A multiferroic two-dimensional electron gas
Multiferroics are compounds in which at least two ferroic orders coexist - typically (anti)ferromagnetism and ferroelectricity. While magnetic order can arise in both insulating and conducting compounds, ferroelectricity is in principle not allowed in metals although a few two-dimensional (semi)meta...
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| creator | Bréhin, Julien Chen, Yu D'Antuono, Maria Varotto, Sara Stornaiuolo, Daniela Piamonteze, Cinthia Varignon, Julien Salluzzo, Marco Bibes, Manuel |
| description | Multiferroics are compounds in which at least two ferroic orders coexist -
typically (anti)ferromagnetism and ferroelectricity. While magnetic order can
arise in both insulating and conducting compounds, ferroelectricity is in
principle not allowed in metals although a few two-dimensional (semi)metals
were reported to behave as ferroelectrics. Yet, the combination with magnetic
order to realize multiferroic metals remains elusive. Here, by combining x-ray
spectroscopy and magnetotransport, we show the coexistence of ferroelectricity
and magnetism in an oxide-based two-dimensional electron gas (2DEG). The data
evidence a non-volatile switching of the polar displacements and of the
anomalous Hall effect by the polarization direction, demonstrating a
magnetoelectric coupling. Our findings provide new opportunities in quantum
matter stemming from the interplay between ferroelectricity, ferromagnetism and
Rashba spin-orbit coupling in a 2DEG. |
| doi_str_mv | 10.48550/arxiv.2206.03843 |
| format | Article |
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typically (anti)ferromagnetism and ferroelectricity. While magnetic order can
arise in both insulating and conducting compounds, ferroelectricity is in
principle not allowed in metals although a few two-dimensional (semi)metals
were reported to behave as ferroelectrics. Yet, the combination with magnetic
order to realize multiferroic metals remains elusive. Here, by combining x-ray
spectroscopy and magnetotransport, we show the coexistence of ferroelectricity
and magnetism in an oxide-based two-dimensional electron gas (2DEG). The data
evidence a non-volatile switching of the polar displacements and of the
anomalous Hall effect by the polarization direction, demonstrating a
magnetoelectric coupling. Our findings provide new opportunities in quantum
matter stemming from the interplay between ferroelectricity, ferromagnetism and
Rashba spin-orbit coupling in a 2DEG.</description><identifier>DOI: 10.48550/arxiv.2206.03843</identifier><language>eng</language><subject>Physics - Applied Physics ; Physics - Materials Science</subject><creationdate>2022-06</creationdate><rights>http://creativecommons.org/licenses/by/4.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,777,882</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2206.03843$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2206.03843$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Bréhin, Julien</creatorcontrib><creatorcontrib>Chen, Yu</creatorcontrib><creatorcontrib>D'Antuono, Maria</creatorcontrib><creatorcontrib>Varotto, Sara</creatorcontrib><creatorcontrib>Stornaiuolo, Daniela</creatorcontrib><creatorcontrib>Piamonteze, Cinthia</creatorcontrib><creatorcontrib>Varignon, Julien</creatorcontrib><creatorcontrib>Salluzzo, Marco</creatorcontrib><creatorcontrib>Bibes, Manuel</creatorcontrib><title>A multiferroic two-dimensional electron gas</title><description>Multiferroics are compounds in which at least two ferroic orders coexist -
typically (anti)ferromagnetism and ferroelectricity. While magnetic order can
arise in both insulating and conducting compounds, ferroelectricity is in
principle not allowed in metals although a few two-dimensional (semi)metals
were reported to behave as ferroelectrics. Yet, the combination with magnetic
order to realize multiferroic metals remains elusive. Here, by combining x-ray
spectroscopy and magnetotransport, we show the coexistence of ferroelectricity
and magnetism in an oxide-based two-dimensional electron gas (2DEG). The data
evidence a non-volatile switching of the polar displacements and of the
anomalous Hall effect by the polarization direction, demonstrating a
magnetoelectric coupling. Our findings provide new opportunities in quantum
matter stemming from the interplay between ferroelectricity, ferromagnetism and
Rashba spin-orbit coupling in a 2DEG.</description><subject>Physics - Applied Physics</subject><subject>Physics - Materials Science</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotzrkKwkAUQNFpLET9ACvTS-LsSyniBoKNfXgZX2Qgi0zi9vfiUt3ucgiZMppJqxRdQHyGe8Y51RkVVoohmS-T-lb1ocQY2-CT_tGm51Bj04W2gSrBCn0f2ya5QDcmgxKqDif_jshpsz6tdunhuN2vlocUtBEpcHCMM4X2bKwDK2SBglHHobBSo1fIQDPpED0opwuQnqOWpTGeKaOsGJHZb_vV5tcYaoiv_KPOv2rxBtNuPA4</recordid><startdate>20220608</startdate><enddate>20220608</enddate><creator>Bréhin, Julien</creator><creator>Chen, Yu</creator><creator>D'Antuono, Maria</creator><creator>Varotto, Sara</creator><creator>Stornaiuolo, Daniela</creator><creator>Piamonteze, Cinthia</creator><creator>Varignon, Julien</creator><creator>Salluzzo, Marco</creator><creator>Bibes, Manuel</creator><scope>GOX</scope></search><sort><creationdate>20220608</creationdate><title>A multiferroic two-dimensional electron gas</title><author>Bréhin, Julien ; Chen, Yu ; D'Antuono, Maria ; Varotto, Sara ; Stornaiuolo, Daniela ; Piamonteze, Cinthia ; Varignon, Julien ; Salluzzo, Marco ; Bibes, Manuel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a673-a2a91215e8d789a834be31092ab846ec5e1a6149eeca596ba4c2e64f77c157583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Physics - Applied Physics</topic><topic>Physics - Materials Science</topic><toplevel>online_resources</toplevel><creatorcontrib>Bréhin, Julien</creatorcontrib><creatorcontrib>Chen, Yu</creatorcontrib><creatorcontrib>D'Antuono, Maria</creatorcontrib><creatorcontrib>Varotto, Sara</creatorcontrib><creatorcontrib>Stornaiuolo, Daniela</creatorcontrib><creatorcontrib>Piamonteze, Cinthia</creatorcontrib><creatorcontrib>Varignon, Julien</creatorcontrib><creatorcontrib>Salluzzo, Marco</creatorcontrib><creatorcontrib>Bibes, Manuel</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bréhin, Julien</au><au>Chen, Yu</au><au>D'Antuono, Maria</au><au>Varotto, Sara</au><au>Stornaiuolo, Daniela</au><au>Piamonteze, Cinthia</au><au>Varignon, Julien</au><au>Salluzzo, Marco</au><au>Bibes, Manuel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A multiferroic two-dimensional electron gas</atitle><date>2022-06-08</date><risdate>2022</risdate><abstract>Multiferroics are compounds in which at least two ferroic orders coexist -
typically (anti)ferromagnetism and ferroelectricity. While magnetic order can
arise in both insulating and conducting compounds, ferroelectricity is in
principle not allowed in metals although a few two-dimensional (semi)metals
were reported to behave as ferroelectrics. Yet, the combination with magnetic
order to realize multiferroic metals remains elusive. Here, by combining x-ray
spectroscopy and magnetotransport, we show the coexistence of ferroelectricity
and magnetism in an oxide-based two-dimensional electron gas (2DEG). The data
evidence a non-volatile switching of the polar displacements and of the
anomalous Hall effect by the polarization direction, demonstrating a
magnetoelectric coupling. Our findings provide new opportunities in quantum
matter stemming from the interplay between ferroelectricity, ferromagnetism and
Rashba spin-orbit coupling in a 2DEG.</abstract><doi>10.48550/arxiv.2206.03843</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Applied Physics Physics - Materials Science |
| title | A multiferroic two-dimensional electron gas |
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