{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/18951"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/18951","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Nuclear magnetic resonance study of quantum size effects in supported platinum particles","abstract":"The author has observed, and studied quantum size effects in the NMR of small, supported platinum particles with a monolayer of carbon monoxide chemically adsorbed to the surface. The effects are observed in the $\\sp{13}$C and $\\sp{195}$Pt NMR, primarily at 4.2K. He reports nonmetallic spin-lattice relaxation, and changes in the Knight shift at low temperatures.","abstract_html":"The author has observed, and studied quantum size effects in the NMR of small, supported platinum particles with a monolayer of carbon monoxide chemically adsorbed to the surface. The effects are observed in the $\\sp{13}$C and $\\sp{195}$Pt NMR, primarily at 4.2K. He reports nonmetallic spin-lattice relaxation, and changes in the Knight shift at low temperatures.","abstract_has_math":true,"creators":["Durand, Dale James"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Slichter, C.P."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T11:52:23Z","date_published":"2011-05-07T11:52:23Z","updated_at":"2026-07-22T22:25:12Z","subjects":["Physics, Condensed Matter"],"languages":["eng"],"rights":["Copyright 1989 Durand, Dale James"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI8924809","(UMI)AAI8924809"],"render_values":[{"text":"AAI8924809","href":null,"code":true},{"text":"(UMI)AAI8924809","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/18951","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Slichter, C.P."]},{"key":"dc:creator","label":"Author","values":["Durand, Dale James"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T11:52:23Z","10000-01-01","1989"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics, Condensed Matter"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1989 Durand, Dale James"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI8924809","(UMI)AAI8924809","http://hdl.handle.net/2142/18951"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The author has observed, and studied quantum size effects in the NMR of small, supported platinum particles with a monolayer of carbon monoxide chemically adsorbed to the surface. The effects are observed in the $\\sp{13}$C and $\\sp{195}$Pt NMR, primarily at 4.2K. He reports nonmetallic spin-lattice relaxation, and changes in the Knight shift at low temperatures.","He shows that the variation of the quantum size effects at 4.2K with particle size is consistent with a prediction based on simply scaling the bulk density of states at the Fermi energy with the volume of the particles. An interpretation is proposed based on the relative sizes of the electron Zeeman energy and the level spacing of particular particles.","Made available in DSpace on 2011-05-07T11:52:23Z (GMT). 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The effects are observed in the $\\sp{13}$C and $\\sp{195}$Pt NMR, primarily at 4.2K. He reports nonmetallic spin-lattice relaxation, and changes in the Knight shift at low temperatures.","He shows that the variation of the quantum size effects at 4.2K with particle size is consistent with a prediction based on simply scaling the bulk density of states at the Fermi energy with the volume of the particles. An interpretation is proposed based on the relative sizes of the electron Zeeman energy and the level spacing of particular particles.","Made available in DSpace on 2011-05-07T11:52:23Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 8924809.pdf: 2644499 bytes, checksum: c093edcba2c8305df7528231c32c9f68 (MD5) Previous issue date: 1989","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:33:38Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:12:30-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI8924809","(UMI)AAI8924809","http://hdl.handle.net/2142/18951"],"dc:language":["eng"],"dc:rights":["Copyright 1989 Durand, Dale James"],"dc:subject":["Physics, Condensed Matter"],"dc:title":["Nuclear magnetic resonance study of quantum size effects in supported platinum particles"],"dc:type":["text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:12Z"}