C7070889","wikidata":"https://www.wikidata.org/wiki/Q902488","display_name":"Monolayer","level":2,"score":0.5206000208854675},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5020999908447266},{"id":"https://openalex.org/C30080830","wikidata":"https://www.wikidata.org/wiki/Q169917","display_name":"Graphene","level":2,"score":0.49900001287460327},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.44940000772476196},{"id":"https://openalex.org/C41999313","wikidata":"https://www.wikidata.org/wiki/Q489328","display_name":"Molecular physics","level":1,"score":0.44519999623298645},{"id":"https://openalex.org/C95930237","wikidata":"https://www.wikidata.org/wiki/Q14506045","display_name":"Optical phenomena","level":2,"score":0.42899999022483826},{"id":"https://openalex.org/C119824511","wikidata":"https://www.wikidata.org/wiki/Q13553575","display_name":"Absorption spectroscopy","level":2,"score":0.38609999418258667},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.3521000146865845},{"id":"https://openalex.org/C167735695","wikidata":"https://www.wikidata.org/wiki/Q1777507","display_name":"Femtosecond","level":3,"score":0.3167000114917755},{"id":"https://openalex.org/C85761212","wikidata":"https://www.wikidata.org/wiki/Q1974593","display_name":"Transient response","level":2,"score":0.29589998722076416},{"id":"https://openalex.org/C139210041","wikidata":"https://www.wikidata.org/wiki/Q2145840","display_name":"Resonance (particle physics)","level":2,"score":0.29010000824928284},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.2881999909877777},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2870999872684479},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.2809000015258789},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.27140000462532043},{"id":"https://openalex.org/C110806042","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Coherent spectroscopy","level":5,"score":0.2709999978542328},{"id":"https://openalex.org/C19067145","wikidata":"https://www.wikidata.org/wiki/Q1137203","display_name":"Thin film","level":2,"score":0.26989999413490295},{"id":"https://openalex.org/C9342510","wikidata":"https://www.wikidata.org/wiki/Q25406","display_name":"Coulomb","level":3,"score":0.2671000063419342},{"id":"https://openalex.org/C104232198","wikidata":"https://www.wikidata.org/wiki/Q865807","display_name":"Charge carrier","level":2,"score":0.2623000144958496},{"id":"https://openalex.org/C159467904","wikidata":"https://www.wikidata.org/wiki/Q2001702","display_name":"Chemical physics","level":1,"score":0.2606000006198883},{"id":"https://openalex.org/C124657808","wikidata":"https://www.wikidata.org/wiki/Q1133068","display_name":"Quantum dot","level":2,"score":0.25429999828338623}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.26715","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.26715","pdf_url":"https://arxiv.org/pdf/2610.26715","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.2610.26715","doi":"https://doi.org/10.48550/arxiv.2610.26715","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.26715","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":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2610.26715","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.26715","pdf_url":"https://arxiv.org/pdf/2610.26715","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":[{"id":"https://openalex.org/G3535613577","display_name":null,"funder_award_id":"SC0020995","funder_id":"https://openalex.org/F4320337480","funder_display_name":"Basic Energy Sciences"},{"id":"https://openalex.org/G3664085119","display_name":null,"funder_award_id":"DE-SC0020995","funder_id":"https://openalex.org/F4320338483","funder_display_name":"Division of Materials Sciences and Engineering"},{"id":"https://openalex.org/G6606157554","display_name":null,"funder_award_id":"DE\u2010SC0020995","funder_id":"https://openalex.org/F4320337480","funder_display_name":"Basic Energy Sciences"}],"funders":[{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"},{"id":"https://openalex.org/F4320337480","display_name":"Basic Energy Sciences","ror":"https://ror.org/05mg91w61"},{"id":"https://openalex.org/F4320338483","display_name":"Division of Materials Sciences and Engineering","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7223064463.pdf","grobid_xml":"https://content.openalex.org/works/W7223064463.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2886597296","https://openalex.org/W4410418839","https://openalex.org/W3127133143","https://openalex.org/W4220962481","https://openalex.org/W7155754703","https://openalex.org/W2760542620","https://openalex.org/W3137268826","https://openalex.org/W3087081009","https://openalex.org/W4296692587","https://openalex.org/W3043297213"],"abstract_inverted_index":{"Transient":[0],"absorption":[1,37,42],"spectroscopy":[2,189],"is":[3,44],"a":[4,69,79,127,152,184],"widely":[5],"used":[6],"technique":[7],"for":[8,145,155],"investigating":[9],"ultrafast":[10,188],"electronic":[11,124],"dynamics,":[12],"where":[13],"transient":[14,36,41,71,193],"optical":[15,30,50,72,121,194],"signals":[16,195],"are":[17,174],"generally":[18],"interpreted":[19],"as":[20,119],"arising":[21],"from":[22,203],"excitations":[23,204],"within":[24],"the":[25,28,48,53,75,87,103,115],"material":[26,159],"hosting":[27],"probed":[29,49],"transition.":[31],"A":[32],"distinct":[33],"form":[34],"of":[35,78,106,111,123,168,187],"spectroscopy,":[38],"termed":[39],"proximity":[40,140],"(PTA),":[43],"demonstrated,":[45],"in":[46,58,66,126,163,171,196,206],"which":[47],"transition":[51],"and":[52,165,190],"monitored":[54],"photoexcited":[55,64,161],"carriers":[56,65,162],"reside":[57],"different":[59],"materials.":[60],"Using":[61],"graphene/hBN/WS$_2$":[62],"heterostructures,":[63],"graphene":[67,107],"induce":[68],"strong":[70],"response":[73],"at":[74],"excitonic":[76],"resonance":[77],"WS$_2$":[80,116],"monolayer":[81],"through":[82],"Coulomb":[83],"screening,":[84],"even":[85],"when":[86],"two":[88],"layers":[89],"remain":[90],"electronically":[91],"isolated":[92],"by":[93],"an":[94,120],"atomically":[95],"thin":[96],"hBN":[97,136],"spacer.":[98],"The":[99,130],"resulting":[100],"signal":[101,131],"follows":[102],"carrier":[104,169],"dynamics":[105,170],"rather":[108],"than":[109],"those":[110],"WS$_2$,":[112],"demonstrating":[113],"that":[114,173,192],"exciton":[117],"acts":[118],"transducer":[122],"processes":[125],"neighboring":[128],"material.":[129],"decreases":[132],"systematically":[133],"with":[134],"increasing":[135],"thickness,":[137],"confirming":[138],"its":[139],"origin":[141],"while":[142],"remaining":[143],"substantial":[144],"separations":[146],"approaching":[147],"2":[148],"nm.":[149],"PTA":[150,182],"provides":[151],"noncontact":[153],"approach":[154],"optically":[156],"modulating":[157],"one":[158],"using":[160],"another":[164],"enables":[166],"probing":[167],"materials":[172],"otherwise":[175],"difficult":[176],"to":[177],"investigate":[178],"directly.":[179],"More":[180],"broadly,":[181],"establishes":[183],"new":[185],"modality":[186],"reveals":[191],"van":[197],"der":[198],"Waals":[199],"heterostructures":[200],"can":[201],"originate":[202],"residing":[205],"spatially":[207],"separated":[208],"layers.":[209]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-10-21T00:00:00"}