We present low-temperature measurements of the refractive index of cryofilms of tetrachloromethane and 1,1,1,2-tetrafluoroethane at different condensation and measurement temperatures between 16 and 130 K. Using cryovacuum condensation, we have been able to obtain thin films in an amorphous state for both substances despite them being very bad glass formers. Then, we have studied the evolution of the refractive index with an increasing temperature, including by transitions to ordered or partially disordered crystalline states.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7254780 | PMC |
| http://dx.doi.org/10.1021/acsomega.0c00969 | DOI Listing |
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