Articles | Volume 3, issue 2
Magn. Reson., 3, 211–220, 2022
https://doi.org/10.5194/mr-3-211-2022
Magn. Reson., 3, 211–220, 2022
https://doi.org/10.5194/mr-3-211-2022
Research article
22 Nov 2022
Research article | 22 Nov 2022

Mechanical ordering of pigment crystallites in oil binder: can electron paramagnetic resonance reveal the gesture of an artist?

Elise Garel et al.

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Field: EPR | Topic: Applications – materials
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Cited articles

Aasa, R. and Vänngård, T.: EPR signal intensity and powder shapes: A reexamination, J. Magn. Reson., 19, 308–315, https://doi.org/10.1016/0022-2364(75)90045-1, 1975. 
Binet, L., Lizion, J., Bertaina, S., and Gourier, D.: Magnetic and New Optical Properties in the UV–visible Range of the Egyptian Blue Pigment Cuprorivaite CaCuSi4O10, J. Phys. Chem. C, 15, 25189–25196, https://doi.org/10.1021/acs.jpcc.1c06060, 2021. 
Binet, L., Gourier, D., and Garel, E.: Data-MR_paper-Garel_Binet_Gourier, V1, Mendeley Data [data set], https://doi.org/10.17632/bwjy757vfs.1, 2022a. 
Binet, L., Garel, E., and Gourier, D.: Matlab_script_MR_paper_Garel_Binet_Gourier, V1, Mendeley Data [data set], https://doi.org/10.17632/bdxrcmst37.1, 2022b. 
Bloise, A., Abd El Salam, S., De Luca, R., Crisci, G. M., and Miriello, D.: Flux growth and characterization of cuprorivaite: the influence of temperature, flux, and silica source, Appl. Phys. A 122, 650, https://doi.org/10.1007/s00339-016-0198-1, 2016. 
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Short summary
Could the gesture of an ancient artist applying a paint layer be reconstructed using EPR analysis? In the case of an inorganic pigment widely used in antiquity, Egyptian blue, where the anisotropy of the Cu2+ EPR signal reflects the symmetry of the pigment crystallites, we have shown that the orientation distribution of the grains, as revealed by simulation of EPR spectra, is indeed influenced by the nature of the gesture.