NDLI: Direct observation of the spin polarization in Au atomic wires on Si(553)

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Direct observation of the spin polarization in Au atomic wires on Si(553)

Content Provider	Scilit
Author	Yeom, H. W. Jung, Sungwon Shin, J. S. Kim, J. Kim, K. S. Miyamoto, K. Okuda, T. Namatame, H. Kimura, Akio Taniguchi, M.
Copyright Year	2014
Description	Journal: New Journal of Physics The spin-resolved electronic band structure of Au-induced metallic atomic wires on a vicinal silicon surface, Si(553), was investigated using spin- and angle-resolved photoelectron spectroscopy. We directly measured the spin polarization of three partially filled one-dimensional metallic bands, a one-third-filled band, and the doublet of nearly half-filled bands. For the half-filled doublet, the strong apparent spin polarization was observed near the Fermi energy with a minor out-of-plane spin component. This observation is consistent with the Rashba-type spin-orbit splitting and with a recent experiment on a similar doublet of Si(557)-Au. In contrast, the one-third-filled band does not show a substantial spin polarization within the experimental accuracy, indicating a much smaller spin splitting, if any. These results are discussed for the origin of the partially filled bands and for the intriguing broken-symmetry ground state observed at low temperature.
Related Links	http://iopscience.iop.org/article/10.1088/1367-2630/16/9/093030/pdf
e-ISSN	13672630
DOI	10.1088/1367-2630/16/9/093030
Journal	New Journal of Physics
Issue Number	9
Volume Number	16
Language	English
Publisher	IOP Publishing
Publisher Date	2014-09-01
Access Restriction	Open
Subject Keyword	Journal: New Journal of Physics Applied Physics Spin Polarization Direct Observation Au Atomic Atomic Wires
Content Type	Text
Resource Type	Article

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