Ruthenium L II  and rhodium L II,III  X‐ray absorption‐edge structures | Zendy

Sugiura C. | Zendy; Kitamura M. | Zendy; Muramatsu S. | Zendy

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Ruthenium L II and rhodium L II,III X‐ray absorption‐edge structures

Author(s) -

Sugiura C.,

Kitamura M.,

Muramatsu S.

Publication year - 1987

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221400233

Subject(s) - rhodium , absorption spectroscopy , absorption edge , ruthenium , chemistry , ion , crystallography , spectral line , absorption (acoustics) , analytical chemistry (journal) , materials science , physics , catalysis , band gap , optics , biochemistry , optoelectronics , organic chemistry , chromatography , astronomy

The Ru L II absorption‐edge spectra of Ru(NH 3 ) 6 Cl 3 , K 3 RuCl 6 , and RuCl 3 · n H 2 O and the Rh L II absorption‐edge spectra of (NH 4 ) 3 RhCl 6 and RhCl 3 · 3 H 2 O are measured together with the Rh L III absorption‐edge spectrum from RhCl 3 · 3 H 2 O, using a 50 cm bent crystal vacuum spectrograph. The RuCl 3 · n H 2 O spectrum exhibits a double‐peaked L II ‐edge structure, while the other spectra are characterized by an intense „white line” at the L II or L III edge. The Ru L II and Rh L II,III absorption‐edge structures are discussed by referring to atomic transition energies in Ru 3+ , Ru 4+ , and Rh 3+ ions calculated on the basis of a self‐consistent‐field (SCF) method. From these calculated results, it is shown that the double‐peaked L II ‐edge structure can be attributed to the 2p 1/2 → 4d transitions in the Ru 3+ and Ru 4+ ions.

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