A graphite-based multilayer mirror for microscopy in the XANES region of biomolecules (特集光・量子場が関わるナノサイエンステクノロジー)

概要

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It is well known that transitions such as 1s-to-π* transitions possess an angular dependence. In particular, the transition is optically forbidden at the normal-incidence angle because the electric vector of X-ray is perpendicular to the π* molecular orbital. This means that compounds possessing π* molecular orbitals, such as graphite, become transparent at the normal-incidence angle. Using this optical property, we propose a design for a metal/graphite normal-incidence X-ray multilayer device. It is expected that the designed mirror will have a reflectance of 35% in the XANES region of carbon. Finally, we consider an application of the mirror to biological X-ray microscopy.
社団法人電気学会の論文
2007-09-01