期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 406, 期 -, 页码 107-110出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnoncrysol.2014.09.052
关键词
XANES; Z-scan technique; Au nanoparticles; TEM; EDAX
资金
- NSF USA [DMR-0844014]
- DAE-BRNS [2010/34/25/BRNS/1161]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0844014] Funding Source: National Science Foundation
Metal nanoparticles of gold in various proportions were prepared by melt-quenching technique without any assistance of reducing agent. X-ray absorption near edge structure analysis shows that measurements at the Au L-3 edge were made on lanthanum lead borate doped with gold. X-ray absorption near edge structure shows that the oxidation state of Au and the analysis show the presence of gold nanoparticles. Electron microscopy and energy dispersive absorption X-ray spectroscopy confirm the size of Au nanoparticle inside the lead lanthanum borate glass. Nonlinear optical studies of Au doped oxide glass are performed using nanosecond laser pulse excitation. Z-scan experiments with 532 nm wave-length pulses are used to excite glass samples which show that optical limiting effect of these as-prepared glasses doped with Au nanoparticle was also studied. (C) 2014 Elsevier B.V. All rights reserved.
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