{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/82903"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/82903","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Granular Alloy Film Synthesis Using Ionized Cluster Beam Deposition","abstract":"This thesis involves film growth and characterization, aerosol and gas flow dynamics, ion beam optics, and the production of nanoclusters and their magnetic behavior. Films are grown by simultaneous deposition of ionized nanoclusters from a beam and of atoms from an evaporation source. The resultant films are of granular structure; that is, they have clusters of nanometer size embedded in a matrix. The potential and advantages of this method in creating a diverse array of microstructures is explored. As a first application, magnetic clusters are embedded in a non-magnetic matrix material, and the magnetic properties are measured as a function of microstructure. Granular alloys of this form are known to exhibit giant magnetoresistance. Due to its versatility, this film growth technique enables numerous further experiments in small particle behavior, cluster-surface interactions, and granular film properties.","abstract_html":"This thesis involves film growth and characterization, aerosol and gas flow dynamics, ion beam optics, and the production of nanoclusters and their magnetic behavior. Films are grown by simultaneous deposition of ionized nanoclusters from a beam and of atoms from an evaporation source. The resultant films are of granular structure; that is, they have clusters of nanometer size embedded in a matrix. The potential and advantages of this method in creating a diverse array of microstructures is explored. As a first application, magnetic clusters are embedded in a non-magnetic matrix material, and the magnetic properties are measured as a function of microstructure. Granular alloys of this form are known to exhibit giant magnetoresistance. Due to its versatility, this film growth technique enables numerous further experiments in small particle behavior, cluster-surface interactions, and granular film properties.","abstract_has_math":false,"creators":["Pollack, Margolita Mia"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Materials Science and Engineering","degree_department":null,"school":null,"contributors":["Averback, Robert S."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:53:33Z","date_published":"2015-09-25T20:53:33Z","updated_at":"2026-07-22T22:26:20Z","subjects":["Physics, Condensed Matter"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI9834730"],"render_values":[{"text":"(MiAaPQ)AAI9834730","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/82903","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Averback, Robert S."]},{"key":"dc:creator","label":"Author","values":["Pollack, Margolita Mia"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:53:33Z","10000-01-01","1998"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Materials Science and Engineering"]},{"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"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/82903","(MiAaPQ)AAI9834730"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["This thesis involves film growth and characterization, aerosol and gas flow dynamics, ion beam optics, and the production of nanoclusters and their magnetic behavior. 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Films are grown by simultaneous deposition of ionized nanoclusters from a beam and of atoms from an evaporation source. The resultant films are of granular structure; that is, they have clusters of nanometer size embedded in a matrix. The potential and advantages of this method in creating a diverse array of microstructures is explored. As a first application, magnetic clusters are embedded in a non-magnetic matrix material, and the magnetic properties are measured as a function of microstructure. Granular alloys of this form are known to exhibit giant magnetoresistance. Due to its versatility, this film growth technique enables numerous further experiments in small particle behavior, cluster-surface interactions, and granular film properties.","Made available in DSpace on 2015-09-25T20:53:33Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9834730.pdf: 3970920 bytes, checksum: b73779f7c306c2af7b11f27bad3d4d0b (MD5) Previous issue date: 1998","Embargo set by: Seth Robbins for item 84184 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","101 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1998."],"dc:identifier":["http://hdl.handle.net/2142/82903","(MiAaPQ)AAI9834730"],"dc:language":["eng"],"dc:subject":["Physics, Condensed Matter"],"dc:title":["Granular Alloy Film Synthesis Using Ionized Cluster Beam Deposition"],"dc:type":["text"],"thesis:degree_discipline":["Materials Science and Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:20Z"}