Low-energy excitations in the mixed crystal Ba1-xLaxF2+x

David G. Cahill, R. O. Pohl

Research output: Contribution to journalArticlepeer-review


We have studied the evolution of a glasslike distribution and density of low-energy excitations in the mixed crystal Ba1-xLaxF2+x. Increase in the concentration x from 0 to 0.46 gradually changes the behavior of the low-temperature thermal conductivity, specific heat, and internal friction from those of a pure crystal to the characteristic properties of an amorphous solid.

Original languageEnglish (US)
Pages (from-to)10477-10480
Number of pages4
JournalPhysical Review B
Issue number14
StatePublished - 1989
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics


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