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Experiment (Dielectric) - PowerPoint PPT Presentation


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Experiment (Dielectric). Dewetting. Insoluble. Insoluble. Insoluble. Experiment (Al 2 O 3 ). * Leakage current at 1MV/cm. Al 2 O 3 Al 2 O 3 C HfO 2 C. Experiment. ZrO 2 ZrCl 4 : (Ammonium nitrate + Urea) 1) Ref. 2) 20% more fuel 3) 50% more fuel 4) 100% more fuel.

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Presentation Transcript
slide1

Experiment (Dielectric)

Dewetting

Insoluble

Insoluble

Insoluble

slide2

Experiment (Al2O3)

* Leakage current at 1MV/cm

Al2O3

Al2O3 C

HfO2 C

slide3

Experiment

ZrO2

ZrCl4 : (Ammonium nitrate + Urea)

1) Ref. 2) 20% more fuel 3) 50% more fuel 4) 100% more fuel

Leakage current density

2 ≤ 1 ≤ 3 < 4

slide4

Experiment (Al2O3-urea)

* Leakage current at 0.1MV/cm * k~8

Al2O3 x1

Al2O3 x2

Al2O3 x3

slide5

Experiment

Al2O3Acac

Al2O3 ref.

Al2O3 Urea

HfO2 ref.

HfO2 Urea

slide6

Experiment

Ammonium

water

Aging

Clear nanosheet suspension

Aluminum nitrate + Urea

Clear solution

Pricipitatedhydrogels

slide7

Experiment (Al2O3-urea)

Al2O3 ref.

Al2O3 – urea (without NH4OH)

1x coating

2x coating

slide8

Experiment (Al2O3-urea)

NDR(Negative Differential Resistivity)?

slide10

Experiment (Al2O3-urea)

Next week

* Temperature 250°C → 500°C

ex) applications

Crystalline dielectrics (SBA, etc.)

Ferroelectrics (PZT, etc.)

Temperature measurement

FLIR Raman

slide11

Experiment (Al2O3-urea)

Leakage current density (250°C)

Reference

Combustion

slide12

Experiment (Al2O3-urea)

Leakage current density (350°C)

Reference

Combustion

slide13

Experiment (Al2O3-urea)

Leakage current density (500°C)

Reference

Combustion

slide14

Experiment (Al2O3-urea)

Leakage current density (600°C)

Reference

Combustion