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Time-resolved Fourier-transform infrared emission spectroscopy of Au in the 1800-4000-cm(-1) region: Rydberg transitions
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SYSNO ASEP 0347582 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Time-resolved Fourier-transform infrared emission spectroscopy of Au in the 1800-4000-cm(-1) region: Rydberg transitions Author(s) Civiš, Svatopluk (UFCH-W) RID, ORCID, SAI
Matulková, Irena (UFCH-W)
Cihelka, Jaroslav (UFCH-W)Source Title Physical Review. A. - : American Physical Society - ISSN 1050-2947
Roč. 81, č. 1 (2010), 012510Number of pages 7 s. Language eng - English Country US - United States Keywords spectroscopy ; Rydberg transitions ; theoretical chemistry Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects IAA400400705 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) KAN100500652 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000277958100016 DOI https://doi.org/10.1103/PhysRevA.81.012510 Annotation Time-resolved Fourier-transform infrared spectroscopy was applied for observations of the emission arising after irradiation of a Au target with a pulsed nanosecond ArF (lambda = 193 nm) laser. A high-repetition-rate laser (1.0 kHz) with an output energy of 15 mJ was focused on a rotating metal target inside a vacuum chamber (average pressure 10(-2) Torr). The infrared emission spectra were observed in the 1800-4000 cm(-1) spectral region with a time profile showing maximum emission intensity in 9 -11 mu s after a laser shot. Seven prominent lines are reported; most of them are identified as being due to transitions between low Rydberg nl states of Au with n = 5-10 and l = 0-3. An alternative identification (6f(5/2) -> 7d(3/2)) is given for the 2518.489 cm(-1) line previously classified as 8d(5/2) -> 5f(5/2). On the basis of the measured lines, three f levels of the Au atom are reported and revised values are given for six other levels. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2011
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