Period-Doubling Nonlinear Piezoelectric Oscillations in KH2PO4 Crystal near Ferroelectric Transition

Abstract
45° c-cut KDP crystal is observed to form a nonlinear RCL circuit, which shows period-doubling phenomena. The period doubling in KDP was best observed at temperature near T c, at frequencies of anti-resonance piezoelectric oscillation, and either at high driving voltages or under d.c. bias.

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