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Effect of heavy ions irradiation on the properties of benzil crystals
Author(s) -
Stanculescu Florin,
Socol Marcela,
Matei Elena,
Stanculescu Anca
Publication year - 2017
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.201700047
Subject(s) - benzil , irradiation , materials science , ion , photoluminescence , ingot , surface roughness , infrared , surface finish , diffraction , analytical chemistry (journal) , optics , optoelectronics , composite material , chemistry , organic chemistry , physics , alloy , nuclear physics , catalysis
Thick slices mechanically polished cut from a pure benzil ingot grown from melt in a modified Bridgman‐Stockbarger configuration were irradiated with Ni ions having a specific energy of 11.4 MeV/u at different fluences. The effect of radiation on the properties of bulk benzil has been investigated. The chemical structure was not substantially affected as shown by infrared spectrum. The changes induced on the disorder degree have been evaluated from the Urbach law and X Ray Diffraction measurements. The morphology and surface topography have been analyzed emphasising a decrease in the size of granules and an increase in the surface roughness by irradiation. No effect of irradiation on the photoluminescence emission and optical nonlinear properties has been evidenced. These results recommend benzil as candidate for applications in space technology.