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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 3 — Mar. 1, 2012
  • pp: 305–311

Prediction of the transparency in the visible range of x-ray absorbing nanocomposites built upon the assembly of LaF 3 or LaPO 4 nanoparticles with poly(methyl methacrylate)

Fady El Haber, Xavier Rocquefelte, Christine Andraud, Bouhalouane Amrani, Stéphane Jobic, Olivier Chauvet, and Gérard Froyer  »View Author Affiliations


JOSA B, Vol. 29, Issue 3, pp. 305-311 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000305


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Abstract

A theoretical multiscale approach combining density functional theory and four-flux calculations based on the radiative transfer theory is used to prospect the optical properties of nanocomposite materials composed of inorganic nanoparticles of lanthanum-containing compounds ( LaF 3 or LaPO 4 ) embedded in Poly(methyl methacrylate) (PMMA). This theoretical investigation shows that a potential route to produce lead-free x-ray shielding screens with high transparency in the visible range ( > 70 % of incident light) may consist in incorporating colorless LaF 3 or LaPO 4 spherical particles with a diameter lower than 6 nm in a PMMA panel from a minimum thickness of 3 mm with a volumetric fraction of at least 10%. In terms of x-ray attenuation, this would lead to lead equivalency of 0.1 mm (lead foil).

© 2012 Optical Society of America

OCIS Codes
(160.0160) Materials : Materials
(160.4760) Materials : Optical properties

ToC Category:
Materials

History
Original Manuscript: August 25, 2011
Revised Manuscript: October 20, 2011
Manuscript Accepted: November 2, 2011
Published: February 13, 2012

Citation
Fady El Haber, Xavier Rocquefelte, Christine Andraud, Bouhalouane Amrani, Stéphane Jobic, Olivier Chauvet, and Gérard Froyer, "Prediction of the transparency in the visible range of x-ray absorbing nanocomposites built upon the assembly of LaF3 or LaPO4 nanoparticles with poly(methyl methacrylate)," J. Opt. Soc. Am. B 29, 305-311 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-3-305


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