Observation of multiferroic properties in pyroxene NaFeGe2O6
We report the observation of multiferroicity in a clinopyroxene NaFeGe2O6 polycrystal from the investigation of its electrical and magnetic properties. Following the previously known first magnetic transition at TN1 = 13 K, a second magnetic transition appears at TN2 = 11.8 K in the temperature depe...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2012-08, Vol.24 (30), p.306001-306001 |
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| container_issue | 30 |
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| container_title | Journal of physics. Condensed matter |
| container_volume | 24 |
| creator | Kim, Ingyu Jeon, Byung-Gu Patil, Deepak Patil, Seema Nénert, Gwilherm Kim, Kee Hoon |
| description | We report the observation of multiferroicity in a clinopyroxene NaFeGe2O6 polycrystal from the investigation of its electrical and magnetic properties. Following the previously known first magnetic transition at TN1 = 13 K, a second magnetic transition appears at TN2 = 11.8 K in the temperature dependence of the magnetization. A ferroelectric polarization starts to develop clearly at TN2 rather than TN1 and its magnitude increases up to ∼13 μC m−2 at 5 K, supporting the idea that the ferroelectric state in NaFeGe2O6 stems from a helical spin order stabilized below TN2. When a magnetic field of 90 kOe is applied, the electric polarization decreases to 9 μC m−2 and TN2 slightly increases by 0.5 K. At intermediate magnetic fields, around 28 and 78 kOe, anomalies in the magnetoelectric current, magnetoelectric susceptibility, and field derivative of magnetization curves are found, indicating field-induced spin-state transitions. Based on these electrical and magnetic properties, we provide a detailed low temperature phase diagram up to 90 kOe, and discuss the nature of each phase of NaFeGe2O6. |
| doi_str_mv | 10.1088/0953-8984/24/30/306001 |
| format | Article |
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Following the previously known first magnetic transition at TN1 = 13 K, a second magnetic transition appears at TN2 = 11.8 K in the temperature dependence of the magnetization. A ferroelectric polarization starts to develop clearly at TN2 rather than TN1 and its magnitude increases up to ∼13 μC m−2 at 5 K, supporting the idea that the ferroelectric state in NaFeGe2O6 stems from a helical spin order stabilized below TN2. When a magnetic field of 90 kOe is applied, the electric polarization decreases to 9 μC m−2 and TN2 slightly increases by 0.5 K. At intermediate magnetic fields, around 28 and 78 kOe, anomalies in the magnetoelectric current, magnetoelectric susceptibility, and field derivative of magnetization curves are found, indicating field-induced spin-state transitions. Based on these electrical and magnetic properties, we provide a detailed low temperature phase diagram up to 90 kOe, and discuss the nature of each phase of NaFeGe2O6.</description><identifier>ISSN: 0953-8984</identifier><identifier>EISSN: 1361-648X</identifier><identifier>DOI: 10.1088/0953-8984/24/30/306001</identifier><identifier>PMID: 22763611</identifier><identifier>CODEN: JCOMEL</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Dielectrics, piezoelectrics, and ferroelectrics and their properties ; Exact sciences and technology ; Ferroelectricity and antiferroelectricity ; Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) ; Magnetic properties and materials ; Magnetically ordered materials: other intrinsic properties ; Magnetomechanical and magnetoelectric effects, magnetostriction ; Phase transitions and curie point ; Physics</subject><ispartof>Journal of physics. Condensed matter, 2012-08, Vol.24 (30), p.306001-306001</ispartof><rights>2012 IOP Publishing Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/0953-8984/24/30/306001/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,776,780,27901,27902,53821,53868</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26192152$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22763611$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, Ingyu</creatorcontrib><creatorcontrib>Jeon, Byung-Gu</creatorcontrib><creatorcontrib>Patil, Deepak</creatorcontrib><creatorcontrib>Patil, Seema</creatorcontrib><creatorcontrib>Nénert, Gwilherm</creatorcontrib><creatorcontrib>Kim, Kee Hoon</creatorcontrib><title>Observation of multiferroic properties in pyroxene NaFeGe2O6</title><title>Journal of physics. Condensed matter</title><addtitle>JPhysCM</addtitle><addtitle>J. Phys.: Condens. Matter</addtitle><description>We report the observation of multiferroicity in a clinopyroxene NaFeGe2O6 polycrystal from the investigation of its electrical and magnetic properties. Following the previously known first magnetic transition at TN1 = 13 K, a second magnetic transition appears at TN2 = 11.8 K in the temperature dependence of the magnetization. A ferroelectric polarization starts to develop clearly at TN2 rather than TN1 and its magnitude increases up to ∼13 μC m−2 at 5 K, supporting the idea that the ferroelectric state in NaFeGe2O6 stems from a helical spin order stabilized below TN2. When a magnetic field of 90 kOe is applied, the electric polarization decreases to 9 μC m−2 and TN2 slightly increases by 0.5 K. At intermediate magnetic fields, around 28 and 78 kOe, anomalies in the magnetoelectric current, magnetoelectric susceptibility, and field derivative of magnetization curves are found, indicating field-induced spin-state transitions. Based on these electrical and magnetic properties, we provide a detailed low temperature phase diagram up to 90 kOe, and discuss the nature of each phase of NaFeGe2O6.</description><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Dielectrics, piezoelectrics, and ferroelectrics and their properties</subject><subject>Exact sciences and technology</subject><subject>Ferroelectricity and antiferroelectricity</subject><subject>Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)</subject><subject>Magnetic properties and materials</subject><subject>Magnetically ordered materials: other intrinsic properties</subject><subject>Magnetomechanical and magnetoelectric effects, magnetostriction</subject><subject>Phase transitions and curie point</subject><subject>Physics</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNpF0M9LwzAUB_AgipvTf2H0Inipe3lJ2wS8yHBTGO6yg7eQdAlkdG1NWnH_vR2bSh7k8uH9-BIypfBIQYgZyIylQgo-Qz5jMFQOQC_ImLKcpjkXH5dk_IdG5CbGHQBwwfg1GSEW-eDomDytTbThS3e-qZPGJfu-6ryzITS-TNrQtDZ03sbE10l7CM23rW3yrhd2aXGd35Irp6to787_hGwWL5v5a7paL9_mz6vUo4AuNUUmHS0wM1uK1EiphRmeZEYKSiUYg67MOFIumXOAmRZO6AIkAtWQswl5OLUd9vnsbezU3sfSVpWubdNHRQE5L4TEI52eaW_2dqva4Pc6HNTvwQO4PwMdS125oOvSx3-XU4k0w8HhyfmmVbumD_Vw4DBJHdNXx2DVMViFXDFQp_TZD4Zvcog</recordid><startdate>20120801</startdate><enddate>20120801</enddate><creator>Kim, Ingyu</creator><creator>Jeon, Byung-Gu</creator><creator>Patil, Deepak</creator><creator>Patil, Seema</creator><creator>Nénert, Gwilherm</creator><creator>Kim, Kee Hoon</creator><general>IOP Publishing</general><general>Institute of Physics</general><scope>IQODW</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20120801</creationdate><title>Observation of multiferroic properties in pyroxene NaFeGe2O6</title><author>Kim, Ingyu ; Jeon, Byung-Gu ; Patil, Deepak ; Patil, Seema ; Nénert, Gwilherm ; Kim, Kee Hoon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i280t-b759f1725bd121b99a8b8b893b981190bb2fc5421493ff025a8f8a709201a063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Dielectrics, piezoelectrics, and ferroelectrics and their properties</topic><topic>Exact sciences and technology</topic><topic>Ferroelectricity and antiferroelectricity</topic><topic>Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)</topic><topic>Magnetic properties and materials</topic><topic>Magnetically ordered materials: other intrinsic properties</topic><topic>Magnetomechanical and magnetoelectric effects, magnetostriction</topic><topic>Phase transitions and curie point</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Ingyu</creatorcontrib><creatorcontrib>Jeon, Byung-Gu</creatorcontrib><creatorcontrib>Patil, Deepak</creatorcontrib><creatorcontrib>Patil, Seema</creatorcontrib><creatorcontrib>Nénert, Gwilherm</creatorcontrib><creatorcontrib>Kim, Kee Hoon</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of physics. Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Ingyu</au><au>Jeon, Byung-Gu</au><au>Patil, Deepak</au><au>Patil, Seema</au><au>Nénert, Gwilherm</au><au>Kim, Kee Hoon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observation of multiferroic properties in pyroxene NaFeGe2O6</atitle><jtitle>Journal of physics. Condensed matter</jtitle><stitle>JPhysCM</stitle><addtitle>J. Phys.: Condens. Matter</addtitle><date>2012-08-01</date><risdate>2012</risdate><volume>24</volume><issue>30</issue><spage>306001</spage><epage>306001</epage><pages>306001-306001</pages><issn>0953-8984</issn><eissn>1361-648X</eissn><coden>JCOMEL</coden><abstract>We report the observation of multiferroicity in a clinopyroxene NaFeGe2O6 polycrystal from the investigation of its electrical and magnetic properties. Following the previously known first magnetic transition at TN1 = 13 K, a second magnetic transition appears at TN2 = 11.8 K in the temperature dependence of the magnetization. A ferroelectric polarization starts to develop clearly at TN2 rather than TN1 and its magnitude increases up to ∼13 μC m−2 at 5 K, supporting the idea that the ferroelectric state in NaFeGe2O6 stems from a helical spin order stabilized below TN2. When a magnetic field of 90 kOe is applied, the electric polarization decreases to 9 μC m−2 and TN2 slightly increases by 0.5 K. At intermediate magnetic fields, around 28 and 78 kOe, anomalies in the magnetoelectric current, magnetoelectric susceptibility, and field derivative of magnetization curves are found, indicating field-induced spin-state transitions. Based on these electrical and magnetic properties, we provide a detailed low temperature phase diagram up to 90 kOe, and discuss the nature of each phase of NaFeGe2O6.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><pmid>22763611</pmid><doi>10.1088/0953-8984/24/30/306001</doi><tpages>7</tpages></addata></record> |
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| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Dielectrics, piezoelectrics, and ferroelectrics and their properties Exact sciences and technology Ferroelectricity and antiferroelectricity Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Magnetomechanical and magnetoelectric effects, magnetostriction Phase transitions and curie point Physics |
| title | Observation of multiferroic properties in pyroxene NaFeGe2O6 |
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