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Journal of microscopy

SNOM images of X-ray radiographs at nano-scale stored in a thin layer of lithium fluoride.


PMID 18331500

Abstract

In this work, we report a method to observe soft X-ray radiographs at nanoscale of various kind of samples, biological and metallic, stored in a thin layer of lithium fluoride, employing scanning near-field optical microscopy with an optical resolution that reaches 50 nm. Lithium fluoride material works as a novel image detector for X-ray nano-radiographs, due to the fact that extreme ultraviolet radiation and soft X-rays efficiently produce stable point defects emitting optically stimulated visible luminescence in a thin surface layer. The bi-dimensional distribution of the so-created defects depends on the local nanostructure of the investigated sample.

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62497
Lithium fluoride, BioUltra, ≥99.0% (F)
FLi