{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/121504"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/121504","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"In-plane magneto-crystalline anisotropy of magnetic kagome intermetallics","abstract":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms","abstract_html":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms","abstract_has_math":false,"creators":["Qu, Kejian"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Shoemaker, Daniel P","Cooper, Lance","Mahmood, Fahad","Kuo, Eric"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-08","date_published":"2023-08","updated_at":"2026-07-22T22:24:57Z","subjects":["Magneto-crystalline Anisotropy","Information Storage"],"languages":["en","eng"],"rights":["Copyright 2023 Kejian Qu"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/121504","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Shoemaker, Daniel P","Cooper, Lance","Mahmood, Fahad","Kuo, Eric"]},{"key":"dc:creator","label":"Author","values":["Qu, Kejian"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2023-08","2023-07-12"]},{"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":["Magneto-crystalline Anisotropy","Information Storage"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2023 Kejian Qu"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/121504"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms","The student, Kejian Qu, accepted the attached license on 2023-07-11 at 16:49.","The student, Kejian Qu, submitted this Dissertation for approval on 2023-07-11 at 16:54.","This Dissertation was approved for publication on 2023-07-12 at 16:33.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19634 on 2023-12-04 at 17:02:04","Antiferromagnetic (AFM) materials are better candidates than ferromagnetic (FM) counterparts for information storage due to the faster switching rate and the inability to affect neighboring domains. Magneto-crystalline anisotropy (MCA) describes the anisotropic magnetic response of a crystalline material along different directions. This energy anisotropy can be utilized for potential information storage. Materials with an in-plane magnetic structure is preferred due to the ease of magnetic switching. In this study, kagome intermetallic family RMn6Sn6 (R = Lu, Er, Y, and Dy) is investigated. After verifying their magnetic structure and properties, the ab-plane MCA is studied from torque magnetometry measurements. It is found that ErMn6Sn6 and DyMn6Sn6 show a 6-fold ab plane torque symmetry, demonstrating their information writing capability, while LuMn6Sn6 and YMn6Sn6 do not show a 6-fold ab-plane torque symmetry. For ErMn6Sn6, anisotropic magneto-resistance measurements showed a 6-fold symmetry in ab-plane as well, demonstrating the information reading capability. This study serves as a successful example of utilization of existing materials for information storage with in-plane MCA."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["In-plane magneto-crystalline anisotropy of magnetic kagome intermetallics"]}]}],"canonical_facts":{"dc:contributor":["Shoemaker, Daniel P","Cooper, Lance","Mahmood, Fahad","Kuo, Eric"],"dc:creator":["Qu, Kejian"],"dc:date":["2023-08","2023-07-12"],"dc:description":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms","The student, Kejian Qu, accepted the attached license on 2023-07-11 at 16:49.","The student, Kejian Qu, submitted this Dissertation for approval on 2023-07-11 at 16:54.","This Dissertation was approved for publication on 2023-07-12 at 16:33.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19634 on 2023-12-04 at 17:02:04","Antiferromagnetic (AFM) materials are better candidates than ferromagnetic (FM) counterparts for information storage due to the faster switching rate and the inability to affect neighboring domains. Magneto-crystalline anisotropy (MCA) describes the anisotropic magnetic response of a crystalline material along different directions. This energy anisotropy can be utilized for potential information storage. Materials with an in-plane magnetic structure is preferred due to the ease of magnetic switching. In this study, kagome intermetallic family RMn6Sn6 (R = Lu, Er, Y, and Dy) is investigated. After verifying their magnetic structure and properties, the ab-plane MCA is studied from torque magnetometry measurements. It is found that ErMn6Sn6 and DyMn6Sn6 show a 6-fold ab plane torque symmetry, demonstrating their information writing capability, while LuMn6Sn6 and YMn6Sn6 do not show a 6-fold ab-plane torque symmetry. For ErMn6Sn6, anisotropic magneto-resistance measurements showed a 6-fold symmetry in ab-plane as well, demonstrating the information reading capability. This study serves as a successful example of utilization of existing materials for information storage with in-plane MCA."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/121504"],"dc:language":["en","eng"],"dc:rights":["Copyright 2023 Kejian Qu"],"dc:subject":["Magneto-crystalline Anisotropy","Information Storage"],"dc:title":["In-plane magneto-crystalline anisotropy of magnetic kagome intermetallics"],"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":"2026-07-22T22:24:57Z"}