https://digitalcommons.unl.edu/cmrafacpub/39/
"Determination of third-order elastic constants of langasite single cr" by Haifeng Zhang, Joseph A....
Langasite resonators are of recent interest for a variety of applications because of their good temperature behavior, good piezoelectric coupling, low acoustic...
https://www.nist.gov/publications/acoustic-loss-langasite-and-langanite
Acoustic Loss in Langasite and Langanite | NIST
Feb 17, 2017 - Resonant ultrasonic loss 1/Q in plano-convex unplated Y-cut disks of langasite and langanite were measured as a function of freqeuncy and temperature with the a
acousticlossnist