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Caption : fig. s1 exemplar uranium oxide particulates.

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Caption : fig. s2 internal morphology of an exemplar uranium oxide particulate, obtained by fib-sem.

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Caption : fig. s3 exemplar particulates of 1% th/u ratio.

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Caption : fig. s4 internal morphology of an exemplar 1% th/u particulate, obtained by fib-sem.

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Caption : fig. s5 exemplar particulates of 10% th/u ratio.

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Caption : fig. s6 internal morphology of an exemplar 10% th/u particulate, obtained by fib-sem.

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Caption : fig. s7 representative raman spectra of uranium oxide particles synthesized with 600° c calcination temperatures. spectra were acquired with a renishaw invia reflex confocal raman spectrometer and 514 nm laser.

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Caption : fig. s8 representative raman spectra of 1% thorium oxide/uranium oxide particles synthesized with 600 °c calcination temperatures. spectra were acquired with a renishaw invia reflex confocal raman spectrometer and 514 nm laser.

File Name : si_figures9.pdf

Caption : fig. s9 representative raman spectra of 10% thorium oxide/uranium oxide particles synthesized with 600 °c calcination temperatures. spectra were acquired with a renishaw invia reflex confocal raman spectrometer and 514 nm laser.