{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25799"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25799","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Heat capacity of gadolinium near the Curie point","abstract":"\"The dependence of the heat capacity of gadolinium on temperature has been observed close to the ferromagnetic Curie point at about 180 C. An \"\"ac\"\" or temperature modulation method allowed the use of very small single crystal samples. The heat capacity peak for our best sample is rounded in a range of lO at the Curie point (Tc ). Outside this region, good power law fits are obtained fora range of values of the critical exponents alpha (above Tc) and alpha' (below Tc )' the choice of which depends on the choice of Tc The entire set of data, including that in the rounded region, fits an expression derived from a simple macroscopic model of rounding. The Tc specified by this fit makes alpha = -.09 +/- .05 and alpha = -.32 +/- .05. Our results on Curie point and rounding are in disagreement with recent conjectures of Cadieu and Douglass for gadoliniumo\"","abstract_html":""The dependence of the heat capacity of gadolinium on temperature has been observed close to the ferromagnetic Curie point at about 180 C. An ""ac"" or temperature modulation method allowed the use of very small single crystal samples. The heat capacity peak for our best sample is rounded in a range of lO at the Curie point (Tc ). Outside this region, good power law fits are obtained fora range of values of the critical exponents alpha (above Tc) and alpha' (below Tc )' the choice of which depends on the choice of Tc The entire set of data, including that in the rounded region, fits an expression derived from a simple macroscopic model of rounding. The Tc specified by this fit makes alpha = -.09 +/- .05 and alpha = -.32 +/- .05. Our results on Curie point and rounding are in disagreement with recent conjectures of Cadieu and Douglass for gadoliniumo"","abstract_has_math":false,"creators":["Lewis, Edwin Augustus Stevens"],"institution":null,"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":"2011-07-13T19:00:08Z","date_published":"2011-07-13T19:00:08Z","updated_at":"2026-07-22T22:25:26Z","subjects":["heat capacity","gadolinium","Curie point","temperature modulation method","power law"],"languages":["en"],"rights":["1969 Edwin Augustus Stevens Lewis"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["6070166"],"render_values":[{"text":"6070166","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25799","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":["Lewis, Edwin Augustus Stevens"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-07-13T19:00:08Z","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":["heat capacity","gadolinium","Curie point","temperature modulation method","power law"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1969 Edwin Augustus Stevens Lewis"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["6070166","http://hdl.handle.net/2142/25799"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["\"The dependence of the heat capacity of gadolinium on temperature has been observed close to the ferromagnetic Curie point at about 180 C. An \"\"ac\"\" or temperature modulation method allowed the use of very small single crystal samples. The heat capacity peak for our best sample is rounded in a range of lO at the Curie point (Tc ). Outside this region, good power law fits are obtained fora range of values of the critical exponents alpha (above Tc) and alpha' (below Tc )' the choice of which depends on the choice of Tc The entire set of data, including that in the rounded region, fits an expression derived from a simple macroscopic model of rounding. The Tc specified by this fit makes alpha = -.09 +/- .05 and alpha = -.32 +/- .05. Our results on Curie point and rounding are in disagreement with recent conjectures of Cadieu and Douglass for gadoliniumo\"","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-13T19:00:08Z No. of bitstreams: 1 1969_lewis.pdf: 1601038 bytes, checksum: a18c7b6ebb3498ca5bcec67c6ed1a088 (MD5)","Made available in DSpace on 2011-07-13T19:00:08Z (GMT). No. of bitstreams: 1 1969_lewis.pdf: 1601038 bytes, checksum: a18c7b6ebb3498ca5bcec67c6ed1a088 (MD5) Previous issue date: 1969","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-13T19:00:08Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:33:08-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Heat capacity of gadolinium near the Curie point"]}]}],"canonical_facts":{"dc:contributor":["Slichter, C.P."],"dc:creator":["Lewis, Edwin Augustus Stevens"],"dc:date":["2011-07-13T19:00:08Z","10000-01-01","1969"],"dc:description":["\"The dependence of the heat capacity of gadolinium on temperature has been observed close to the ferromagnetic Curie point at about 180 C. An \"\"ac\"\" or temperature modulation method allowed the use of very small single crystal samples. The heat capacity peak for our best sample is rounded in a range of lO at the Curie point (Tc ). Outside this region, good power law fits are obtained fora range of values of the critical exponents alpha (above Tc) and alpha' (below Tc )' the choice of which depends on the choice of Tc The entire set of data, including that in the rounded region, fits an expression derived from a simple macroscopic model of rounding. The Tc specified by this fit makes alpha = -.09 +/- .05 and alpha = -.32 +/- .05. Our results on Curie point and rounding are in disagreement with recent conjectures of Cadieu and Douglass for gadoliniumo\"","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-13T19:00:08Z No. of bitstreams: 1 1969_lewis.pdf: 1601038 bytes, checksum: a18c7b6ebb3498ca5bcec67c6ed1a088 (MD5)","Made available in DSpace on 2011-07-13T19:00:08Z (GMT). No. of bitstreams: 1 1969_lewis.pdf: 1601038 bytes, checksum: a18c7b6ebb3498ca5bcec67c6ed1a088 (MD5) Previous issue date: 1969","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-07-13T19:00:08Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:33:08-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"],"dc:identifier":["6070166","http://hdl.handle.net/2142/25799"],"dc:language":["en"],"dc:rights":["1969 Edwin Augustus Stevens Lewis"],"dc:subject":["heat capacity","gadolinium","Curie point","temperature modulation method","power law"],"dc:title":["Heat capacity of gadolinium near the Curie point"],"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"}