2024-03-28T21:34:27Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1020452019-03-05T08:10:54Zcom_10261_115com_10261_3col_10261_368
DIGITAL.CSIC
author
Rybkin, Artem G.
author
Krasovskii, E. E.
author
Marchenko, Dmitry
author
Chulkov, Eugene V.
author
Varykhalov, A. Yu.
author
Rader, O.
author
Shikin, Alexander M.
funder
Universidad del País Vasco
funder
Saint Petersburg State University
funder
Helmholtz-Zentrum Berlin for Materials and Energy
funder
Ministerio de Ciencia e Innovación (España)
2014-09-12T09:27:24Z
2014-09-12T09:27:24Z
2012
Physical Review B 86: 035117 (2012)
http://hdl.handle.net/10261/102045
10.1103/PhysRevB.86.035117
http://dx.doi.org/10.13039/501100004285http://dx.doi.org/10.13039/501100004837http://dx.doi.org/10.13039/100013110
The spin polarization of W(110) and Al/W(110) surfaces is studied by spin- and angle-resolved photoemission. On both surfaces distinct E(k) dispersions are identified with an unusual topology: A single spectral branch is spin polarized antisymmetrically relative to the Γ̄ point, and two spin-polarized branches cross at Γ̄. The crossing branches disperse linearly but this similarity to a Dirac cone is lost after deposition of the Al, where they acquire a parabolic dispersion. Based on ab initio one-step photoemission theory, we show that the measured spin polarization is a property of the ground state and identify the effect as the counterpart of the recently discovered Rashba polarization of bulk states at the surface, but with a distinct non-Rashba topology. © 2012 American Physical Society.
eng
openAccess
Topology of spin polarization of the 5d states on W(110) and Al/W(110) surfaces
artículo
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URL
https://digital.csic.es/bitstream/10261/102045/1/Topology%20of%20spin.pdf
File
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Topology of spin.pdf
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https://digital.csic.es/bitstream/10261/102045/5/Topology%20of%20spin.pdf.txt
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text/plain
Topology of spin.pdf.txt
URL
https://digital.csic.es/bitstream/10261/102045/5/Topology%20of%20spin.pdf.txt
File
MD5
70d419b69573a359b6a85ab7a2dda66a
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text/plain
Topology of spin.pdf.txt