{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/127115"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/127115","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Properties of off stoichiometric yttrium iron garnet","abstract":"YFO (YFeO3) target is used for deposition on GGG (Ga3Gd5O12) substrates with different directions: (001), (110) and (111) by PLD (Pulsed Laser Deposition). HRXRD characterization shows that high-quality epitaxial garnet phase is formed on GGG substrates. However, RSM results show that the off-stoichiometric YIG film on (111) GGG substrates can remain fully strained in plane with thickness from 23 nm to 74 nm; while the samples on (001) GGG substrates show different degrees of relaxation in-plane depending on film thickness. Magnetic characterization shows that the samples grown on (111) GGG substrates have saturation magnetization Ms~45 emu/cc, which is significantly smaller than standard YIG (~140 Ms~45/emu/cc). Furthermore, the Curie temperature of samples grown on (111) GGG is ~ 310K, in obvious contrast with standard YIG ~560K.","abstract_html":"YFO (YFeO3) target is used for deposition on GGG (Ga3Gd5O12) substrates with different directions: (001), (110) and (111) by PLD (Pulsed Laser Deposition). HRXRD characterization shows that high-quality epitaxial garnet phase is formed on GGG substrates. However, RSM results show that the off-stoichiometric YIG film on (111) GGG substrates can remain fully strained in plane with thickness from 23 nm to 74 nm; while the samples on (001) GGG substrates show different degrees of relaxation in-plane depending on film thickness. Magnetic characterization shows that the samples grown on (111) GGG substrates have saturation magnetization Ms~45 emu/cc, which is significantly smaller than standard YIG (~140 Ms~45/emu/cc). Furthermore, the Curie temperature of samples grown on (111) GGG is ~ 310K, in obvious contrast with standard YIG ~560K.","abstract_has_math":false,"creators":["Su, Tingyu(Mechanical engineer)Massachusetts Institute of Technology."],"institution":"Massachusetts Institute of Technology","degree_name":"Master","degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Department of Mechanical Engineering","school":null,"contributors":[],"advisors":["."],"committee_chairs":[],"committee_members":[],"year":2020,"date_issued":"2020","date_published":"2020","updated_at":"2026-07-22T22:21:19Z","subjects":["Mechanical Engineering."],"languages":["eng"],"rights":["MIT theses may be protected by copyright. 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HRXRD characterization shows that high-quality epitaxial garnet phase is formed on GGG substrates. However, RSM results show that the off-stoichiometric YIG film on (111) GGG substrates can remain fully strained in plane with thickness from 23 nm to 74 nm; while the samples on (001) GGG substrates show different degrees of relaxation in-plane depending on film thickness. Magnetic characterization shows that the samples grown on (111) GGG substrates have saturation magnetization Ms~45 emu/cc, which is significantly smaller than standard YIG (~140 Ms~45/emu/cc). Furthermore, the Curie temperature of samples grown on (111) GGG is ~ 310K, in obvious contrast with standard YIG ~560K."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["S.M."]},{"key":"dc:title","label":"Title","values":["Properties of off stoichiometric yttrium iron garnet"]}]}],"canonical_facts":{"dc:contributor.advisor":["."],"dc:contributor.department":["Massachusetts Institute of Technology. Department of Mechanical Engineering","MechE"],"dc:contributor.other":["Massachusetts Institute of Technology. Department of Mechanical Engineering."],"dc:creator":["Su, Tingyu(Mechanical engineer)Massachusetts Institute of Technology."],"dc:date.accessioned":["2020-09-03T17:47:38Z"],"dc:date.available":["2020-09-03T17:47:38Z"],"dc:date.issued":["2020"],"dc:description":["Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, May, 2020","Cataloged from the official PDF of thesis.","Includes bibliographical references (pages 34-35)."],"dc:description.abstract":["YFO (YFeO3) target is used for deposition on GGG (Ga3Gd5O12) substrates with different directions: (001), (110) and (111) by PLD (Pulsed Laser Deposition). HRXRD characterization shows that high-quality epitaxial garnet phase is formed on GGG substrates. However, RSM results show that the off-stoichiometric YIG film on (111) GGG substrates can remain fully strained in plane with thickness from 23 nm to 74 nm; while the samples on (001) GGG substrates show different degrees of relaxation in-plane depending on film thickness. Magnetic characterization shows that the samples grown on (111) GGG substrates have saturation magnetization Ms~45 emu/cc, which is significantly smaller than standard YIG (~140 Ms~45/emu/cc). Furthermore, the Curie temperature of samples grown on (111) GGG is ~ 310K, in obvious contrast with standard YIG ~560K."],"dc:description.degree":["S.M."],"dc:identifier.uri":["https://hdl.handle.net/1721.1/127115"],"dc:language.iso":["eng"],"dc:publisher":["Massachusetts Institute of Technology"],"dc:rights":["MIT theses may be protected by copyright. Please reuse MIT thesis content according to the MIT Libraries Permissions Policy, which is available through the URL provided."],"dc:rights.uri":["http://dspace.mit.edu/handle/1721.1/7582"],"dc:subject":["Mechanical Engineering."],"dc:title":["Properties of off stoichiometric yttrium iron garnet"],"dc:type":["Thesis"],"thesis:degree_name":["Master"]},"updated_at":"2026-07-22T22:21:19Z"}