{"id":{"repo_id":"must-thes","oai_identifier":"oai:scholarsmine.mst.edu:doctoral_dissertations-2686"},"canonical_url":"https://search.dev.ndltd.org/etd/must-thes/oai:scholarsmine.mst.edu:doctoral_dissertations-2686","repository":{"repo_id":"must-thes","name":"Missouri University of Science and Technology","base_url":"https://scholarsmine.mst.edu/do/oai/"},"display":{"title":"Structural, magnetic and electric transport properties of metal substituted La₀.₇Sr₀.₃MnO₃","abstract":"\"In order to understand the structural related magnetic and transport properties of substituted perovskites La₀.₇Sr₀.₃MnO₃ (LSMO), we studied th effects of replacing some of the Mn with Ti, Zr, and Cu atoms. The structural, magnetic and electrical phase transitions and transport properties of these compounds were investigated by neutron diffraction, magnetization, electric resistivity, and in addition for Cu, theoretical band structure calculations. These abnormal behaviors relative to the parent manganite perovskite are explained by the competition between the double exchange and super exchange interactions, local John-Teller distortion, the dilution of magnetic ordering by the formation of AF clusters, the change of electron carrier density and band structure, and complex interactions between electrons, phonons, and polarons\"--Abstract, page iv.","abstract_html":""In order to understand the structural related magnetic and transport properties of substituted perovskites La₀.₇Sr₀.₃MnO₃ (LSMO), we studied th effects of replacing some of the Mn with Ti, Zr, and Cu atoms. The structural, magnetic and electrical phase transitions and transport properties of these compounds were investigated by neutron diffraction, magnetization, electric resistivity, and in addition for Cu, theoretical band structure calculations. These abnormal behaviors relative to the parent manganite perovskite are explained by the competition between the double exchange and super exchange interactions, local John-Teller distortion, the dilution of magnetic ordering by the formation of AF clusters, the change of electron carrier density and band structure, and complex interactions between electrons, phonons, and polarons"--Abstract, page iv.","abstract_has_math":false,"creators":["Kim, Minseob"],"institution":"University of Missouri--Rolla","degree_name":"Ph. D. in Physics","degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2016,"date_issued":"2016-02-10T08:00:00Z","date_published":"2016-02-10T08:00:00Z","updated_at":"2026-07-24T03:20:02Z","subjects":["Physics"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://scholarsmine.mst.edu/doctoral_dissertations/1684","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Kim, Minseob"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["2016-02-10T08:00:00Z"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation - Citation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph. D. in Physics"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Missouri--Rolla"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://scholarsmine.mst.edu/doctoral_dissertations/1684"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["\"In order to understand the structural related magnetic and transport properties of substituted perovskites La₀.₇Sr₀.₃MnO₃ (LSMO), we studied th effects of replacing some of the Mn with Ti, Zr, and Cu atoms. The structural, magnetic and electrical phase transitions and transport properties of these compounds were investigated by neutron diffraction, magnetization, electric resistivity, and in addition for Cu, theoretical band structure calculations. These abnormal behaviors relative to the parent manganite perovskite are explained by the competition between the double exchange and super exchange interactions, local John-Teller distortion, the dilution of magnetic ordering by the formation of AF clusters, the change of electron carrier density and band structure, and complex interactions between electrons, phonons, and polarons\"--Abstract, page iv."]},{"key":"dc:title","label":"Title","values":["Structural, magnetic and electric transport properties of metal substituted La₀.₇Sr₀.₃MnO₃"]}]}],"canonical_facts":{"dc:creator":["Kim, Minseob"],"dc:date.available":["2016-02-10T08:00:00Z"],"dc:description.abstract":["\"In order to understand the structural related magnetic and transport properties of substituted perovskites La₀.₇Sr₀.₃MnO₃ (LSMO), we studied th effects of replacing some of the Mn with Ti, Zr, and Cu atoms. The structural, magnetic and electrical phase transitions and transport properties of these compounds were investigated by neutron diffraction, magnetization, electric resistivity, and in addition for Cu, theoretical band structure calculations. These abnormal behaviors relative to the parent manganite perovskite are explained by the competition between the double exchange and super exchange interactions, local John-Teller distortion, the dilution of magnetic ordering by the formation of AF clusters, the change of electron carrier density and band structure, and complex interactions between electrons, phonons, and polarons\"--Abstract, page iv."],"dc:identifier":["https://scholarsmine.mst.edu/doctoral_dissertations/1684"],"dc:subject":["Physics"],"dc:title":["Structural, magnetic and electric transport properties of metal substituted La₀.₇Sr₀.₃MnO₃"],"dc:type":["Dissertation - Citation"],"thesis:degree_name":["Ph. D. in Physics"],"thesis:institution_name":["University of Missouri--Rolla"]},"updated_at":"2026-07-24T03:20:02Z"}