polarization hysteresis curve measurement for an au/pzt/ybco device by double pulse technique

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چکیده

polarization for au/pb(zr ti )o /yba cu o ferroelectric capacitor has been studied and measured by pulse method. a sequence of pulses with amplitudes varying from 0 to 10 volts in 2 volt steps is applied and a conventional polarization curve is obtained by integrating the charge flow from the polarization switching induced by the voltage ramp. a value of 25?c/cm2 is measured for the saturated polarization from the hysteresis curve. the polarization retention is also measured at 200°c for the device and the polarization change over 24 hours was about 5.7%.

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عنوان ژورنال:
journal of sciences islamic republic of iran

جلد ۹، شماره ۲، صفحات ۰-۰

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