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Dynamic Structure Factor of Diamond and LiF Measured Using Inelastic X-Ray Scattering



W A. Caliebe, J A. Soininen, Eric L. Shirley, C C. Kao, K Hamalainen


The dynamic structure factors S(q,ω) of diamond and LiF have been measured using inelastic x-ray scattering. The experimental data are compared to results of ab initio calculations, which take into account the interaction of the excited electron with the remaining hole. In diamond, the vicinity of the indirect band gap and its momentum dependence are studied. In LiF, a larger energy range, which covers the fundamental excition, the plasmon, and several interband transitions, is investigated. Calculations and measurements agree quite well and emphasize the need to properly include the interaction of the excited electron in the conduction band with the hole in the valence band.
Physical Review Letters
No. 17


diamond, dynamic structure factor, inelastic, LiF, x-ray


Caliebe, W. , Soininen, J. , Shirley, E. , Kao, C. and Hamalainen, K. (2000), Dynamic Structure Factor of Diamond and LiF Measured Using Inelastic X-Ray Scattering, Physical Review Letters (Accessed June 24, 2024)


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Created March 31, 2000, Updated October 12, 2021