Hidden spin-order-induced room-temperature ferroelectricity in a peculiar conical magnetic structure
A novel mechanism of spin-induced ferroelectricity is unraveled in the alternating longitudinal conical (ALC) magnetic structure. Because the noncollinear ALC structure possesses a c-axis component with collinear ↑–↑–↓–↓ spin order, spin-driven ferroelectricity along the c axis due to the exchange s...
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| Veröffentlicht in: | Physical review. B 2017-03, Vol.95 (9), p.94405 |
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| container_title | Physical review. B |
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| creator | Shen, Shi-Peng Liu, Xin-Zhi Chai, Yi-Sheng Studer, Andrew Rule, Kirrily Zhai, Kun Yan, Li-Qin Shang, Da-Shan Klose, Frank Liu, Yun-Tao Chen, Dong-Feng Sun, Young |
| description | A novel mechanism of spin-induced ferroelectricity is unraveled in the alternating longitudinal conical (ALC) magnetic structure. Because the noncollinear ALC structure possesses a c-axis component with collinear ↑–↑–↓–↓ spin order, spin-driven ferroelectricity along the c axis due to the exchange striction mechanism is predicted. Our experiments verify this prediction in the Y-type hexaferrite Ba0.3Sr1.7Co2Fe11AlO22, where ferroelectricity along the c axis is observed up to room temperature. Neutron diffraction data clearly reveal the ALC phase and its evolution with magnetic fields. The c -axis electric polarization can be well modulated by applying either ab-plane or c-axis magnetic fields, even at 305 K. This kind of spin-induced ferroelectricity associated with the ALC magnetic structure provides a new resource of type II multiferroics. |
| doi_str_mv | 10.1103/PhysRevB.95.094405 |
| format | Article |
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Because the noncollinear ALC structure possesses a c-axis component with collinear ↑–↑–↓–↓ spin order, spin-driven ferroelectricity along the c axis due to the exchange striction mechanism is predicted. Our experiments verify this prediction in the Y-type hexaferrite Ba0.3Sr1.7Co2Fe11AlO22, where ferroelectricity along the c axis is observed up to room temperature. Neutron diffraction data clearly reveal the ALC phase and its evolution with magnetic fields. The c -axis electric polarization can be well modulated by applying either ab-plane or c-axis magnetic fields, even at 305 K. This kind of spin-induced ferroelectricity associated with the ALC magnetic structure provides a new resource of type II multiferroics.</description><identifier>ISSN: 2469-9950</identifier><identifier>EISSN: 2469-9969</identifier><identifier>DOI: 10.1103/PhysRevB.95.094405</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Diffraction ; Electric polarization ; Ferroelectricity ; Magnetic fields ; Magnetic structure ; Neutron diffraction ; Predictions ; Room temperature</subject><ispartof>Physical review. 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B</title><description>A novel mechanism of spin-induced ferroelectricity is unraveled in the alternating longitudinal conical (ALC) magnetic structure. Because the noncollinear ALC structure possesses a c-axis component with collinear ↑–↑–↓–↓ spin order, spin-driven ferroelectricity along the c axis due to the exchange striction mechanism is predicted. Our experiments verify this prediction in the Y-type hexaferrite Ba0.3Sr1.7Co2Fe11AlO22, where ferroelectricity along the c axis is observed up to room temperature. Neutron diffraction data clearly reveal the ALC phase and its evolution with magnetic fields. The c -axis electric polarization can be well modulated by applying either ab-plane or c-axis magnetic fields, even at 305 K. This kind of spin-induced ferroelectricity associated with the ALC magnetic structure provides a new resource of type II multiferroics.</description><subject>Diffraction</subject><subject>Electric polarization</subject><subject>Ferroelectricity</subject><subject>Magnetic fields</subject><subject>Magnetic structure</subject><subject>Neutron diffraction</subject><subject>Predictions</subject><subject>Room temperature</subject><issn>2469-9950</issn><issn>2469-9969</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNo9jcFKAzEURYMoWGp_wFXAdepLMslMllrUCgVFdF0yyRtNmWbGJCP0760ochf3bO65hFxyWHIO8vr545Bf8Ot2adQSTFWBOiEzUWnDjNHm9J8VnJNFzjsA4BpMDWZG_Dp4j5HmMUQ2JI-Jhegnh56mYdizgvsRky1TQtphSgP26EoKLpQDDZFaOqKb-mATdUMMzvZ0b98jluBoLmlyP8sLctbZPuPir-fk7f7udbVmm6eHx9XNho2cy8J03SreWtNxsKi4xaazUjdCegHKaOyO0R64FFXbNqq1Hi2g19rXTlop5Jxc_XrHNHxOmMt2N0wpHi-3ggtZ80qoRn4DTKBdAg</recordid><startdate>20170307</startdate><enddate>20170307</enddate><creator>Shen, Shi-Peng</creator><creator>Liu, Xin-Zhi</creator><creator>Chai, Yi-Sheng</creator><creator>Studer, Andrew</creator><creator>Rule, Kirrily</creator><creator>Zhai, Kun</creator><creator>Yan, Li-Qin</creator><creator>Shang, Da-Shan</creator><creator>Klose, Frank</creator><creator>Liu, Yun-Tao</creator><creator>Chen, Dong-Feng</creator><creator>Sun, Young</creator><general>American Physical Society</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20170307</creationdate><title>Hidden spin-order-induced room-temperature ferroelectricity in a peculiar conical magnetic structure</title><author>Shen, Shi-Peng ; Liu, Xin-Zhi ; Chai, Yi-Sheng ; Studer, Andrew ; Rule, Kirrily ; Zhai, Kun ; Yan, Li-Qin ; Shang, Da-Shan ; Klose, Frank ; Liu, Yun-Tao ; Chen, Dong-Feng ; Sun, Young</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p113t-67b51ba9f10ae51ae8fa36823d20596efefe6d01324bb85badea0ed66d7c3a323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Diffraction</topic><topic>Electric polarization</topic><topic>Ferroelectricity</topic><topic>Magnetic fields</topic><topic>Magnetic structure</topic><topic>Neutron diffraction</topic><topic>Predictions</topic><topic>Room temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shen, Shi-Peng</creatorcontrib><creatorcontrib>Liu, Xin-Zhi</creatorcontrib><creatorcontrib>Chai, Yi-Sheng</creatorcontrib><creatorcontrib>Studer, Andrew</creatorcontrib><creatorcontrib>Rule, Kirrily</creatorcontrib><creatorcontrib>Zhai, Kun</creatorcontrib><creatorcontrib>Yan, Li-Qin</creatorcontrib><creatorcontrib>Shang, Da-Shan</creatorcontrib><creatorcontrib>Klose, Frank</creatorcontrib><creatorcontrib>Liu, Yun-Tao</creatorcontrib><creatorcontrib>Chen, Dong-Feng</creatorcontrib><creatorcontrib>Sun, Young</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shen, Shi-Peng</au><au>Liu, Xin-Zhi</au><au>Chai, Yi-Sheng</au><au>Studer, Andrew</au><au>Rule, Kirrily</au><au>Zhai, Kun</au><au>Yan, Li-Qin</au><au>Shang, Da-Shan</au><au>Klose, Frank</au><au>Liu, Yun-Tao</au><au>Chen, Dong-Feng</au><au>Sun, Young</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hidden spin-order-induced room-temperature ferroelectricity in a peculiar conical magnetic structure</atitle><jtitle>Physical review. B</jtitle><date>2017-03-07</date><risdate>2017</risdate><volume>95</volume><issue>9</issue><spage>94405</spage><pages>94405-</pages><issn>2469-9950</issn><eissn>2469-9969</eissn><abstract>A novel mechanism of spin-induced ferroelectricity is unraveled in the alternating longitudinal conical (ALC) magnetic structure. Because the noncollinear ALC structure possesses a c-axis component with collinear ↑–↑–↓–↓ spin order, spin-driven ferroelectricity along the c axis due to the exchange striction mechanism is predicted. Our experiments verify this prediction in the Y-type hexaferrite Ba0.3Sr1.7Co2Fe11AlO22, where ferroelectricity along the c axis is observed up to room temperature. Neutron diffraction data clearly reveal the ALC phase and its evolution with magnetic fields. The c -axis electric polarization can be well modulated by applying either ab-plane or c-axis magnetic fields, even at 305 K. This kind of spin-induced ferroelectricity associated with the ALC magnetic structure provides a new resource of type II multiferroics.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevB.95.094405</doi></addata></record> |
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| subjects | Diffraction Electric polarization Ferroelectricity Magnetic fields Magnetic structure Neutron diffraction Predictions Room temperature |
| title | Hidden spin-order-induced room-temperature ferroelectricity in a peculiar conical magnetic structure |
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