Temperature dependence of full set tensor properties of KTiOPO4 single crystal measured from one sample

Yang Zhang, Liguo Tang, Nianjing Ji, Gang Liu, Jiyang Wang, Huaidong Jiang, Wenwu Cao

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The temperature dependence of the complete set of elastic, dielectric, and piezoelectric constants of KTiOPO4 single crystal has been measured from 20 °C to 150 °C. All 17 independent constants for the mm2 symmetry piezoelectric crystal were measured from one sample using extended resonance ultrasound spectroscopy (RUS), which guaranteed the self-consistency of the matrix data. The unique characteristics of the RUS method allowed the accomplishment of such a challenging task, which could not be done by any other existing methods. It was found that the elastic constants (c 11 E, c 13 E, c 22 E, and c 33 E) and piezoelectric constants (d 15, d 24, and d 32) strongly depend on temperature, while other constants are only weakly temperature dependent in this temperature range. These as-grown single domain data allowed us to calculate the orientation dependence of elastic, dielectric, and piezoelectric properties of KTiOPO4, which are useful for finding the optimum cut for particular applications.

Original languageEnglish (US)
Article number124104
JournalJournal of Applied Physics
Issue number12
StatePublished - Mar 28 2016

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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