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Integrated Ferroelectrics
An International Journal
Volume 73, 2005 - Issue 1
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SECTION B: TESTING AND CHARACTERIZATION

FERROELECTRIC SWITCHING DYNAMICS AND PULSE-SWITCHING POLARIZATION MEASUREMENTS

, , , &
Pages 115-121 | Received 17 Apr 2005, Published online: 11 Oct 2011
 

ABSTRACT

Pulse switching properties were studied in polycrystalline Pb(Zr,Ti)O3 capacitors to check a recently proposed nucleation limited switching (NLS) model, where very wide switching was observed. The backing-switching responses (P b) at the end of writing pulses were studied to understand the role of writing pulse together with switching polarization (Δ P). The P bP, with high enough write voltage, is almost independent of writing pulse width (t w), even though Δ P is observed to increase with increasing t w. From these results, it is concluded that the NLS dynamics are attributed to the switching and poling processes with external fields around coercive fields.

Acknowledgment

This work was supported by a Korea Research Foundation Grant (KRF-2000-005-Y00070). We thank Samsung Advanced Institute of Technology and Samsung Electronics for providing PZT samples for measurements.

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