{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/30674"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/30674","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Equilibrium vacancy concentration measurements in solid argon","abstract":"The direct technique of simultaneously measuring bulk and lattice expansion to determine equilibrium vacancy concentrations, has been applied to solid argon. The results indicate that vacancy concentrations do not exceed 0.02% even at the highest temperatures. Although the data obtained were not sufficiently precise to allow unique values to be determined for the formation parameters, it would appear from semiempirica1 considerations that both these results and previous ones, from the similar investigation of solid krypton, cannot be explained consistently within the context of presently existing theory.","abstract_html":"The direct technique of simultaneously measuring bulk and lattice expansion to determine equilibrium vacancy concentrations, has been applied to solid argon. The results indicate that vacancy concentrations do not exceed 0.02% even at the highest temperatures. Although the data obtained were not sufficiently precise to allow unique values to be determined for the formation parameters, it would appear from semiempirica1 considerations that both these results and previous ones, from the similar investigation of solid krypton, cannot be explained consistently within the context of presently existing theory.","abstract_has_math":false,"creators":["Schwalbe, Larry Allen"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Simmons, R.O."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-04-19T18:48:59Z","date_published":"2012-04-19T18:48:59Z","updated_at":"2026-07-22T22:25:29Z","subjects":["equilibrium vacancy concentration","argon solids","solid krypton","vacancy concentrations"],"languages":["en"],"rights":["© 1973 Larry Allen Schwalbe"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["2592438"],"render_values":[{"text":"2592438","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/30674","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Simmons, R.O."]},{"key":"dc:creator","label":"Author","values":["Schwalbe, Larry Allen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2012-04-19T18:48:59Z","10000-01-01","1973"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation / Thesis","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."]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["equilibrium vacancy concentration","argon solids","solid krypton","vacancy concentrations"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["© 1973 Larry Allen Schwalbe"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["2592438","http://hdl.handle.net/2142/30674"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The direct technique of simultaneously measuring bulk and lattice expansion to determine equilibrium vacancy concentrations, has been applied to solid argon. The results indicate that vacancy concentrations do not exceed 0.02% even at the highest temperatures. Although the data obtained were not sufficiently precise to allow unique values to be determined for the formation parameters, it would appear from semiempirica1 considerations that both these results and previous ones, from the similar investigation of solid krypton, cannot be explained consistently within the context of presently existing theory.","Submitted by Megan O'Donnell (mnodonn2@illinois.edu) on 2012-04-19T18:48:59Z No. of bitstreams: 1 1973_schwalbe.pdf: 2217660 bytes, checksum: 12f768f9e337042b2dc99de4b6f3dc3b (MD5)","Made available in DSpace on 2012-04-19T18:48:59Z (GMT). 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The results indicate that vacancy concentrations do not exceed 0.02% even at the highest temperatures. Although the data obtained were not sufficiently precise to allow unique values to be determined for the formation parameters, it would appear from semiempirica1 considerations that both these results and previous ones, from the similar investigation of solid krypton, cannot be explained consistently within the context of presently existing theory.","Submitted by Megan O'Donnell (mnodonn2@illinois.edu) on 2012-04-19T18:48:59Z No. of bitstreams: 1 1973_schwalbe.pdf: 2217660 bytes, checksum: 12f768f9e337042b2dc99de4b6f3dc3b (MD5)","Made available in DSpace on 2012-04-19T18:48:59Z (GMT). No. of bitstreams: 1 1973_schwalbe.pdf: 2217660 bytes, checksum: 12f768f9e337042b2dc99de4b6f3dc3b (MD5) Previous issue date: 1973","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Megan O'Donnell (mnodonn2@illinois.edu) on 2012-04-19T18:48:59Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:34:50-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: thesis/dissertation","thesis/dissertation","U of I Only"],"dc:identifier":["2592438","http://hdl.handle.net/2142/30674"],"dc:language":["en"],"dc:rights":["© 1973 Larry Allen Schwalbe"],"dc:subject":["equilibrium vacancy concentration","argon solids","solid krypton","vacancy concentrations"],"dc:title":["Equilibrium vacancy concentration measurements in solid argon"],"dc:type":["Dissertation / Thesis","text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-22T22:25:29Z"}