Formation and assignment of silver defect centres in phosphate glass induced by femtosecond laser pulses

Formation and assignment of silver defect centres in phosphate glass induced by femtosecond laser pulses

We have investigated the formation and assignment of silver defect centres such as Ag 0, Ag 2+ and other molecular silver species induced by femtosecond (fs) laser pulse irradiation. In particular, direct precipitation of silver nanoparticles without heat treatment was demonstrated to clarify the fo...

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Veröffentlicht in:Radiation measurements 2011-12, Vol.46 (12), p.1402-1405
Hauptverfasser: Zheng, W., Kurobori, T., Miyamoto, Y., Nanto, H., Yamamoto, T.
Format: Artikel
Sprache:eng
Schlagworte:
Defects
Earth sciences
Earth, ocean, space
Exact sciences and technology
Femtosecond
Femtosecond laser
Geochronology
Glass dosimeter
Irradiation
Isotope geochemistry. Geochronology
Lasers
Nanoparticles
Phosphate glass
Precipitation
Radiophotoluminescence (RPL)
Silver
Silver defect species
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Zusammenfassung:We have investigated the formation and assignment of silver defect centres such as Ag 0, Ag 2+ and other molecular silver species induced by femtosecond (fs) laser pulse irradiation. In particular, direct precipitation of silver nanoparticles without heat treatment was demonstrated to clarify the formation kinetics of silver defect centres in a radiophotoluminescent phosphate glass by 250 kHz high repetition rate fs laser pulses. Comparison using X-ray and fs laser irradiation methods is also presented.
ISSN:1350-4487
1879-0925
DOI:10.1016/j.radmeas.2011.01.004