Decay Processes of Si 2s Core Holes in Si(111)-7 x 7 Revealed by Si Auger Electron Si 2s Photoelectron Coincidence Measurements
Decay processes of Si 2s core holes in a clean Si(111)-7 x 7 surface are investigated using coincidence measurements of Si Auger electrons and Si 2s photoelectrons at a photon energy of 180 eV. We show that Si 2s core holes exhibit two nonradiative decay processes: the first being a Si ... Coster-Kr...
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| Veröffentlicht in: | Journal of the Physical Society of Japan 2014-09, Vol.83 (9), p.1-1 |
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| container_title | Journal of the Physical Society of Japan |
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| creator | Mase, Kazuhiko Hiraga, Kenta Arae, Sadanori Kanemura, Rui Takano, Yusaku Yanase, Kotaro Ogashiwa, Yosuke Shohata, Nariaki Kanayama, Noritsugu Kakiuchi, Takuhiro Ohno, Shinya Sekiba, Daiichiro Okudaira, Koji K Okusawa, Makoto Tanaka, Masatoshi |
| description | Decay processes of Si 2s core holes in a clean Si(111)-7 x 7 surface are investigated using coincidence measurements of Si Auger electrons and Si 2s photoelectrons at a photon energy of 180 eV. We show that Si 2s core holes exhibit two nonradiative decay processes: the first being a Si ... Coster-Kronig transition followed by delocalization of the valence hole and Si L23VV Auger decay, and the second being Si L1VV Auger decay. The branching ratio of the Si ... Coster-Kronig transition to the Si L1VV Auger decay is estimated to be 96.7% ± 0.4% to 3.2% ± 0.4%. (ProQuest: ... denotes formulae/symbols omitted.) |
| doi_str_mv | 10.7566/JPSJ.83.094704 |
| format | Article |
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We show that Si 2s core holes exhibit two nonradiative decay processes: the first being a Si ... Coster-Kronig transition followed by delocalization of the valence hole and Si L23VV Auger decay, and the second being Si L1VV Auger decay. The branching ratio of the Si ... Coster-Kronig transition to the Si L1VV Auger decay is estimated to be 96.7% ± 0.4% to 3.2% ± 0.4%. 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We show that Si 2s core holes exhibit two nonradiative decay processes: the first being a Si ... Coster-Kronig transition followed by delocalization of the valence hole and Si L23VV Auger decay, and the second being Si L1VV Auger decay. The branching ratio of the Si ... Coster-Kronig transition to the Si L1VV Auger decay is estimated to be 96.7% ± 0.4% to 3.2% ± 0.4%. 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| subjects | Augers Decay Electrons Energy use Measurement Photoelectrons Photons Physics Silicon Symbols |
| title | Decay Processes of Si 2s Core Holes in Si(111)-7 x 7 Revealed by Si Auger Electron Si 2s Photoelectron Coincidence Measurements |
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