{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/148443"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/148443","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Constraint analysis of radiation-induced amorphizability of zirconate- and titanate-based nuclear wasteforms","abstract":"Pyrochlores have long been a target of researchers looking for ceramic materials that remain stable under high doses of radiation. However, its constituent atoms have a drastic effect on how stable the structure is. The focus of this paper is to explain how titanate pyrochlores are on average an order of magnitude less structurally stable than zirconate pyrochlores. This paper explores the effect of the 48f oxygen position parameter on the structural stability of pyrochlore under heavy ion irradiation. Pyrochlores with intermediate position parameters for oxygen in the 48f location are predicted to be most stable.","abstract_html":"Pyrochlores have long been a target of researchers looking for ceramic materials that remain stable under high doses of radiation. However, its constituent atoms have a drastic effect on how stable the structure is. The focus of this paper is to explain how titanate pyrochlores are on average an order of magnitude less structurally stable than zirconate pyrochlores. This paper explores the effect of the 48f oxygen position parameter on the structural stability of pyrochlore under heavy ion irradiation. Pyrochlores with intermediate position parameters for oxygen in the 48f location are predicted to be most stable.","abstract_has_math":false,"creators":["Frame, Gabrielle Lynn."],"institution":"Massachusetts Institute of Technology","degree_name":"Bachelor","degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Department of Materials Science and Engineering","school":null,"contributors":[],"advisors":["Linn W. Hobbs."],"committee_chairs":[],"committee_members":[],"year":2005,"date_issued":"2005","date_published":"2005","updated_at":"2026-07-22T22:22:16Z","subjects":["Materials Science and Engineering."],"languages":[],"rights":["MIT theses may be protected by copyright. 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The focus of this paper is to explain how titanate pyrochlores are on average an order of magnitude less structurally stable than zirconate pyrochlores. This paper explores the effect of the 48f oxygen position parameter on the structural stability of pyrochlore under heavy ion irradiation. Pyrochlores with intermediate position parameters for oxygen in the 48f location are predicted to be most stable."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["S.B."]},{"key":"dc:title","label":"Title","values":["Constraint analysis of radiation-induced amorphizability of zirconate- and titanate-based nuclear wasteforms"]}]}],"canonical_facts":{"dc:contributor.advisor":["Linn W. Hobbs."],"dc:contributor.department":["Massachusetts Institute of Technology. Department of Materials Science and Engineering"],"dc:contributor.other":["Massachusetts Institute of Technology. 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Pyrochlores with intermediate position parameters for oxygen in the 48f location are predicted to be most stable."],"dc:description.degree":["S.B."],"dc:identifier.uri":["https://hdl.handle.net/1721.1/148443"],"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":["Materials Science and Engineering."],"dc:title":["Constraint analysis of radiation-induced amorphizability of zirconate- and titanate-based nuclear wasteforms"],"dc:type":["Thesis"],"thesis:degree_name":["Bachelor"]},"updated_at":"2026-07-22T22:22:16Z"}