Abstract

L3 subshell fluorescence yields (ω3) have been determined experimentally for the compounds of Hg, Pb, and Bi and Pb element using Indus-2 synchrotron radiation available at RRCAT, India. Compounds with the same chemical bonding and oxidation state but different crystal structure have been selected in the present investigation to understand the effect of solid-state environment on ω3. The characteristic L X-ray spectra of the element and compounds were generated by synchrotron radiation and then recorded with a Vortex-90EX silicon drift detector. By measuring intensities of the characteristic Lα X-ray photons, the ω3 have been determined and compared with theoretical values and other available experimental values. Comparison between the experimental and the theoretical values indicates that the solid-state environment plays a significant role on the ω3 for the selected compounds.

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