{"corpus_id":207124511,"paper_sha":"cf5fc7df575893777d6c464f79b846b128c805bb","doi":"10.1021/ja801952e","arxiv_id":null,"pmid":18636729,"pmcid":null,"mag_id":2089556499,"dblp_id":null,"acl_id":null,"title":"Order-disorder antiferroelectric phase transition in a hybrid inorganic-organic framework with the perovskite architecture.","year":2008,"publication_date":"2008-07-18","venue":"Journal of the American Chemical Society","journal":{"name":"Journal of the American Chemical Society","pages":"\n          10450-1\n        ","volume":"130 32"},"journal_issn":null,"journal_title":null,"publication_types":["JournalArticle"],"pubmed_pub_types":["Journal Article"],"s2_fields_of_study":["Physics","Medicine","Materials Science","Chemistry"],"reference_count":0,"citation_count":426,"influential_citation_count":0,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":5,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"[(CH3)2NH2]Zn(HCOO)3, 1, adopts a structure that is analogous to that of a traditional perovskite, ABX3, with A = [(CH3)2NH2], B = Zn, and X = HCOO. The hydrogen atoms of the dimethyl ammonium cation, which hydrogen bond to oxygen atoms of the formate framework, are disordered at room temperature. X-ray powder diffraction, dielectric constant, and specific heat data show that 1 undergoes an order-disorder phase transition on cooling below 156 K. We present evidence that this is a classical paraelectric to antiferroelectric phase transition that is driven by ordering of the hydrogen atoms. This sort of electrical ordering associated with order-disorder phase transition is unprecedented in hybrid frameworks and opens up an exciting new direction in rational synthetic strategies to create extended hybrid networks for applications in ferroic-related fields.","claims":[{"public_id":"cl_4fa253f7bdd97c873b3471862f512383","status":"active","text":"Electrical ordering associated with this order-disorder transition is unprecedented in hybrid frameworks.","confidence":0.9,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_4fa253f7bdd97c873b3471862f512383"},{"public_id":"cl_e50ef5ab626e3dfab468f28aa3cfc902","status":"active","text":"The transition is a classical paraelectric-to-antiferroelectric phase transition driven by ordering of the hydrogen atoms.","confidence":0.97,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_e50ef5ab626e3dfab468f28aa3cfc902"},{"public_id":"cl_9611cd018bab9e699718954d008cefb6","status":"active","text":"The transition is supported by X-ray powder diffraction, dielectric constant, and specific heat measurements.","confidence":0.96,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_9611cd018bab9e699718954d008cefb6"},{"public_id":"cl_66f0b175fe33d50f47e67e29b9a20bf8","status":"active","text":"[(CH3)2NH2]Zn(HCOO)3 undergoes an order-disorder phase transition below 156 K.","confidence":0.98,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous 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