{"id":"https://openalex.org/W1974064236","doi":"https://doi.org/10.1063/1.474255","title":"Dynamics of polyisoprene in star block copolymers confined in microstructures: A dielectric spectroscopy study","display_name":"Dynamics of polyisoprene in star block copolymers confined in microstructures: A dielectric spectroscopy study","publication_year":1997,"publication_date":"1997-10-08","ids":{"openalex":"https://openalex.org/W1974064236","doi":"https://doi.org/10.1063/1.474255","mag":"1974064236"},"language":"en","primary_location":{"id":"doi:10.1063/1.474255","doi":"https://doi.org/10.1063/1.474255","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.474255","pdf_url":null,"source":{"id":"https://openalex.org/S77047749","display_name":"The Journal of Chemical Physics","issn_l":"0021-9606","issn":["0021-9606","1089-7690","1520-9032"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Chemical Physics","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035475789","display_name":"George A. Floudas","orcid":"https://orcid.org/0000-0003-4629-3817","observed_orcids":["https://orcid.org/0000-0003-4629-3817"]},"institutions":[{"id":"https://openalex.org/I4210127348","display_name":"FORTH Institute of Electronic Structure and Laser","ror":"https://ror.org/02a3mhk13","country_code":"GR","type":"facility","lineage":["https://openalex.org/I4210127348","https://openalex.org/I8901234"]},{"id":"https://openalex.org/I8901234","display_name":"Foundation for Research and Technology Hellas","ror":"https://ror.org/052rphn09","country_code":"GR","type":"facility","lineage":["https://openalex.org/I8901234"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"G. Floudas","raw_affiliation_strings":["Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL), P.O. Box 1527, 711 10 Heraklion, Crete, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL), P.O. Box 1527, 711 10 Heraklion, Crete, Greece","institution_ids":["https://openalex.org/I4210127348","https://openalex.org/I8901234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087428920","display_name":"Stella Paraskeva","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]},{"id":"https://openalex.org/I4210127348","display_name":"FORTH Institute of Electronic Structure and Laser","ror":"https://ror.org/02a3mhk13","country_code":"GR","type":"facility","lineage":["https://openalex.org/I4210127348","https://openalex.org/I8901234"]},{"id":"https://openalex.org/I8901234","display_name":"Foundation for Research and Technology Hellas","ror":"https://ror.org/052rphn09","country_code":"GR","type":"facility","lineage":["https://openalex.org/I8901234"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"S. Paraskeva","raw_affiliation_strings":["Department of Chemistry, University of Athens, Panepistimiopolis, Zografou 15771 Athens, Greece","Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL) P.O. Box 1527, 711 10 Heraklion, Crete, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, University of Athens, Panepistimiopolis, Zografou 15771 Athens, Greece","institution_ids":["https://openalex.org/I200777214"]},{"raw_affiliation_string":"Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL) P.O. Box 1527, 711 10 Heraklion, Crete, Greece","institution_ids":["https://openalex.org/I4210127348","https://openalex.org/I8901234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069464088","display_name":"Nikos Hadjichristidis","orcid":"https://orcid.org/0000-0003-1442-1714","observed_orcids":["https://orcid.org/0000-0003-1442-1714"]},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]},{"id":"https://openalex.org/I4210127348","display_name":"FORTH Institute of Electronic Structure and Laser","ror":"https://ror.org/02a3mhk13","country_code":"GR","type":"facility","lineage":["https://openalex.org/I4210127348","https://openalex.org/I8901234"]},{"id":"https://openalex.org/I8901234","display_name":"Foundation for Research and Technology Hellas","ror":"https://ror.org/052rphn09","country_code":"GR","type":"facility","lineage":["https://openalex.org/I8901234"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"N. Hadjichristidis","raw_affiliation_strings":["Department of Chemistry, University of Athens, Panepistimiopolis, Zografou 15771 Athens, Greece","Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL) P.O. Box 1527, 711 10 Heraklion, Crete, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, University of Athens, Panepistimiopolis, Zografou 15771 Athens, Greece","institution_ids":["https://openalex.org/I200777214"]},{"raw_affiliation_string":"Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL) P.O. Box 1527, 711 10 Heraklion, Crete, Greece","institution_ids":["https://openalex.org/I4210127348","https://openalex.org/I8901234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042702779","display_name":"George Fytas","orcid":"https://orcid.org/0000-0003-2504-6374","observed_orcids":["https://orcid.org/0000-0003-2504-6374","https://orcid.org/0000-0001-5984-5057"]},"institutions":[{"id":"https://openalex.org/I4210127348","display_name":"FORTH Institute of Electronic Structure and Laser","ror":"https://ror.org/02a3mhk13","country_code":"GR","type":"facility","lineage":["https://openalex.org/I4210127348","https://openalex.org/I8901234"]},{"id":"https://openalex.org/I8901234","display_name":"Foundation for Research and Technology Hellas","ror":"https://ror.org/052rphn09","country_code":"GR","type":"facility","lineage":["https://openalex.org/I8901234"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"G. Fytas","raw_affiliation_strings":["Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL), P.O. Box 1527, 711 10 Heraklion, Crete, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL), P.O. Box 1527, 711 10 Heraklion, Crete, Greece","institution_ids":["https://openalex.org/I4210127348","https://openalex.org/I8901234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000613784","display_name":"Benjamin Chu","orcid":"https://orcid.org/0000-0003-2775-2336","observed_orcids":["https://orcid.org/0000-0003-2775-2336"]},"institutions":[{"id":"https://openalex.org/I2801410363","display_name":"Stony Brook University Hospital","ror":"https://ror.org/05wyq9e07","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2801410363","https://openalex.org/I4210102711","https://openalex.org/I59553526"]},{"id":"https://openalex.org/I59553526","display_name":"Stony Brook University","ror":"https://ror.org/05qghxh33","country_code":"US","type":"education","lineage":["https://openalex.org/I59553526"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"B. Chu","raw_affiliation_strings":["Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400","institution_ids":["https://openalex.org/I2801410363","https://openalex.org/I59553526"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002393537","display_name":"Alexander N. Semenov","orcid":"https://orcid.org/0000-0001-5830-9957","observed_orcids":["https://orcid.org/0000-0001-5830-9957","https://orcid.org/0000-0001-9732-5749"]},"institutions":[{"id":"https://openalex.org/I130828816","display_name":"University of Leeds","ror":"https://ror.org/024mrxd33","country_code":"GB","type":"education","lineage":["https://openalex.org/I130828816"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A. N. Semenov","raw_affiliation_strings":["Department of Applied Mathematics, University of Leeds, Leeds LS2 9JT, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, University of Leeds, Leeds LS2 9JT, United Kingdom","institution_ids":["https://openalex.org/I130828816"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":1.6317,"has_fulltext":false,"cited_by_count":43,"citation_normalized_percentile":{"value":0.81300864,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"107","issue":"14","first_page":"5502","last_page":"5509"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11471","display_name":"Block Copolymer Self-Assembly","score":0.9585000276565552,"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/T11471","display_name":"Block Copolymer Self-Assembly","score":0.9585000276565552,"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/T10474","display_name":"Material Dynamics and Properties","score":0.03440000116825104,"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/T10405","display_name":"Advanced Polymer Synthesis and Characterization","score":0.0019000000320374966,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/polyisoprene","display_name":"polyisoprene","score":0.972000002861023},{"id":"https://openalex.org/keywords/star-block-copolymers","display_name":"star block copolymers","score":0.9390000104904175},{"id":"https://openalex.org/keywords/polystyrene","display_name":"polystyrene","score":0.7630000114440918},{"id":"https://openalex.org/keywords/microphase-separation","display_name":"microphase separation","score":0.8080000281333923},{"id":"https://openalex.org/keywords/order-disorder-transition","display_name":"order-disorder transition","score":0.8989999890327454},{"id":"https://openalex.org/keywords/spatial-confinement","display_name":"spatial confinement","score":0.7009999752044678},{"id":"https://openalex.org/keywords/segmental-dynamics","display_name":"segmental motion","score":0.640999972820282},{"id":"https://openalex.org/keywords/chain-mobility","display_name":"chain mobility","score":0.5170000195503235},{"id":"https://openalex.org/keywords/dielectric-relaxation","display_name":"dielectric relaxation","score":0.6679999828338623},{"id":"https://openalex.org/keywords/lamellar-morphology","display_name":"lamellar morphology","score":0.5099999904632568},{"id":"https://openalex.org/keywords/cylindrical-morphology","display_name":"cylindrical morphology","score":0.531000018119812}],"concepts":[{"id":"https://openalex.org/C77851909","wikidata":"https://www.wikidata.org/wiki/Q6481705","display_name":"Lamellar structure","level":2,"score":0.7507001757621765},{"id":"https://openalex.org/C131888329","wikidata":"https://www.wikidata.org/wiki/Q3027679","display_name":"Small-angle X-ray scattering","level":3,"score":0.7449536323547363},{"id":"https://openalex.org/C2777922577","wikidata":"https://www.wikidata.org/wiki/Q146243","display_name":"Polystyrene","level":3,"score":0.7354379296302795},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7102675437927246},{"id":"https://openalex.org/C15920480","wikidata":"https://www.wikidata.org/wiki/Q421281","display_name":"Copolymer","level":3,"score":0.6054657697677612},{"id":"https://openalex.org/C122865956","wikidata":"https://www.wikidata.org/wiki/Q825643","display_name":"Glass transition","level":3,"score":0.5050583481788635},{"id":"https://openalex.org/C159467904","wikidata":"https://www.wikidata.org/wiki/Q2001702","display_name":"Chemical physics","level":1,"score":0.501370906829834},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.47860974073410034},{"id":"https://openalex.org/C65590680","wikidata":"https://www.wikidata.org/wiki/Q909482","display_name":"Volume fraction","level":2,"score":0.44727474451065063},{"id":"https://openalex.org/C133386390","wikidata":"https://www.wikidata.org/wiki/Q184996","display_name":"Dielectric","level":2,"score":0.43827542662620544},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.4376380741596222},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.4366513788700104},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.4354989230632782},{"id":"https://openalex.org/C14631669","wikidata":"https://www.wikidata.org/wiki/Q896108","display_name":"Dynamic light scattering","level":3,"score":0.43065470457077026},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.3345843553543091},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.21516162157058716},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.18562808632850647},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.17247897386550903},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.15620538592338562},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10541278123855591},{"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/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C155672457","wikidata":"https://www.wikidata.org/wiki/Q61231","display_name":"Nanoparticle","level":2,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1063/1.474255","doi":"https://doi.org/10.1063/1.474255","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.474255","pdf_url":null,"source":{"id":"https://openalex.org/S77047749","display_name":"The Journal of Chemical Physics","issn_l":"0021-9606","issn":["0021-9606","1089-7690","1520-9032"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Chemical Physics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1967120320","https://openalex.org/W1975257178","https://openalex.org/W1978093083","https://openalex.org/W1978271515","https://openalex.org/W1980300766","https://openalex.org/W1981575070","https://openalex.org/W1982674029","https://openalex.org/W1993964854","https://openalex.org/W2012295640","https://openalex.org/W2019035948","https://openalex.org/W2019973105","https://openalex.org/W2023144493","https://openalex.org/W2025290697","https://openalex.org/W2029406063","https://openalex.org/W2030517666","https://openalex.org/W2034501059","https://openalex.org/W2036704811","https://openalex.org/W2039496719","https://openalex.org/W2041427207","https://openalex.org/W2044197624","https://openalex.org/W2045518954","https://openalex.org/W2052717602","https://openalex.org/W2058992772","https://openalex.org/W2066078789","https://openalex.org/W2068863639","https://openalex.org/W2074933842","https://openalex.org/W2076047144","https://openalex.org/W2084484487","https://openalex.org/W2087452473","https://openalex.org/W2113497166","https://openalex.org/W2176601295"],"related_works":["https://openalex.org/W2084484487","https://openalex.org/W2043127266","https://openalex.org/W1996388381","https://openalex.org/W4200520889","https://openalex.org/W4389349007","https://openalex.org/W2004423202","https://openalex.org/W2076133024","https://openalex.org/W2328578205","https://openalex.org/W1995904732","https://openalex.org/W2884862118"],"abstract_inverted_index":{"Dielectric":[0],"spectroscopy":[1],"has":[2,41],"been":[3,42],"employed":[4],"to":[5,116,158],"study":[6],"selectively":[7],"the":[8,30,60,63,69,77,89,98,111,117,121,127,130,138,145,149,162,172,177],"local":[9,118],"and":[10,26,32,46,62,105,129,148,156],"global":[11],"dynamics":[12,124],"of":[13,91,171,176],"polyisoprene":[14,102],"(PI)":[15],"in":[16,110],"three":[17,112],"microphase":[18],"separated":[19],"star":[20,163,179],"diblock":[21],"copolymers":[22],"(SI)4,":[23],"where":[24,68,95],"PI":[25,71,173],"polystyrene":[27,64,79,99],"(PS)":[28],"form":[29],"core":[31],"corona,":[33],"respectively.":[34],"The":[35,81,141],"thermally":[36],"induced":[37],"order-to-disorder":[38],"transition":[39,66],"(ODT)":[40],"identified":[43],"by":[44,76,86,137,167],"rheology":[45],"small-angle":[47],"x-ray":[48],"scattering":[49],"(SAXS).":[50],"All":[51],"dielectric":[52],"measurements":[53],"were":[54],"made":[55],"at":[56],"temperatures":[57],"well":[58],"below":[59],"ODT":[61],"glass":[65],"temperatures,":[67],"four":[70],"chain":[72,122,151],"ends":[73],"are":[74,134,144,154],"tethered":[75],"glassy":[78],"domains.":[80],"ordered":[82,178],"state":[83],"morphology,":[84],"studied":[85],"SAXS,":[87],"revealed":[88],"formation":[90],"PS":[92],"spheres":[93],"(fPS=0.25,":[94],"fPS":[96],"is":[97,165],"volume":[100],"fraction),":[101],"cylinders":[103],"(fPS=0.68),":[104],"a":[106],"lamellar":[107],"structure":[108],"(fPS=0.41)":[109],"copolymers.":[113],"In":[114],"contrast":[115],"segmental":[119],"motions,":[120],"orientational":[123],"associated":[125],"with":[126],"amplitude":[128,147],"characteristic":[131],"relaxation":[132],"time":[133],"strongly":[135],"influenced":[136],"spatial":[139],"confinement.":[140],"main":[142],"effects":[143,170],"suppressed":[146],"enhanced":[150],"mobility,":[152],"which":[153],"predicted":[155],"found":[157],"be":[159],"stronger":[160],"if":[161],"topology":[164],"accompanied":[166],"topological":[168],"(entanglement)":[169],"block,":[174],"irrespective":[175],"morphology.":[180]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-13T10:08:12.033832","created_date":"2016-06-24T00:00:00"}