{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25804"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25804","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"The critical magnetic field curves of superconducting molybdenum and cadmium above 0.03 degrees K","abstract":"The critical magnetic field curves of molybdenum and cadmium have been measured from T to 0.03 oK, using the critical c field curve of aluminum as a thermometer. The data, when extrapolated to T = 0, yield values of H = 96.24 gauss and y = 1.835 o mJ/(mole °K2), for Mo, and H = 28.05 gauss and y = 0.685 mJ/(mole K2) for Cd. The extrapolation to H = 0 yields T values of 0.9l34°K and 0.5l5°K for Mo and Cd, respectively. These values, together with the experimental data, are used to calculate the superconducting electronic entropy and the deviation of the critical field curve from parabolicity over the entire temperature range. The results show satisfactory agreement with previous measurements, and with Clem's theory of anisotropy.","abstract_html":"The critical magnetic field curves of molybdenum and cadmium have been measured from T to 0.03 oK, using the critical c field curve of aluminum as a thermometer. The data, when extrapolated to T = 0, yield values of H = 96.24 gauss and y = 1.835 o mJ/(mole °K2), for Mo, and H = 28.05 gauss and y = 0.685 mJ/(mole K2) for Cd. The extrapolation to H = 0 yields T values of 0.9l34°K and 0.5l5°K for Mo and Cd, respectively. These values, together with the experimental data, are used to calculate the superconducting electronic entropy and the deviation of the critical field curve from parabolicity over the entire temperature range. The results show satisfactory agreement with previous measurements, and with Clem's theory of anisotropy.","abstract_has_math":false,"creators":["Hamblen, David Gordon"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Mapother, D.E."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-07-14T14:08:44Z","date_published":"2011-07-14T14:08:44Z","updated_at":"2026-07-22T22:25:26Z","subjects":["critical magnetic field curves","superconducting molybdenum","superconducting cadmium"],"languages":["en"],"rights":["1969 David Gordon Hamblen"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["6074648"],"render_values":[{"text":"6074648","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25804","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Mapother, D.E."]},{"key":"dc:creator","label":"Author","values":["Hamblen, David Gordon"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-07-14T14:08:44Z","10000-01-01","1969"]},{"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":["critical magnetic field curves","superconducting molybdenum","superconducting cadmium"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1969 David Gordon Hamblen"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["6074648","http://hdl.handle.net/2142/25804"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The critical magnetic field curves of molybdenum and cadmium have been measured from T to 0.03 oK, using the critical c field curve of aluminum as a thermometer. The data, when extrapolated to T = 0, yield values of H = 96.24 gauss and y = 1.835 o mJ/(mole °K2), for Mo, and H = 28.05 gauss and y = 0.685 mJ/(mole K2) for Cd. The extrapolation to H = 0 yields T values of 0.9l34°K and 0.5l5°K for Mo and Cd, respectively. These values, together with the experimental data, are used to calculate the superconducting electronic entropy and the deviation of the critical field curve from parabolicity over the entire temperature range. The results show satisfactory agreement with previous measurements, and with Clem's theory of anisotropy.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-14T14:08:44Z No. of bitstreams: 1 1969_hamblen.pdf: 2616514 bytes, checksum: 3a331a67bcf94b9acc035d90d89a4b9a (MD5)","Made available in DSpace on 2011-07-14T14:08:44Z (GMT). No. of bitstreams: 1 1969_hamblen.pdf: 2616514 bytes, checksum: 3a331a67bcf94b9acc035d90d89a4b9a (MD5) Previous issue date: 1969","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-14T14:08:44Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:32:47-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["The critical magnetic field curves of superconducting molybdenum and cadmium above 0.03 degrees K"]}]}],"canonical_facts":{"dc:contributor":["Mapother, D.E."],"dc:creator":["Hamblen, David Gordon"],"dc:date":["2011-07-14T14:08:44Z","10000-01-01","1969"],"dc:description":["The critical magnetic field curves of molybdenum and cadmium have been measured from T to 0.03 oK, using the critical c field curve of aluminum as a thermometer. The data, when extrapolated to T = 0, yield values of H = 96.24 gauss and y = 1.835 o mJ/(mole °K2), for Mo, and H = 28.05 gauss and y = 0.685 mJ/(mole K2) for Cd. The extrapolation to H = 0 yields T values of 0.9l34°K and 0.5l5°K for Mo and Cd, respectively. These values, together with the experimental data, are used to calculate the superconducting electronic entropy and the deviation of the critical field curve from parabolicity over the entire temperature range. The results show satisfactory agreement with previous measurements, and with Clem's theory of anisotropy.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-14T14:08:44Z No. of bitstreams: 1 1969_hamblen.pdf: 2616514 bytes, checksum: 3a331a67bcf94b9acc035d90d89a4b9a (MD5)","Made available in DSpace on 2011-07-14T14:08:44Z (GMT). No. of bitstreams: 1 1969_hamblen.pdf: 2616514 bytes, checksum: 3a331a67bcf94b9acc035d90d89a4b9a (MD5) Previous issue date: 1969","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-14T14:08:44Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:32:47-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"],"dc:identifier":["6074648","http://hdl.handle.net/2142/25804"],"dc:language":["en"],"dc:rights":["1969 David Gordon Hamblen"],"dc:subject":["critical magnetic field curves","superconducting molybdenum","superconducting cadmium"],"dc:title":["The critical magnetic field curves of superconducting molybdenum and cadmium above 0.03 degrees K"],"dc:type":["Dissertation / Thesis","text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-22T22:25:26Z"}