Intermediate valence in YbAl3 and EuCu2Si2 by X-ray Photoemission (XPS)
β Scribed by K.H.J. Buschow; M. Campagna; G.K. Wertheim
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 382 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0038-1098
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The europium valence for EuCu 1.75 P 2 is examined by Eu MoK ssbauer spectroscopy and Eu L III -edge X-ray absorption spectroscopy. On the basis of previous measurements of related phases with the ThCr 2 Si 2 structure-type, the europium valence in EuCu 1.75 P 2 is expected to be intermediate valent
Valence-band photoemission and S L X-ray emission spectroscopies have been performed for CuIr 2 S 4 in order to investigate the electronic structure of the valence band. A structure around 1 eV below the Fermi level in the photoemission spectrum consists of Ir 5d as well as S 3p by taking into accou