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Evaluation of the space charge trap energy levels in the ferroelectric films
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10.1063/1.3152797
/content/aip/journal/jap/106/1/10.1063/1.3152797
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/1/10.1063/1.3152797

Figures

Image of FIG. 1.
FIG. 1.

curves for varactor investigated at different temperatures.

Image of FIG. 2.
FIG. 2.

Schematic diagram of the microwave capacitance measurement.

Image of FIG. 3.
FIG. 3.

Response of the capacitance to a rectangular dc voltage pulse (left) and evaluation of the residual voltage that corresponds to the measured capacitance .

Image of FIG. 4.
FIG. 4.

Experimental time dependences of the charge relaxation in the FE capacitors and corresponding approximation curves using function (2): (a) Pt electrode-cathode; (b) Cu/Cr electrode-cathode.

Image of FIG. 5.
FIG. 5.

Evaluation of the trap-energy levels: Pt “−:” (a) and (b) ; Pt “:” (c) and (d) .

Tables

Generic image for table
Table I.

Time constants of the charge relaxation process.

Generic image for table
Table II.

Trap-level energies.

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/content/aip/journal/jap/106/1/10.1063/1.3152797
2009-07-13
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evaluation of the space charge trap energy levels in the ferroelectric films
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/1/10.1063/1.3152797
10.1063/1.3152797
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