dc.contributor.author | SANVITO, STEFANO | en |
dc.date.accessioned | 2017-01-13T11:20:32Z | |
dc.date.available | 2017-01-13T11:20:32Z | |
dc.date.issued | 2016 | en |
dc.date.submitted | 2016 | en |
dc.identifier.citation | Montes E, Rungger I, Sanvito S, Schwingenschlögl U, Tunneling magnetoresistance in Si nanowires, New Journal of Physics, 18, 11, 2016, 113024- | en |
dc.identifier.other | Y | en |
dc.identifier.uri | http://hdl.handle.net/2262/78722 | |
dc.description | PUBLISHED | en |
dc.description | Export Date: 5 January 2017 | en |
dc.description.abstract | We investigate the tunneling magnetoresistance of small diameter semiconducting Si nanowires
attached to ferromagnetic Fe electrodes, using
fi
rst principles density functional theory combined
with the non-equilibrium Green
’
s functions method for quantum transport. Silicon nanowires
represent an interesting platform for spin devices. They are compatible with mature silicon technology
and their intrinsic electronic properties can be controlled by modifying the diameter and length. Here
we systematically study the spin transport properties for neutral nanowires and both
n
and
p
doping
conditions. We
fi
nd a substantial low bias magnetoresistance for the neutral case, which halves for an
applied voltage of about 0.35 V and persists up to 1 V. Doping in general decreases the
magnetoresistance, as soon as the conductance is no longer dominated by tunneling. | en |
dc.description.sponsorship | The research reported in this publication was supported by funding from King Abdullah University of Science
and Technology
(
KAUST
)
. The authors wish to acknowledge the Trinity Centre for High Performance
Computing
(
TCHPC
)
for the provision of computational facilities and supports. SS acknowledges funding from
the Science Foundation of Ireland
(
grant 14
/
IA
/
2624
) | en |
dc.format.extent | 113024 | en |
dc.relation.ispartofseries | New Journal of Physics | en |
dc.relation.ispartofseries | 18 | en |
dc.relation.ispartofseries | 11 | en |
dc.rights | Y | en |
dc.subject | semiconducting Si nanowires | en |
dc.subject.lcsh | semiconducting Si nanowires | en |
dc.title | Tunneling magnetoresistance in Si nanowires | en |
dc.type | Journal Article | en |
dc.type.supercollection | scholarly_publications | en |
dc.type.supercollection | refereed_publications | en |
dc.identifier.peoplefinderurl | http://people.tcd.ie/sanvitos | en |
dc.identifier.rssinternalid | 141038 | en |
dc.identifier.doi | http://dx.doi.org/10.1088/1367-2630/18/11/113024 | en |
dc.rights.ecaccessrights | openAccess | |
dc.identifier.rssuri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84996602596&doi=10.1088%2f1367-2630%2f18%2f11%2f113024&partnerID=40&md5=19223fd2026ec83912ec04c0ba11f34c | en |
dc.identifier.orcid_id | 0000-0002-1203-0077 | en |
dc.contributor.sponsor | Science Foundation Ireland (SFI) | en |
dc.contributor.sponsorGrantNumber | 14 / IA / 2624 | en |