This title appears in the Scientific Report :
2012
Please use the identifier:
http://dx.doi.org/10.1103/PhysRevLett.108.066804 in citations.
Please use the identifier: http://hdl.handle.net/2128/7422 in citations.
Ir(111) Surface State with Giant Rashba Splitting Persists under Graphene in Air
Ir(111) Surface State with Giant Rashba Splitting Persists under Graphene in Air
We reveal a giant Rashba effect (alpha(R) approximate to 1.3 eV angstrom) on a surface state of Ir(111) by angle-resolved photoemission and by density functional theory. It is demonstrated that the existence of the surface state, its spin polarization, and the size of its Rashba-type spin-orbit spli...
Saved in:
Personal Name(s): | Varykhalov, A. |
---|---|
Marchenko, D. / Scholz, M. R. / Rienks, E. D. L. / Kim, T. K. / Bihlmayer, G. / Sánchez-Barriga, J. / Rader, O. | |
Contributing Institute: |
Quanten-Theorie der Materialien; IAS-1 Quanten-Theorie der Materialien; PGI-1 |
Published in: | Physical review letters, 108 (2012) S. 066804 |
Imprint: |
College Park, Md.
APS
2012
|
Physical Description: |
066804 |
DOI: |
10.1103/PhysRevLett.108.066804 |
Document Type: |
Journal Article |
Research Program: |
Grundlagen für zukünftige Informationstechnologien |
Series Title: |
Physical Review Letters
108 |
Subject (ZB): | |
Link: |
Get full text OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://hdl.handle.net/2128/7422 in citations.
We reveal a giant Rashba effect (alpha(R) approximate to 1.3 eV angstrom) on a surface state of Ir(111) by angle-resolved photoemission and by density functional theory. It is demonstrated that the existence of the surface state, its spin polarization, and the size of its Rashba-type spin-orbit splitting remain unaffected when Ir is covered with graphene. The graphene protection is, in turn, sufficient for the spin-split surface state to survive in ambient atmosphere. We discuss this result along with indications for a topological protection of the surface state. |