{"id":"https://openalex.org/W2005334377","doi":"https://doi.org/10.1063/1.1841078","title":"Electron Spin Resonance of X-Irradiated Single Crystals of Hydroxyurea","display_name":"Electron Spin Resonance of X-Irradiated Single Crystals of Hydroxyurea","publication_year":1967,"publication_date":"1967-04-01","ids":{"openalex":"https://openalex.org/W2005334377","doi":"https://doi.org/10.1063/1.1841078","mag":"2005334377"},"language":"en","primary_location":{"id":"doi:10.1063/1.1841078","doi":"https://doi.org/10.1063/1.1841078","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.1841078","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":["cwts-core","jufo-1","ki-jl-1","medline","norway-1"],"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/A5113806362","display_name":"Howard W. Shields","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I47251452","display_name":"Wake Forest University","ror":"https://ror.org/0207ad724","country_code":"US","type":"education","lineage":["https://openalex.org/I47251452"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Howard W. Shields","raw_affiliation_strings":["Departments of Physics and Chemistry, Wake Forest College, Winston-Salem, North Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Physics and Chemistry, Wake Forest College, Winston-Salem, North Carolina","institution_ids":["https://openalex.org/I47251452"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006199715","display_name":"PHILLIP J. JUN. HAMRICK","orcid":"https://orcid.org/0000-0003-4910-5455","observed_orcids":["https://orcid.org/0000-0003-4910-5455"]},"institutions":[{"id":"https://openalex.org/I47251452","display_name":"Wake Forest University","ror":"https://ror.org/0207ad724","country_code":"US","type":"education","lineage":["https://openalex.org/I47251452"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Phillip J. Hamrick","raw_affiliation_strings":["Departments of Physics and Chemistry, Wake Forest College, Winston-Salem, North Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Physics and Chemistry, Wake Forest College, Winston-Salem, North Carolina","institution_ids":["https://openalex.org/I47251452"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074619137","display_name":"Welby Redwine","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I47251452","display_name":"Wake Forest University","ror":"https://ror.org/0207ad724","country_code":"US","type":"education","lineage":["https://openalex.org/I47251452"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Welby Redwine","raw_affiliation_strings":["Departments of Physics and Chemistry, Wake Forest College, Winston-Salem, North Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Physics and Chemistry, Wake Forest College, Winston-Salem, North Carolina","institution_ids":["https://openalex.org/I47251452"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I47251452"],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":2.8422,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.8840382,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"46","issue":"7","first_page":"2510","last_page":"2514"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12381","display_name":"Electron Spin Resonance Studies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12381","display_name":"Electron Spin Resonance Studies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10612","display_name":"Magnetism in coordination complexes","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"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/T12468","display_name":"Radiation Effects and Dosimetry","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hydroxyurea","display_name":"hydroxyurea","score":0.9980000257492065},{"id":"https://openalex.org/keywords/x-ray-irradiation","display_name":"X-ray irradiation","score":0.8980000019073486},{"id":"https://openalex.org/keywords/radiation-induced-free-radicals","display_name":"radiation-induced radicals","score":0.7049999833106995},{"id":"https://openalex.org/keywords/hyperfine-coupling-constants","display_name":"hyperfine coupling constants","score":0.9459999799728394},{"id":"https://openalex.org/keywords/g-value","display_name":"g-value","score":0.824999988079071},{"id":"https://openalex.org/keywords/single-crystals","display_name":"single crystals","score":0.46700000762939453}],"concepts":[{"id":"https://openalex.org/C186927785","wikidata":"https://www.wikidata.org/wiki/Q374793","display_name":"Unpaired electron","level":3,"score":0.7601929903030396},{"id":"https://openalex.org/C131538251","wikidata":"https://www.wikidata.org/wiki/Q1413102","display_name":"Hyperfine structure","level":2,"score":0.7459266781806946},{"id":"https://openalex.org/C187961010","wikidata":"https://www.wikidata.org/wiki/Q260463","display_name":"Electron paramagnetic resonance","level":2,"score":0.7330636978149414},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.7118021845817566},{"id":"https://openalex.org/C139210041","wikidata":"https://www.wikidata.org/wiki/Q2145840","display_name":"Resonance (particle physics)","level":2,"score":0.49276235699653625},{"id":"https://openalex.org/C2776640939","wikidata":"https://www.wikidata.org/wiki/Q6643508","display_name":"Hydrogen atom","level":3,"score":0.4787822961807251},{"id":"https://openalex.org/C65154329","wikidata":"https://www.wikidata.org/wiki/Q1327024","display_name":"Electron nuclear double resonance","level":3,"score":0.4549817442893982},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.4513964056968689},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.41352778673171997},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.38253986835479736},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.36603057384490967},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14167830348014832},{"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/C2780263894","wikidata":"https://www.wikidata.org/wiki/Q335268","display_name":"Alkyl","level":2,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1063/1.1841078","doi":"https://doi.org/10.1063/1.1841078","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.1841078","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":["cwts-core","jufo-1","ki-jl-1","medline","norway-1"],"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":[],"sustainable_development_goals_aurora":[{"score":0.5299999713897705,"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1529581113","https://openalex.org/W1968644257","https://openalex.org/W1991227073","https://openalex.org/W2029068256","https://openalex.org/W2029697481","https://openalex.org/W2030825366","https://openalex.org/W2045983807","https://openalex.org/W2070689685","https://openalex.org/W2071164559","https://openalex.org/W2072172174","https://openalex.org/W2084451712","https://openalex.org/W2098541554","https://openalex.org/W2377834296"],"related_works":["https://openalex.org/W4386774153","https://openalex.org/W3206164803","https://openalex.org/W2055114309","https://openalex.org/W2029807574","https://openalex.org/W2563367549","https://openalex.org/W3024821984","https://openalex.org/W1526607425","https://openalex.org/W2041356660","https://openalex.org/W2024835390","https://openalex.org/W2050873319"],"abstract_inverted_index":{"The":[0,25,119,128],"electron":[1,46,93],"spin":[2],"resonance":[3,31],"of":[4,8,18,43,53,83,100,139],"x-irradiated":[5],"single":[6],"crystals":[7],"hydroxyurea":[9],"have":[10],"been":[11,33],"observed":[12],"and":[13,37,69,73,76,114,126,146],"analyzed":[14],"for":[15,29,59,71,78,91,112,117],"different":[16],"orientations":[17],"the":[19,22,30,38,44,50,54,60,81,86,101,105,132,136,140,144,148],"crystal":[20],"in":[21,49,64,96,104,143],"magnetic":[23],"field.":[24],"free":[26],"radical":[27,107,134,149],"responsible":[28],"has":[32],"identified":[34],"as":[35],"NH2CONH,":[36],"measurements":[39,85],"indicate":[40,130],"that":[41,131,147],"41%":[42],"unpaired":[45],"is":[47,150],"localized":[48,95],"2p":[51,98],"orbital":[52,99],"nitrogen":[55,102,113],"atom.":[56],"Principal":[57],"values":[58,122],"hyperfine":[61,89],"coupling":[62],"constants":[63,90],"gauss":[65],"are":[66,123],"\u221221.2,":[67],"\u221213.5,":[68],"\u22121.5":[70],"H,":[72],"22.5,":[74],"1.5,":[75],"1.2":[77],"N.":[79],"On":[80],"basis":[82],"these":[84],"induced":[87],"isotropic":[88],"an":[92],"entirely":[94],"a":[97],"atom":[103],"R\u2013N\u2013H":[106],"would":[108],"be":[109],"20.2":[110],"G":[111,116],"\u221231":[115],"hydrogen.":[118],"principal":[120],"g":[121],"2.0027,":[124],"2.0062,":[125],"2.0108.":[127],"results":[129],"trapped":[133],"retains":[135],"approximate":[137],"orientation":[138],"parent":[141],"molecule":[142],"lattice":[145],"planar.":[151]},"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2025-10-10T00:00:00"}
