{"id":"https://openalex.org/W7225623405","doi":"https://doi.org/10.1080/00223131.2026.2755579","title":"Diffusion behavior of Np(V) coexisting as multispecies in compacted Na-montmorillonite","display_name":"Diffusion behavior of Np(V) coexisting as multispecies in compacted Na-montmorillonite","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7225623405","doi":"https://doi.org/10.1080/00223131.2026.2755579"},"language":"en","primary_location":{"id":"doi:10.1080/00223131.2026.2755579","doi":"https://doi.org/10.1080/00223131.2026.2755579","is_oa":true,"landing_page_url":"https://doi.org/10.1080/00223131.2026.2755579","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/00223131.2026.2755579?needAccess=true","source":{"id":"https://openalex.org/S140210197","display_name":"Journal of Nuclear Science and Technology","issn_l":"0022-3131","issn":["0022-3131","1881-1248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Nuclear Science and Technology","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://www.tandfonline.com/doi/pdf/10.1080/00223131.2026.2755579?needAccess=true","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005111530","display_name":"Yuta Fukatsu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I117197279","display_name":"Japan Atomic Energy Agency","ror":"https://ror.org/05nf86y53","country_code":"JP","type":"government","lineage":["https://openalex.org/I117197279"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yuta Fukatsu","raw_affiliation_strings":["Japan Atomic Energy Agency"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Japan Atomic Energy Agency","institution_ids":["https://openalex.org/I117197279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103046664","display_name":"Yuki Sugiura","orcid":"https://orcid.org/0000-0003-1627-0737","observed_orcids":["https://orcid.org/0000-0003-1627-0737"]},"institutions":[{"id":"https://openalex.org/I117197279","display_name":"Japan Atomic Energy Agency","ror":"https://ror.org/05nf86y53","country_code":"JP","type":"government","lineage":["https://openalex.org/I117197279"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuki Sugiura","raw_affiliation_strings":["Japan Atomic Energy Agency"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Japan Atomic Energy Agency","institution_ids":["https://openalex.org/I117197279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072241130","display_name":"Kenji Yotsuji","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I117197279","display_name":"Japan Atomic Energy Agency","ror":"https://ror.org/05nf86y53","country_code":"JP","type":"government","lineage":["https://openalex.org/I117197279"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kenji Yotsuji","raw_affiliation_strings":["Japan Atomic Energy Agency"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Japan Atomic Energy Agency","institution_ids":["https://openalex.org/I117197279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073239414","display_name":"Takamitsu Ishidera","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I117197279","display_name":"Japan Atomic Energy Agency","ror":"https://ror.org/05nf86y53","country_code":"JP","type":"government","lineage":["https://openalex.org/I117197279"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takamitsu Ishidera","raw_affiliation_strings":["Japan Atomic Energy Agency"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Japan Atomic Energy Agency","institution_ids":["https://openalex.org/I117197279"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057809722","display_name":"Yukio Tachi","orcid":"https://orcid.org/0000-0001-7224-2103","observed_orcids":["https://orcid.org/0000-0001-7224-2103"]},"institutions":[{"id":"https://openalex.org/I117197279","display_name":"Japan Atomic Energy Agency","ror":"https://ror.org/05nf86y53","country_code":"JP","type":"government","lineage":["https://openalex.org/I117197279"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yukio Tachi","raw_affiliation_strings":["Japan Atomic Energy Agency"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Japan Atomic Energy Agency","institution_ids":["https://openalex.org/I117197279"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5005111530"],"corresponding_institution_ids":["https://openalex.org/I117197279"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10973","display_name":"Radioactive element chemistry and processing","score":0.9814000129699707,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10973","display_name":"Radioactive element chemistry and processing","score":0.9814000129699707,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13923","display_name":"Nuclear and radioactivity studies","score":0.008500000461935997,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T10894","display_name":"Groundwater flow and contamination studies","score":0.002300000051036477,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/neptunium-v","display_name":"neptunium(V)","score":0.8330000042915344},{"id":"https://openalex.org/keywords/compacted-bentonite","display_name":"compacted bentonite","score":0.8569999933242798},{"id":"https://openalex.org/keywords/sodium-montmorillonite","display_name":"sodium montmorillonite","score":0.9490000009536743},{"id":"https://openalex.org/keywords/carbonate-speciation","display_name":"carbonate speciation","score":0.8889999985694885},{"id":"https://openalex.org/keywords/npo2","display_name":"neptunium dioxide","score":0.753000020980835},{"id":"https://openalex.org/keywords/effective-diffusion-coefficient","display_name":"effective diffusion coefficient","score":0.8600000143051147},{"id":"https://openalex.org/keywords/radionuclide-transport","display_name":"radionuclide transport","score":0.8709999918937683},{"id":"https://openalex.org/keywords/geological-disposal","display_name":"geological disposal","score":0.796999990940094},{"id":"https://openalex.org/keywords/phreeqc-simulation","display_name":"PHREEQC simulation","score":0.550000011920929}],"concepts":[{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.8529000282287598},{"id":"https://openalex.org/C2780659211","wikidata":"https://www.wikidata.org/wiki/Q181699","display_name":"Carbonate","level":2,"score":0.7585999965667725},{"id":"https://openalex.org/C58445606","wikidata":"https://www.wikidata.org/wiki/Q898533","display_name":"Sorption","level":3,"score":0.6890000104904175},{"id":"https://openalex.org/C158973077","wikidata":"https://www.wikidata.org/wiki/Q192900","display_name":"Radionuclide","level":2,"score":0.6657000184059143},{"id":"https://openalex.org/C184651966","wikidata":"https://www.wikidata.org/wiki/Q906356","display_name":"Aqueous solution","level":2,"score":0.652899980545044},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5615000128746033},{"id":"https://openalex.org/C2777979977","wikidata":"https://www.wikidata.org/wiki/Q380149","display_name":"Bentonite","level":2,"score":0.46709999442100525},{"id":"https://openalex.org/C70816921","wikidata":"https://www.wikidata.org/wiki/Q258852","display_name":"Effective diffusion coefficient","level":3,"score":0.36149999499320984},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.33009999990463257},{"id":"https://openalex.org/C164304813","wikidata":"https://www.wikidata.org/wiki/Q25276","display_name":"Isotope","level":2,"score":0.3158999979496002},{"id":"https://openalex.org/C192552737","wikidata":"https://www.wikidata.org/wiki/Q898797","display_name":"Partition coefficient","level":2,"score":0.3075000047683716},{"id":"https://openalex.org/C164602753","wikidata":"https://www.wikidata.org/wiki/Q567544","display_name":"Anomalous diffusion","level":3,"score":0.29820001125335693},{"id":"https://openalex.org/C22117777","wikidata":"https://www.wikidata.org/wiki/Q17148629","display_name":"Stable isotope ratio","level":2,"score":0.28949999809265137},{"id":"https://openalex.org/C57736034","wikidata":"https://www.wikidata.org/wiki/Q17104113","display_name":"Molecular diffusion","level":3,"score":0.28439998626708984},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.2842000126838684},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.2759000062942505},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.2653999924659729},{"id":"https://openalex.org/C177322064","wikidata":"https://www.wikidata.org/wiki/Q750955","display_name":"Radiochemistry","level":1,"score":0.2614000141620636},{"id":"https://openalex.org/C89690796","wikidata":"https://www.wikidata.org/wiki/Q185252","display_name":"Radioactive waste","level":2,"score":0.25270000100135803}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/00223131.2026.2755579","doi":"https://doi.org/10.1080/00223131.2026.2755579","is_oa":true,"landing_page_url":"https://doi.org/10.1080/00223131.2026.2755579","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/00223131.2026.2755579?needAccess=true","source":{"id":"https://openalex.org/S140210197","display_name":"Journal of Nuclear Science and Technology","issn_l":"0022-3131","issn":["0022-3131","1881-1248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Nuclear Science and Technology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1080/00223131.2026.2755579","doi":"https://doi.org/10.1080/00223131.2026.2755579","is_oa":true,"landing_page_url":"https://doi.org/10.1080/00223131.2026.2755579","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/00223131.2026.2755579?needAccess=true","source":{"id":"https://openalex.org/S140210197","display_name":"Journal of Nuclear Science and Technology","issn_l":"0022-3131","issn":["0022-3131","1881-1248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Nuclear Science and Technology","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/W7225623405.pdf","grobid_xml":"https://content.openalex.org/works/W7225623405.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W247119180","https://openalex.org/W639844833","https://openalex.org/W1251722559","https://openalex.org/W1598136222","https://openalex.org/W1967917076","https://openalex.org/W1969715607","https://openalex.org/W1974582612","https://openalex.org/W1981825232","https://openalex.org/W1987407450","https://openalex.org/W1989679479","https://openalex.org/W2001083612","https://openalex.org/W2010986458","https://openalex.org/W2014986364","https://openalex.org/W2021960237","https://openalex.org/W2028123089","https://openalex.org/W2030527564","https://openalex.org/W2038356331","https://openalex.org/W2045709547","https://openalex.org/W2058934931","https://openalex.org/W2078129731","https://openalex.org/W2080834135","https://openalex.org/W2164066306","https://openalex.org/W2202840128","https://openalex.org/W2567429339","https://openalex.org/W2947641945","https://openalex.org/W3172312999","https://openalex.org/W3198344305","https://openalex.org/W4223989957","https://openalex.org/W4281698849","https://openalex.org/W4306158089","https://openalex.org/W4413031500"],"related_works":["https://openalex.org/W1987407450","https://openalex.org/W4210366825","https://openalex.org/W2793149012","https://openalex.org/W3130603091","https://openalex.org/W2084753290","https://openalex.org/W2300971606","https://openalex.org/W2058934931","https://openalex.org/W247119180","https://openalex.org/W2024258951","https://openalex.org/W7044776856"],"abstract_inverted_index":{"The":[0,45,75],"diffusion":[1,19,53,59,67,78,101,138,161],"of":[2,18,51,92,108,129,148,158],"multivalent":[3,159],"radionuclides":[4],"in":[5],"compacted":[6],"bentonite":[7],"is":[8],"strongly":[9],"affected":[10],"by":[11],"aqueous":[12,110],"speciation,":[13],"which":[14],"complicates":[15],"the":[16,85,89,97,105,118,123,130,145,156],"elucidation":[17],"behavior.":[20],"In":[21],"this":[22],"study,":[23],"through-diffusion":[24],"experiments":[25],"were":[26],"conducted":[27],"on":[28,54,144],"237Np(V)":[29,52],"at":[30,61,71],"controlled":[31],"carbonate":[32,55,63,73],"concentrations":[33,64],"(5":[34],"\u00d7":[35,37],"10\u22124\u20135":[36],"10\u22121":[38],"mol":[39],"L\u22121)":[40],"to":[41,155,166],"investigate":[42],"multispecies":[43,137],"diffusion.":[44],"results":[46],"show":[47],"a":[48],"clear":[49],"dependence":[50],"concentration,":[56],"with":[57,84],"cation-dominated":[58],"(NpO2+)":[60],"low":[62],"and":[65,69,100,104,151],"anion-dominated":[66],"(NpO2CO3\u2212":[68],"NpO2(CO3)23\u2212)":[70],"high":[72],"concentrations.":[74],"experimental":[76,131],"effective":[77],"coefficient":[79],"(De)":[80],"showed":[81],"reasonable":[82],"agreement":[83],"values":[86],"calculated":[87],"using":[88,117],"weighted":[90],"average":[91],"species-specific":[93,119,152],"De":[94,120],"derived":[95,121],"from":[96,122],"integrated":[98],"sorption":[99],"(ISD)":[102],"model":[103,125],"relative":[106,146],"abundance":[107],"coexisting":[109],"Np(V)":[111],"species.":[112],"Furthermore,":[113],"PHREEQC":[114],"transport":[115],"simulations":[116],"ISD":[124],"reproduced":[126],"some":[127],"features":[128],"observations.":[132],"These":[133],"findings":[134],"suggest":[135],"that":[136],"can":[139],"be":[140],"quantitatively":[141],"evaluated":[142],"based":[143],"abundances":[147],"individual":[149],"species":[150],"De,":[153],"contributing":[154],"parameterization":[157],"radionuclide":[160],"under":[162],"geochemical":[163],"conditions":[164],"relevant":[165],"geological":[167],"disposal.":[168]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-10T00:00:00"}
