X-ray Raman scattering from the carbon K edge in polymerized C-60: experiment and theory

resumo

The carbon K near-edge absorption spectra of one- and two-dimensional polymerized C-60 have been investigated by non-resonant inelastic scattering in the hard-x-ray regime. The observed changes in the spectra are in good agreement with simulations based on an ab initio approach using the finite-difference method, and confirm the [2 + 2] cyclo-addition picture. bur results demonstrate the value of inelastic x-ray scattering as a bulk probe of electronic structure in systems that are difficult to study with conventional x-ray absorption techniques.

palavras-chave

BAND-STRUCTURE; HIGH-PRESSURE; SOLID C-60; ABSORPTION; FILMS

categoria

Physics

autores

Rueff, JP; Joly, Y; Bartolome, F; Krisch, M; Hodeau, JL; Marques, L; Mezouar, M; Kaprolat, A; Lorenzen, M; Sette, F

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