Spin structure of the Shockley surface state on Au ( 111 )
Open accessAbstract
The free-electron like surface state on the (111) surface of gold shows a splitting into two parabolic subbands induced by the spin orbit interaction. Spin-resolved high-resolution photoemission experiments performed with a full three-dimensional spin polarimeter provide a detailed image of the resulting spin structure. In particular, spin-resolved momentum distribution maps show that the spin vector lies in the surface plane and is perpendicular to the momentum of the electrons as expected in a free-electron model. This method of measuring the spin structure of a two-dimensional electron gas allows the observation of the direction of electric fields as probed by the electrons. Although the energy splitting can only be understood as a consequence of strong atomic electric fields, no modulation of the spin direction due to these fields is detected.
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- Authors
- Hoesch, M., Muntwiler, M., Petrov, V. N., Hengsberger, M., Patthey, L., Shi, M., Falub, M., Greber, T., & Osterwalder, J.
- Affiliations
- University of Zurich (CH)
- Paul Scherrer Institute (CH)
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2004-06-17
- Volume
- 69
- Issue
- 24
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2015250971
- Cited by
- 321
- References
- 12
- Citations by year
- 2026: 10 · 2025: 9 · 2024: 7 · 2023: 12 · 2022: 16 · 2021: 16 · 2020: 15 · 2019: 7 · 2018: 12 · 2017: 21 · 2016: 22 · 2015: 23 · 2014: 25 · 2013: 27 · 2012: 23
- FWCI
- 3.67
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Physical Review B (publishedVersion)
- DORA PSI (Paul Scherrer Institute) (submittedVersion, other-oa)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Surface and Thin Film Phenomena
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Topological Materials and Phenomena
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Magnetic properties of thin films
- Keywords
- Shockley surface states, Au(111), spin structure, spin-orbit coupling, spin-resolved photoemission, two-dimensional electron gas
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