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Surface charge dynamics on ferroelectric films responding to the switching bias of electric force microscope
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10.1063/1.3124077
/content/aip/journal/apl/94/16/10.1063/1.3124077
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/16/10.1063/1.3124077
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The EFM images of the PZT thin film after switching ferroelectric polarization bits with writing bias voltages of ±10 V. The reversal of the EFM signals was observed within (a) several microseconds for the writing bias voltage of 10 V and (b) several milliseconds for the writing bias voltage of −10 V.

Image of FIG. 2.
FIG. 2.

The surface potential as a function of writing time for the ferroelectric polarization bits with (a) negative (−3, −5, and −10 V) and (b) positive (3, 5, and 10 V) writing bias voltages.

Image of FIG. 3.
FIG. 3.

The schematic drawing of switching ferroelectric domains by an EFM tip. (a) Two oppositively polarized domains with different surface charges for positive and negative tip biases. (b) The EFM surface potential reversal by screening of the polarization charges by the surface charges (electrons for a negative tip bias).

Image of FIG. 4.
FIG. 4.

The size of the ferroelectric polarization bit as a function of writing time.

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/content/aip/journal/apl/94/16/10.1063/1.3124077
2009-04-21
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Surface charge dynamics on ferroelectric PbZr0.48Ti0.52O3 films responding to the switching bias of electric force microscope
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/16/10.1063/1.3124077
10.1063/1.3124077
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