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Updated: Feb 15, 2026

A Sample Preparation Pipeline for Microcrystals at the VMXm Beamline
Published on: June 17, 2021
Preparation and spectral properties of europium hydrogen squarate microcrystals
T Kolev1, N Danchova2, D Shandurkov2
1Bulgarian Academy of Sciences, Institute of Mollecular Biology, 1113 Sofia, Bulgaria.
Abstract:
A simple scheme for preparation of europium hydrogen squarate octahydrate microcrystals, Eu(HSq)3·8H2O is demonstrated. The microcrystalline powders obtained have a potential application as non-centrosymmetric and UV radiation - protective hybrid optical material. The site-symmetry of the Eu - ion is C2V or lower, obtained from diffuse reflectance spectra. The formation of europium hydrogen squarate is supported by IR - spectroscopy, UV-vis spectroscopy, chemical analysis and X-ray diffraction. A detailed analysis of the UV-vis and IR spectra of the micropowders prepared is presented.
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