Lead fluoroborate glasses

Abstract
Glasses containing up to 60‐mol % PbF2 have been made in the binary system PbF2‐B2O3. The glass transformation and crystallization temperatures, thermal expansion behavior, and electrical conductivity of these glasses have been measured. A corresponding series of lead borate glasses were also studied to provide a basis for comparison of the effects of fluorine and oxygen on the properties of these glasses. The lead fluoroborate glasses appear to be anion conductors, with conductivities approaching the highest ever reported for fluorine conducting glasses.

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