Large edge magnetism in oxidized few-layer black phosphorus nanomeshes
The formation and control of a room-temperature magnetic order in two- dimensional （2D） materials is a challenging quest for the advent of innovative magnetic- and spintronic-based technologies. To date, edge magnetism in 2D materials has been experimentally observed in hydrogen （H）-terminated graph...
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| Veröffentlicht in: | Nano research 2017-02, Vol.10 (2), p.718-728 |
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| creator | Nakanishi, Yudai Ishi, Ayumi Ohata, Chika Soriano, David Iwaki, Ryo Nomura, Kyoko Hasegawa, Miki Nakamura, Taketomo Katsumoto, Shingo Roche, Stephan Haruyama, Junji |
| description | The formation and control of a room-temperature magnetic order in two- dimensional （2D） materials is a challenging quest for the advent of innovative magnetic- and spintronic-based technologies. To date, edge magnetism in 2D materials has been experimentally observed in hydrogen （H）-terminated graphene nanoribbons （GNRs） and graphene nanomeshes （GNMs）, but the measured magnetization remains far too small to allow envisioning practical applications. Herein, we report experimental evidences of large room-temperature edge ferromagnetism （FM） obtained from oxygen （O）-terminated zigzag pore edges of few-layer black phosphorus （P） nanomeshes （BPNMs）. The magnetization values per unit area are -100 times larger than those reported for H-terminated GNMs, while the magnetism is absent for H-terminated BPNMs. The magnetization measurements and the first-principles simulations suggest that the origin of such a magnetic order could stem from ferromagnetic spin coupling between edge P with O atoms, resulting in a strong spin localization at the edge valence band, and from uniform oxidation of full pore edges over a large area and interlayer spin interaction. Our findings pave the way for realizing high-efficiency 2D flexible magnetic and spintronic devices without the use of rare magnetic elements. |
| doi_str_mv | 10.1007/s12274-016-1355-8 |
| format | Article |
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To date, edge magnetism in 2D materials has been experimentally observed in hydrogen （H）-terminated graphene nanoribbons （GNRs） and graphene nanomeshes （GNMs）, but the measured magnetization remains far too small to allow envisioning practical applications. Herein, we report experimental evidences of large room-temperature edge ferromagnetism （FM） obtained from oxygen （O）-terminated zigzag pore edges of few-layer black phosphorus （P） nanomeshes （BPNMs）. The magnetization values per unit area are -100 times larger than those reported for H-terminated GNMs, while the magnetism is absent for H-terminated BPNMs. The magnetization measurements and the first-principles simulations suggest that the origin of such a magnetic order could stem from ferromagnetic spin coupling between edge P with O atoms, resulting in a strong spin localization at the edge valence band, and from uniform oxidation of full pore edges over a large area and interlayer spin interaction. Our findings pave the way for realizing high-efficiency 2D flexible magnetic and spintronic devices without the use of rare magnetic elements.</description><identifier>ISSN: 1998-0124</identifier><identifier>EISSN: 1998-0000</identifier><identifier>DOI: 10.1007/s12274-016-1355-8</identifier><language>eng</language><publisher>Beijing: Tsinghua University Press</publisher><subject>Atomic properties ; Atomic/Molecular Structure and Spectra ; Biomedicine ; Biotechnology ; Chemistry and Materials Science ; Condensed Matter Physics ; Devices ; Ferromagnetism ; First principles ; Graphene ; Interlayers ; Localization ; Magnetism ; Magnetization ; Materials Science ; Nanostructure ; Nanotechnology ; Oxidation ; Phosphorus ; Porosity ; Research Article ; Valence band</subject><ispartof>Nano research, 2017-02, Vol.10 (2), p.718-728</ispartof><rights>Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2017</rights><rights>Nano Research is a copyright of Springer, (2017). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c452t-a0025303c4eca52d1ae74fd0cf1ffb4cfcd317780af2e3173c529f93b47f587a3</citedby><cites>FETCH-LOGICAL-c452t-a0025303c4eca52d1ae74fd0cf1ffb4cfcd317780af2e3173c529f93b47f587a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/71233X/71233X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12274-016-1355-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12274-016-1355-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids></links><search><creatorcontrib>Nakanishi, Yudai</creatorcontrib><creatorcontrib>Ishi, Ayumi</creatorcontrib><creatorcontrib>Ohata, Chika</creatorcontrib><creatorcontrib>Soriano, David</creatorcontrib><creatorcontrib>Iwaki, Ryo</creatorcontrib><creatorcontrib>Nomura, Kyoko</creatorcontrib><creatorcontrib>Hasegawa, Miki</creatorcontrib><creatorcontrib>Nakamura, Taketomo</creatorcontrib><creatorcontrib>Katsumoto, Shingo</creatorcontrib><creatorcontrib>Roche, Stephan</creatorcontrib><creatorcontrib>Haruyama, Junji</creatorcontrib><title>Large edge magnetism in oxidized few-layer black phosphorus nanomeshes</title><title>Nano research</title><addtitle>Nano Res</addtitle><addtitle>Nano Research</addtitle><description>The formation and control of a room-temperature magnetic order in two- dimensional （2D） materials is a challenging quest for the advent of innovative magnetic- and spintronic-based technologies. 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Shingo</au><au>Roche, Stephan</au><au>Haruyama, Junji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Large edge magnetism in oxidized few-layer black phosphorus nanomeshes</atitle><jtitle>Nano research</jtitle><stitle>Nano Res</stitle><addtitle>Nano Research</addtitle><date>2017-02-01</date><risdate>2017</risdate><volume>10</volume><issue>2</issue><spage>718</spage><epage>728</epage><pages>718-728</pages><issn>1998-0124</issn><eissn>1998-0000</eissn><abstract>The formation and control of a room-temperature magnetic order in two- dimensional （2D） materials is a challenging quest for the advent of innovative magnetic- and spintronic-based technologies. To date, edge magnetism in 2D materials has been experimentally observed in hydrogen （H）-terminated graphene nanoribbons （GNRs） and graphene nanomeshes （GNMs）, but the measured magnetization remains far too small to allow envisioning practical applications. Herein, we report experimental evidences of large room-temperature edge ferromagnetism （FM） obtained from oxygen （O）-terminated zigzag pore edges of few-layer black phosphorus （P） nanomeshes （BPNMs）. The magnetization values per unit area are -100 times larger than those reported for H-terminated GNMs, while the magnetism is absent for H-terminated BPNMs. The magnetization measurements and the first-principles simulations suggest that the origin of such a magnetic order could stem from ferromagnetic spin coupling between edge P with O atoms, resulting in a strong spin localization at the edge valence band, and from uniform oxidation of full pore edges over a large area and interlayer spin interaction. Our findings pave the way for realizing high-efficiency 2D flexible magnetic and spintronic devices without the use of rare magnetic elements.</abstract><cop>Beijing</cop><pub>Tsinghua University Press</pub><doi>10.1007/s12274-016-1355-8</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Atomic properties Atomic/Molecular Structure and Spectra Biomedicine Biotechnology Chemistry and Materials Science Condensed Matter Physics Devices Ferromagnetism First principles Graphene Interlayers Localization Magnetism Magnetization Materials Science Nanostructure Nanotechnology Oxidation Phosphorus Porosity Research Article Valence band |
| title | Large edge magnetism in oxidized few-layer black phosphorus nanomeshes |
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