New PDF release: Electron Dynamics by Inelastic X-Ray Scattering (Oxford

By Winfried Schuelke

ISBN-10: 0198510179

ISBN-13: 9780198510178

ISBN-10: 1435620720

ISBN-13: 9781435620728

Wisdom of the dynamics of many-electron platforms is of basic value to all disciplines of condensed subject physics. a truly powerful entry to electron dynamics is accessible by way of inelastic X-ray scattering (IXS) spectroscopy. The double differential scattering go part for IXS is at once relating to the time-dependent two-particle density correlation functionality, and, for big momentum and effort move (Compton restrict) to the electron momentum distribution. furthermore, resonant inelastic X-ray scattering (RIXS) permits the research of electron dynamics through digital excitations in a truly selective demeanour (e.g. selectively spin, crystal momentum, or symmetry), in order that different tools are efficiently complemented. The growth of IXS spectroscopy is in detail relating to the transforming into variety of purposes of synchrotron radiation. the purpose of the booklet is to supply the starting to be group of researchers with debts of experimental equipment, instrumentation, and knowledge research of IXS, with consultant examples of profitable purposes, and with the theoretical framework for interpretations of the measurements.

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Additional info for Electron Dynamics by Inelastic X-Ray Scattering (Oxford Series on Synchrotron Radiation)

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1992). As an example of these studies, Fig. 6 presents S(q, ω) measurements on single-crystal Al (Sch¨ ulke et al . 1993). The sharp structures for small q have to be attributed to plasmon excitation, whereas the broader features for larger q are due to electron–hole pair excitations. 9) were utilized. g. Sch¨ ulke et al . 1988b). In this connection a study (Caliebe et al . 2000) should be stressed, where the crystal momentum corresponding to an indirect band gap was read directly from the spectra taken on diamond.

Element Material Ref. Edge Chief object 4 He Li Li solid, hcp Li metal Li metal (1) (2) (3) (4) (5) K K K Li LiC6 (6) K Be C Be metal graphite (3) (3) (7) K K C C (8) K (9) (10) (11) (12) (13) (14) (15) (16) K K K B B, N graphite fused-ring aromatics C60 liquid H2 O, ice BN BN Frenkel-type exciton comparison with soft XAS dipole to multipole transition van Hove singularities, interlayer states q orientation dependence symmetry projections of the DOS EXAFS K K B F Be Fe,Cu B4 C LiF BeO metal (17) (18) (19) (20) K K K K Cu,Zr metal (21) K Cu metal (22) K Cu metal (23) K Ag metal (24) K C O near-edge fine structure sp2 carbon network EXAFS, hydrogen bond network near-edge fine structure near-edge fine structure, high-pressure core exciton, q-dependence near-edge fine structure core exciton γ-source, coincidence technique γ-source, coincidence technique W K-radiation, coincidence techn.

A further step forward in the (γ, eγ) technique was made by Itou et al. (1999), who measured, on graphite, not only the Doppler broadening of the scattered photon energy but, in coincidence, also the energy distribution of the recoil electrons by means of a time-of-flight analysis. By means of the plot shown in Fig. 13, which correlates the energy of the scattered photons and the energy of the recoil electrons measured in coincidence, the influence of the binding energy of the 1s electrons of carbon becomes evident.

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Electron Dynamics by Inelastic X-Ray Scattering (Oxford Series on Synchrotron Radiation) by Winfried Schuelke


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