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Spatial and temporal studies of laser ablated ZnO plasma
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View: Figures


Image of FIG. 1.
FIG. 1.

Wavelength dispersed emission spectrum of plume recorded at 5 mm away from the target surface, laser fluence being and ambient gas pressure 0.03 mbar. Inset: lines in the range of 740– 775 nm.

Image of FIG. 2.
FIG. 2.

The spatial variation in integral intensities of (468.01 nm), (417. 20 nm), and (777.5 nm) obtained from spectra recorded at a laser fluence of and partial pressure of 0.03 mbar.

Image of FIG. 3.
FIG. 3.

Spatial variations of electron density as a function of substrate temperature with laser fluence at and ambient gas pressure 0.01 mbar

Image of FIG. 4.
FIG. 4.

The spatial variations in TOF transients of emission feature at 472.215 nm, recorded at a laser fluence of and the ambient gas pressure of 0.1 mbar

Image of FIG. 5.
FIG. 5.

The spatial variations of velocities of neutral zinc, gallium, and oxygen deduced from the TOF transients recorded at and the ambient gas pressure of 0.1 mbar.

Image of FIG. 6.
FIG. 6.

The TOF transients of 417.20 nm emission line of recorded at (a) 0.0001 mbar and (b) 0.1 mbar ambient gas pressures and laser fluence of . Inset: The variation in velocities of , , and with ambient pressure.

Image of FIG. 7.
FIG. 7.

The XRD pattern of ZnO film deposited on at substrate temperature of . The inset shows the variation in FWHM of XRD pattern and growth rate of ZnO films deposited at various temperatures.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spatial and temporal studies of laser ablated ZnO plasma