表面科学
Online ISSN : 1881-4743
Print ISSN : 0388-5321
ISSN-L : 0388-5321
W4ƒ準位からのスピン分極光電子回折
中山 健太郎小西 健久藤川 高志Peter RENNERT
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ジャーナル フリー

1999 年 20 巻 8 号 p. 504-508

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So far, most of the experimental results for the core-level spin-resolved photoemission from non-magnetic materials have been interpreted by a simple free-atom model. However, the multiple scattering exerts some influence on the spin polarization. We thus have theoretically investigated the effect of multiple scattering on the spin polarization in W4ƒ photoemission spectra from W(110) surface. The present multiple scattering calculation improves the agreement with the experimental results in comparison with the calculation using the free-atom model. To understand the effect of multiple scattering on spin polarization, we calculated the spin polarization from emitter atoms in the individual surface layers. We found that the forward scattering plays an important role. We also studied the effect of thermal factor on spin polarization, and found that it was quite small.

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