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Article: Spin-filter effect induced by magnetic edge states of zigzag carbon nanotube
Title | Spin-filter effect induced by magnetic edge states of zigzag carbon nanotube |
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Authors | |
Issue Date | 2008 |
Publisher | Zhongguo Wuli Xuehui & Institute of Physics Publishing Ltd. The Journal's web site is located at http://www.iop.org/EJ/journal/CPL |
Citation | Chinese Physics Letters, 2008, v. 25 n. 4, p. 1431-1434 How to Cite? |
Abstract | Spin-filter effect is predicted in a weak coupled junction composed of a nonmagnetic metal electrode and a zigzag carbon nanotube. This effect is induced by the magnetic edge states of the nanotube, and can produce spin-polarized current in the absence of an external magnetic field. We find that the spin polarization of the current changes its sign at the half-filling point of the nanotube, thus electric field control of spin transport can be realized. Furthermore, we find the coupling strength of the junction may cause a magnetic transition on the edge of the nanotube. © 2008 Chinese Physical Society and IOP Publishing Ltd. |
Persistent Identifier | http://hdl.handle.net/10722/80599 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 0.815 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Jiang, ZF | en_HK |
dc.contributor.author | Li, J | en_HK |
dc.contributor.author | Shen, SQ | en_HK |
dc.contributor.author | Liu, WM | en_HK |
dc.date.accessioned | 2010-09-06T08:08:13Z | - |
dc.date.available | 2010-09-06T08:08:13Z | - |
dc.date.issued | 2008 | en_HK |
dc.identifier.citation | Chinese Physics Letters, 2008, v. 25 n. 4, p. 1431-1434 | en_HK |
dc.identifier.issn | 0256-307X | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/80599 | - |
dc.description.abstract | Spin-filter effect is predicted in a weak coupled junction composed of a nonmagnetic metal electrode and a zigzag carbon nanotube. This effect is induced by the magnetic edge states of the nanotube, and can produce spin-polarized current in the absence of an external magnetic field. We find that the spin polarization of the current changes its sign at the half-filling point of the nanotube, thus electric field control of spin transport can be realized. Furthermore, we find the coupling strength of the junction may cause a magnetic transition on the edge of the nanotube. © 2008 Chinese Physical Society and IOP Publishing Ltd. | en_HK |
dc.language | eng | en_HK |
dc.publisher | Zhongguo Wuli Xuehui & Institute of Physics Publishing Ltd. The Journal's web site is located at http://www.iop.org/EJ/journal/CPL | en_HK |
dc.relation.ispartof | Chinese Physics Letters | en_HK |
dc.title | Spin-filter effect induced by magnetic edge states of zigzag carbon nanotube | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0256-307X&volume=25&spage=1431&epage=1434&date=2008&atitle=Spin-filter+effect+induced+by+magnetic+edge+states+of+zigzag+carbon+nanotube | en_HK |
dc.identifier.email | Shen, SQ: sshen@hkucc.hku.hk | en_HK |
dc.identifier.authority | Shen, SQ=rp00775 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1088/0256-307X/25/4/072 | en_HK |
dc.identifier.scopus | eid_2-s2.0-43049122802 | en_HK |
dc.identifier.hkuros | 145578 | en_HK |
dc.identifier.volume | 25 | en_HK |
dc.identifier.issue | 4 | en_HK |
dc.identifier.spage | 1431 | en_HK |
dc.identifier.epage | 1434 | en_HK |
dc.identifier.isi | WOS:000255153000072 | - |
dc.publisher.place | China | en_HK |
dc.identifier.scopusauthorid | Jiang, ZF=24171139900 | en_HK |
dc.identifier.scopusauthorid | Li, J=51564279700 | en_HK |
dc.identifier.scopusauthorid | Shen, SQ=7403431266 | en_HK |
dc.identifier.scopusauthorid | Liu, WM=35215373500 | en_HK |
dc.identifier.issnl | 0256-307X | - |