Selection Rules in Resonant 4f Photoemission for Rare Earths
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概要
- 論文の詳細を見る
The difference in 4f photoemission spectrum (PES) for rare earths (RE) Nd, Gd and Dy under off-resonance and various on-resonance conditions near the 3d core threshold is discussed on the basis of an ionic model assuming trivalence. For the resonant process passing through a higher-energy intermediate state of both 3d_<5/2> and 3d_<3/2> regions, the spectral intensity in higher (lower) binding energy multiplets of 4f PES is shown to be enhanced (suppressed) compared with off-resonance spectra. This tendency is especially remarkable for Gd and heavier rare earths. An intuitive interpretation for this tendency is presented and a control of photoexcitation by tuning photon energy, which may be compared to that using a polarized photon, is shown to be feasible.
- 社団法人日本物理学会の論文
- 1995-07-15
著者
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JO Takeo
Department of Quantum Matter,ADSM,Hiroshima University
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Tanaka A
Adsm Hiroshima University
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Tanaka Arata
Department Of Quantum Matter Adsm Hiroshima University
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Tanaka Arata
Department Of Materials Science Faculty Of Science Hiroshima University
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Jo T
Department Of Quantum Matter Adsm Hiroshima University
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Jo Takeo
Department Of Materials Science Faculty Of Science Hiroshima University
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Kai M
Department Of Materials Science Faculty Of Science Hiroshima University
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Kai Masaru
Department of Materials Science, Faculty of Science, Hiroshima University
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Kai Masaru
Department Of Materials Science Faculty Of Science Hiroshima University
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