Pulse echo and combined resonance techniques: a full set of LGT acoustic wave constants and temperature coefficients

@article{Sturtevant2009PulseEA,
  title={Pulse echo and combined resonance techniques: a full set of LGT acoustic wave constants and temperature coefficients},
  author={B. Sturtevant and P. M. Davulis and M. P. da Cunha},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
  year={2009},
  volume={56}
}
This work reports on the determination of langatate elastic and piezoelectric constants and their associated temperature coefficients employing 2 independent methods, the pulse echo overlap (PEO) and a combined resonance technique (CRT) to measure bulk acoustic wave (BAW) phase velocities. Details on the measurement techniques are provided and discussed, including the analysis of the couplant material in the PEO technique used to couple signal to the sample, which showed to be an order of… CONTINUE READING

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