dc.contributor.author | SANVITO, STEFANO | en |
dc.contributor.author | RUNGGER, IVAN | en |
dc.date.accessioned | 2014-01-29T10:37:51Z | |
dc.date.available | 2014-01-29T10:37:51Z | |
dc.date.issued | 2010 | en |
dc.date.submitted | 2010 | en |
dc.identifier.citation | Tao, K., Rungger, I., Sanvito, S., Stepanyuk, V.S., Quantum conductance of a single magnetic atom: An ab initio study, Physical Review B - Condensed Matter and Materials Physics, 82, 8, 2010, art. no. 085412 | en |
dc.identifier.other | Y | en |
dc.description | PUBLISHED | en |
dc.description.abstract | Our
ab initio
study explains recent puzzling experiments on the conductance of a single Co adatom depos-
ited either on Cu
111
or on ferromagnetic Co islands and contacted with both magnetic and nonmagnetic
electrodes
N. Neel, J. Kroger, and R. Berndt,
Phys. Rev. Lett.
102
, 086805
2009
. We provide clear evidence
that the conductance of a single atomic junction in the contact regime is close to
G
0
/
2
G
0
is the quantum of
conductance
for ferromagnetic electrodes and to
G
0
for nonmagnetic ones. Spin-dependent calculations reveal
that a conductance of
G
0
/
2 originates from a combination of partially open majority and minority channels.
The bonding between the Co adatom and the Co island reduces significantly the contribution of the minority
d
electrons to the conductance, leading to the observation of half-integer conductance | en |
dc.description.sponsorship | This work was supported by Deutsche Forschungsge-
meinschaft
SPP1153, SPP1165
. The
SMEAGOL
project
I.R.
and S.S.
is sponsored by Science Foundation of Ireland and
CRANN | en |
dc.format.extent | art. no. 085412 | en |
dc.language.iso | en | en |
dc.relation.ispartofseries | Physical Review B - Condensed Matter and Materials Physics | en |
dc.relation.ispartofseries | 82 | en |
dc.relation.ispartofseries | 8 | en |
dc.rights | Y | en |
dc.subject | Physics | en |
dc.title | Quantum conductance of a single magnetic atom: An ab initio study | 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.peoplefinderurl | http://people.tcd.ie/runggei | en |
dc.identifier.rssinternalid | 86848 | en |
dc.rights.ecaccessrights | OpenAccess | |
dc.identifier.uri | http://hdl.handle.net/2262/67942 | |