Electrophoretic Deposition of Rochelle Salt on Cu2O Plate

A new method for electrophoretic deposition of piezolayers is developed. Rochelle Salt is deposited over a plate of Cu2O at a voltage of 7 V for 5 minutes. The investigation using scanning electron microscopy showed that a nanosized sublayer of microscopic crystals was grown. The generated voltage is with 622 mV amplitude. The obtained piezo module d33 is 223.1 pC/N which is comparable to the state-of-the-art deposition methods.