Spin-polarized surface states on Br/Ge(111)-(1 × 1): Surface spin polarization without heavy elements
We have investigated the atomic and electronic structure of the Br/Ge(111)(1 x 1) surface. A couple of surface bands were found near the bulk valence band maximum by angle-resolved photoelectron spectroscopy (ARPES). Spin-resolved ARPES (SARPES) experiments showed that these surface bands are spin p...
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| Veröffentlicht in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-10, Vol.86 (16), Article 165325 |
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| container_title | Physical review. B, Condensed matter and materials physics |
| container_volume | 86 |
| creator | Ohtsubo, Yoshiyuki Hatta, Shinichiro Kawai, Nobuhiko Mori, Akinobu Takeichi, Yasuo Yaji, Koichiro Okuyama, Hiroshi Aruga, Tetsuya |
| description | We have investigated the atomic and electronic structure of the Br/Ge(111)(1 x 1) surface. A couple of surface bands were found near the bulk valence band maximum by angle-resolved photoelectron spectroscopy (ARPES). Spin-resolved ARPES (SARPES) experiments showed that these surface bands are spin polarized. The results of the first-principles calculation based on the atomic structure determined by low-energy electron diffraction are in good agreement with the ARPES and SARPES results. The present result clearly shows that the significant spin polarization of the surface electronic states due to the Rashba spin-orbit interaction can be obtained without heavy elements belonging to the fifth or higher rows of the periodic table. |
| doi_str_mv | 10.1103/PhysRevB.86.165325 |
| format | Article |
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A couple of surface bands were found near the bulk valence band maximum by angle-resolved photoelectron spectroscopy (ARPES). Spin-resolved ARPES (SARPES) experiments showed that these surface bands are spin polarized. The results of the first-principles calculation based on the atomic structure determined by low-energy electron diffraction are in good agreement with the ARPES and SARPES results. The present result clearly shows that the significant spin polarization of the surface electronic states due to the Rashba spin-orbit interaction can be obtained without heavy elements belonging to the fifth or higher rows of the periodic table.</description><identifier>ISSN: 1098-0121</identifier><identifier>EISSN: 1550-235X</identifier><identifier>DOI: 10.1103/PhysRevB.86.165325</identifier><language>eng</language><subject>Atomic structure ; Band spectra ; Bands ; Condensed matter ; Heavy elements ; Mathematical analysis ; Periodic table ; Polarization</subject><ispartof>Physical review. 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Spin-resolved ARPES (SARPES) experiments showed that these surface bands are spin polarized. The results of the first-principles calculation based on the atomic structure determined by low-energy electron diffraction are in good agreement with the ARPES and SARPES results. The present result clearly shows that the significant spin polarization of the surface electronic states due to the Rashba spin-orbit interaction can be obtained without heavy elements belonging to the fifth or higher rows of the periodic table.</abstract><doi>10.1103/PhysRevB.86.165325</doi></addata></record> |
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| ispartof | Physical review. B, Condensed matter and materials physics, 2012-10, Vol.86 (16), Article 165325 |
| issn | 1098-0121 1550-235X |
| language | eng |
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| source | American Physical Society Journals |
| subjects | Atomic structure Band spectra Bands Condensed matter Heavy elements Mathematical analysis Periodic table Polarization |
| title | Spin-polarized surface states on Br/Ge(111)-(1 × 1): Surface spin polarization without heavy elements |
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