期刊
COORDINATION CHEMISTRY REVIEWS
卷 249, 期 1-2, 页码 65-95出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2004.04.011
关键词
X-ray fluorescence; X-ray absorption; resonant inelastic X-ray scattering; 3d transition metal; multiplet theory; electronic structured; chemical bonding
The creation of a 1s core hole in a 3d transition metal ion gives rise to an emission spectrum that can be recorded using a crystal analyzer. K shell X-ray spectroscopy using an analyser energy bandwidth of similar to 1eV is sensitive to electron-electron interactions and orbital splittings and preserves the advantages of the hard X-ray probe. We review recent developments in Kalpha and Kbeta spectroscopy and show how the chemical sensitivity of the fluorescence lines can be exploited for selective X-ray absorption studies. When the photo excitation energy is tuned close to the K edge threshold, the phenomenon known as X-ray resonant Raman or resonant inelastic X-ray scattering (RIXS) occurs. RIXS spectroscopy on 3d transition metals at the 1s resonances with lowest incident energies (K pre-edge) is a very recent technique. We discuss basic aspects and demonstrate with several examples its potential as a future routine spectroscopic tool. (C) 2004 Elsevier B.V. All rights reserved.
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