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El Sherbini, A.M., Aboulfotouh, A.M., Rashid, F.F., Al lam, S.H., El Dakrouri, A. and El Sherbini, Th.M. (2012) Observed enhancement in LIBS signals fromnano vs bulk ZnO targets: Comparative study of plasma parameters. World Journal of Nano Science and Engineering, 2, 181-188.

has been cited by the following article:

• TITLE: Spectroscopic measurement of Stark broadening parameter of the 636.2 nm Zn I-line

  AUTHORS: Ashraf M. El Sherbini, Abdel-Nasser Aboulfotouh, Farid Rashid, Sami H. Allam, Ahmed M. Al-Kaoud, Ashraf El Dakrouri, Tharwat M. El Sherbini

  KEYWORDS: Stark Broadening Parameter; LIBS; OES; ZnO; Zinc Lines

  JOURNAL NAME: Natural Science, Vol.5 No.4, April 25, 2013

  ABSTRACT: In this article we will present an attempt to measure the Stark broadening parameter of the Zn I-line at 636.23 nm utilizing the optical emission spectroscopy (OES) technique, taking into consideration the possibility of existence of self absorption. This method is standing on comparison of the Lorentzian FWHM and spectral line intensity of the unknown Stark broadening parameter line (Zn I-636.23 nm—in our case) to a well known Stark parameter line (e.g. Zn I-lines at 472.2, 481 and 468 nm) at a reference electron density of 2.7 × 1017 cm-3 and temperature of 1 eV. We have utilized the emission spectral data acquired from well diagnosed plasma produced by the interaction of Nd: YAG laser at wavelength of 1064 nm with ZnO nanomaterial target in open air. The results indicates that the Stark broadening of the Zn I-line at 636.23 nm is centered at 5.06 ± 0.03 ? with a 25% uncertainty at the given reference plasma parameters. The knowledge of the Stark broadening parameter of the 636.23 nm line may be important in the diagnostics of the laser plasma experiments especially in the absence of the Hα-line.