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Study of the formation of 3-D titania nanofibrous structure by MHz femtosecond laser in ambient air
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10.1063/1.4771667
/content/aip/journal/jap/113/2/10.1063/1.4771667
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/2/10.1063/1.4771667
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Figures

Image of FIG. 1.
FIG. 1.

SEM micrographs of titania nanofibrous structures synthesized on a Ti substrate at laser repetition of (a) 4 MHz, (b) 8 MHz, and (c) 12 MHz.

Image of FIG. 2.
FIG. 2.

The number of ablated atoms from a Ti target, ablated at different laser pulse repletion rates at laser pulse dwell time of 1 ms predicted by Eq. (10) , depicted by the blue hollow line. The red solid line represents the absorbed laser fluence by the Ti target at different laser pulse repetition rates and constant average power of 10 W. The dashed line determines the laser ablation threshold of 0.48 for Ti.

Image of FIG. 3.
FIG. 3.

The average evaporation rate for ablation by a single pulse at different laser fluences predicted by Eq. (7) .

Image of FIG. 4.
FIG. 4.

TEM micrographs of Ti nanofibers synthesized at repetition (a) 4 MHZ, (b) 8 MHz, and (c) 12 MHz (the scale bar: 100 nm).

Image of FIG. 5.
FIG. 5.

Measured average nanoparticle diameter at different laser pulse repletion rates.

Image of FIG. 6.
FIG. 6.

Measured average pore size of synthesized structures at different laser pulse repletion rates.

Image of FIG. 7.
FIG. 7.

The number of ablated atoms from a Ti target ablated at different laser dwell times and laser pulse repetition rates predicted by Eq. (10) .

Image of FIG. 8.
FIG. 8.

XRD patterns of titania nanofibrous structure synthesized on Ti substrate after laser irradiation.

Image of FIG. 9.
FIG. 9.

Schematic illustration of the synthesis process of titania nanofibrous structure using femtosecond laser ablation of a Ti target.

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/content/aip/journal/jap/113/2/10.1063/1.4771667
2013-01-09
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Study of the formation of 3-D titania nanofibrous structure by MHz femtosecond laser in ambient air
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/2/10.1063/1.4771667
10.1063/1.4771667
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