{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/77191"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/77191","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Silver Diffusion and Isotope Effect in Silver-Rubidium-Iodide","abstract":"The diffusion coefficient of silver in silver rubidium iodide (RbAg(,4)I(,5)) has been measured in both superionic phases using radiotracer Ag-110m and serial sectioning with a low temperature sectioning apparatus. The activation energies for diffusion in alpha-RbAg(,4)I(,5) and beta-RbAg(,4)I(,5), respectively, are .11 (+OR-) .01 eV and .20 (+OR-) .04 eV. These values are the same, within experimental error, as the observed activation energies for conduction.","abstract_html":"The diffusion coefficient of silver in silver rubidium iodide (RbAg(,4)I(,5)) has been measured in both superionic phases using radiotracer Ag-110m and serial sectioning with a low temperature sectioning apparatus. The activation energies for diffusion in alpha-RbAg(,4)I(,5) and beta-RbAg(,4)I(,5), respectively, are .11 (+OR-) .01 eV and .20 (+OR-) .04 eV. These values are the same, within experimental error, as the observed activation energies for conduction.","abstract_has_math":false,"creators":["Arzigian, James Simon"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-05-13T15:22:21Z","date_published":"2015-05-13T15:22:21Z","updated_at":"2026-07-22T22:26:10Z","subjects":["Physics, Condensed Matter"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8108438"],"render_values":[{"text":"(UMI)AAI8108438","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/77191","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Arzigian, James Simon"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-05-13T15:22:21Z","10000-01-01","1980"]},{"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"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/77191","(UMI)AAI8108438"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The diffusion coefficient of silver in silver rubidium iodide (RbAg(,4)I(,5)) has been measured in both superionic phases using radiotracer Ag-110m and serial sectioning with a low temperature sectioning apparatus. The activation energies for diffusion in alpha-RbAg(,4)I(,5) and beta-RbAg(,4)I(,5), respectively, are .11 (+OR-) .01 eV and .20 (+OR-) .04 eV. These values are the same, within experimental error, as the observed activation energies for conduction.","An isotope effect for diffusion has also been measured in both superionic phases. Ag-105 and Ag-110m radioisotopes were used with gamma spectroscopy and energy discrimation. The effect is small, with no significant temperature variation, with the value at 333 K being .12 (+OR-) .01. The second-order phase transition at 208 K has a small effect, if any, on the magnitude of the effect.","The data suggest that a highly cooperative transport mechanism is responsible for the unsually high values of both the conductivity and diffusion coefficient. Although it is not possible to deduce the particular mechanism involved, theories involving ionic polarons, or cooperative motion, such as crowdions or solitons, seem consistent with the observed results.","Made available in DSpace on 2015-05-13T15:22:21Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 8108438.PDF: 1782149 bytes, checksum: ea22a297bec07b5fe7459c7da05c42b1 (MD5) Previous issue date: 1980","Embargo set by: Seth Robbins for item 78402 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","81 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1980."]},{"key":"dc:title","label":"Title","values":["Silver Diffusion and Isotope Effect in Silver-Rubidium-Iodide"]}]}],"canonical_facts":{"dc:creator":["Arzigian, James Simon"],"dc:date":["2015-05-13T15:22:21Z","10000-01-01","1980"],"dc:description":["The diffusion coefficient of silver in silver rubidium iodide (RbAg(,4)I(,5)) has been measured in both superionic phases using radiotracer Ag-110m and serial sectioning with a low temperature sectioning apparatus. The activation energies for diffusion in alpha-RbAg(,4)I(,5) and beta-RbAg(,4)I(,5), respectively, are .11 (+OR-) .01 eV and .20 (+OR-) .04 eV. These values are the same, within experimental error, as the observed activation energies for conduction.","An isotope effect for diffusion has also been measured in both superionic phases. Ag-105 and Ag-110m radioisotopes were used with gamma spectroscopy and energy discrimation. The effect is small, with no significant temperature variation, with the value at 333 K being .12 (+OR-) .01. The second-order phase transition at 208 K has a small effect, if any, on the magnitude of the effect.","The data suggest that a highly cooperative transport mechanism is responsible for the unsually high values of both the conductivity and diffusion coefficient. Although it is not possible to deduce the particular mechanism involved, theories involving ionic polarons, or cooperative motion, such as crowdions or solitons, seem consistent with the observed results.","Made available in DSpace on 2015-05-13T15:22:21Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 8108438.PDF: 1782149 bytes, checksum: ea22a297bec07b5fe7459c7da05c42b1 (MD5) Previous issue date: 1980","Embargo set by: Seth Robbins for item 78402 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","81 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1980."],"dc:identifier":["http://hdl.handle.net/2142/77191","(UMI)AAI8108438"],"dc:language":["eng"],"dc:subject":["Physics, Condensed Matter"],"dc:title":["Silver Diffusion and Isotope Effect in Silver-Rubidium-Iodide"],"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":"2026-07-22T22:26:10Z"}