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Influence of pressure on the Pt nanoparticle growth modes during pulsed laser ablation
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10.1063/1.3463204
/content/aip/journal/jap/108/3/10.1063/1.3463204
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/3/10.1063/1.3463204
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TEM image of Pt nanoparticles prepared by pulsed laser ablation in water. The inset shows the size distribution of the Pt nanoparticles.

Image of FIG. 2.
FIG. 2.

SEM and STM images of Pt films deposited at He pressure varying from to 11 Torr.

Image of FIG. 3.
FIG. 3.

XRD patterns of Pt films deposited at various He pressures.

Image of FIG. 4.
FIG. 4.

Size of the Pt nanoparticle as a function of the He pressure in the deposition chamber. For PLD in He, the thickness of the films was 300 nm in all cases.

Image of FIG. 5.
FIG. 5.

Variation in the Pt film density as a function of He pressure.

Image of FIG. 6.
FIG. 6.

(a) Flight distance as a function of the TOF of the plasma front in vacuum and under 500 mTorr of He. (b) Velocity of the plasma front as a function of He pressure for different flight distances.

Image of FIG. 7.
FIG. 7.

(a) Variation in the Pt film density and (b) of the size of the Pt nanoparticles as a function of the velocity of the Pt ablated species.

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/content/aip/journal/jap/108/3/10.1063/1.3463204
2010-08-12
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Influence of pressure on the Pt nanoparticle growth modes during pulsed laser ablation
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/3/10.1063/1.3463204
10.1063/1.3463204
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