Metal-free three-dimensional perovskite ferroelectrics
Inorganic perovskite ferroelectrics are widely used in nonvolatile memory elements, capacitors, and sensors because of their excellent ferroelectric and other properties. Organic ferroelectrics are desirable for their mechanical flexibility, low weight, environmentally friendly processing, and low p...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2018-07, Vol.361 (6398), p.151-155 |
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| creator | Ye, Heng-Yun Tang, Yuan-Yuan Li, Peng-Fei Liao, Wei-Qiang Gao, Ji-Xing Hua, Xiu-Ni Cai, Hu Shi, Ping-Ping You, Yu-Meng Xiong, Ren-Gen |
| description | Inorganic perovskite ferroelectrics are widely used in nonvolatile memory elements, capacitors, and sensors because of their excellent ferroelectric and other properties. Organic ferroelectrics are desirable for their mechanical flexibility, low weight, environmentally friendly processing, and low processing temperatures. Although almost a century has passed since the first ferroelectric, Rochelle salt, was discovered, examples of highly desirable organic perovskite ferroelectrics are lacking. We found a family of metal-free organic perovskite ferroelectrics with the characteristic three-dimensional structure, among which MDABCO (
-methyl-
-diazabicyclo[2.2.2]octonium)-ammonium triiodide has a spontaneous polarization of 22 microcoulombs per square centimeter [close to that of barium titanate (BTO)], a high phase transition temperature of 448 kelvins (above that of BTO), and eight possible polarization directions. These attributes make it attractive for use in flexible devices, soft robotics, biomedical devices, and other applications. |
| doi_str_mv | 10.1126/science.aas9330 |
| format | Article |
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-methyl-
-diazabicyclo[2.2.2]octonium)-ammonium triiodide has a spontaneous polarization of 22 microcoulombs per square centimeter [close to that of barium titanate (BTO)], a high phase transition temperature of 448 kelvins (above that of BTO), and eight possible polarization directions. These attributes make it attractive for use in flexible devices, soft robotics, biomedical devices, and other applications.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.aas9330</identifier><identifier>PMID: 30002249</identifier><language>eng</language><publisher>United States: The American Association for the Advancement of Science</publisher><subject>Ammonium ; Barium ; Barium titanates ; Biomedical materials ; Ferroelectric materials ; Ferroelectricity ; Ferroelectrics ; Metals ; Organic Chemistry ; Organic compounds ; Perovskite structure ; Perovskites ; Phase transitions ; Polarization ; Synthesis ; Transition temperature ; Transition temperatures</subject><ispartof>Science (American Association for the Advancement of Science), 2018-07, Vol.361 (6398), p.151-155</ispartof><rights>Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.</rights><rights>Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c432t-31466939a0afd94ba940a1b1d9442c245a7e0e1717716c317ff71d1d3db357e43</citedby><cites>FETCH-LOGICAL-c432t-31466939a0afd94ba940a1b1d9442c245a7e0e1717716c317ff71d1d3db357e43</cites><orcidid>0000-0003-2276-6886 ; 0000-0002-5359-7037 ; 0000-0001-5228-6192 ; 0000-0002-8369-572X ; 0000-0002-4258-8733 ; 0000-0003-2364-0193</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,2871,2872,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30002249$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ye, Heng-Yun</creatorcontrib><creatorcontrib>Tang, Yuan-Yuan</creatorcontrib><creatorcontrib>Li, Peng-Fei</creatorcontrib><creatorcontrib>Liao, Wei-Qiang</creatorcontrib><creatorcontrib>Gao, Ji-Xing</creatorcontrib><creatorcontrib>Hua, Xiu-Ni</creatorcontrib><creatorcontrib>Cai, Hu</creatorcontrib><creatorcontrib>Shi, Ping-Ping</creatorcontrib><creatorcontrib>You, Yu-Meng</creatorcontrib><creatorcontrib>Xiong, Ren-Gen</creatorcontrib><title>Metal-free three-dimensional perovskite ferroelectrics</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>Inorganic perovskite ferroelectrics are widely used in nonvolatile memory elements, capacitors, and sensors because of their excellent ferroelectric and other properties. Organic ferroelectrics are desirable for their mechanical flexibility, low weight, environmentally friendly processing, and low processing temperatures. Although almost a century has passed since the first ferroelectric, Rochelle salt, was discovered, examples of highly desirable organic perovskite ferroelectrics are lacking. We found a family of metal-free organic perovskite ferroelectrics with the characteristic three-dimensional structure, among which MDABCO (
-methyl-
-diazabicyclo[2.2.2]octonium)-ammonium triiodide has a spontaneous polarization of 22 microcoulombs per square centimeter [close to that of barium titanate (BTO)], a high phase transition temperature of 448 kelvins (above that of BTO), and eight possible polarization directions. These attributes make it attractive for use in flexible devices, soft robotics, biomedical devices, and other applications.</description><subject>Ammonium</subject><subject>Barium</subject><subject>Barium titanates</subject><subject>Biomedical materials</subject><subject>Ferroelectric materials</subject><subject>Ferroelectricity</subject><subject>Ferroelectrics</subject><subject>Metals</subject><subject>Organic Chemistry</subject><subject>Organic compounds</subject><subject>Perovskite structure</subject><subject>Perovskites</subject><subject>Phase transitions</subject><subject>Polarization</subject><subject>Synthesis</subject><subject>Transition temperature</subject><subject>Transition temperatures</subject><issn>0036-8075</issn><issn>1095-9203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpdkE1PwzAMhiMEYmNw5oYmceHSLY7TZDmiiS9piAucqzR1RUc_RtIi8e_JtMKBi_1KfmzJD2OXwBcAQi2Dq6h1tLA2GER-xKbATZoYwfGYTTlHlay4TifsLIQt53Fm8JRNMEYhpJky9Uy9rZPSE83791iTomqoDVXX2nq-I999hY-qp3lJ3ndUk-t95cI5OyltHehi7DP2dn_3un5MNi8PT-vbTeIkij5BkEoZNJbbsjAyt0ZyCznELIUTMrWaOIEGrUE5BF2WGgoosMgx1SRxxm4Od3e--xwo9FlTBUd1bVvqhpAJrrmQqBRE9Pofuu0GH7_YU2plEFZpGqnlgXK-C8FTme181Vj_nQHP9kqzUWk2Ko0bV-PdIW-o-ON_HeIPNe5yuA</recordid><startdate>20180713</startdate><enddate>20180713</enddate><creator>Ye, Heng-Yun</creator><creator>Tang, Yuan-Yuan</creator><creator>Li, Peng-Fei</creator><creator>Liao, Wei-Qiang</creator><creator>Gao, Ji-Xing</creator><creator>Hua, Xiu-Ni</creator><creator>Cai, Hu</creator><creator>Shi, Ping-Ping</creator><creator>You, Yu-Meng</creator><creator>Xiong, Ren-Gen</creator><general>The American Association for the Advancement of Science</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QQ</scope><scope>7QR</scope><scope>7SC</scope><scope>7SE</scope><scope>7SN</scope><scope>7SP</scope><scope>7SR</scope><scope>7SS</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7TK</scope><scope>7TM</scope><scope>7U5</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-2276-6886</orcidid><orcidid>https://orcid.org/0000-0002-5359-7037</orcidid><orcidid>https://orcid.org/0000-0001-5228-6192</orcidid><orcidid>https://orcid.org/0000-0002-8369-572X</orcidid><orcidid>https://orcid.org/0000-0002-4258-8733</orcidid><orcidid>https://orcid.org/0000-0003-2364-0193</orcidid></search><sort><creationdate>20180713</creationdate><title>Metal-free three-dimensional perovskite ferroelectrics</title><author>Ye, Heng-Yun ; 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Organic ferroelectrics are desirable for their mechanical flexibility, low weight, environmentally friendly processing, and low processing temperatures. Although almost a century has passed since the first ferroelectric, Rochelle salt, was discovered, examples of highly desirable organic perovskite ferroelectrics are lacking. We found a family of metal-free organic perovskite ferroelectrics with the characteristic three-dimensional structure, among which MDABCO (
-methyl-
-diazabicyclo[2.2.2]octonium)-ammonium triiodide has a spontaneous polarization of 22 microcoulombs per square centimeter [close to that of barium titanate (BTO)], a high phase transition temperature of 448 kelvins (above that of BTO), and eight possible polarization directions. These attributes make it attractive for use in flexible devices, soft robotics, biomedical devices, and other applications.</abstract><cop>United States</cop><pub>The American Association for the Advancement of Science</pub><pmid>30002249</pmid><doi>10.1126/science.aas9330</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-2276-6886</orcidid><orcidid>https://orcid.org/0000-0002-5359-7037</orcidid><orcidid>https://orcid.org/0000-0001-5228-6192</orcidid><orcidid>https://orcid.org/0000-0002-8369-572X</orcidid><orcidid>https://orcid.org/0000-0002-4258-8733</orcidid><orcidid>https://orcid.org/0000-0003-2364-0193</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Science (American Association for the Advancement of Science), 2018-07, Vol.361 (6398), p.151-155 |
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| language | eng |
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| source | Jstor Complete Legacy; Science Magazine |
| subjects | Ammonium Barium Barium titanates Biomedical materials Ferroelectric materials Ferroelectricity Ferroelectrics Metals Organic Chemistry Organic compounds Perovskite structure Perovskites Phase transitions Polarization Synthesis Transition temperature Transition temperatures |
| title | Metal-free three-dimensional perovskite ferroelectrics |
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