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X-Ray Absorption Spectroscopy and Optical Absorption Studies of the Growth of CdS Nanocrystals in Glass

  • P. D. Persans (a1), L. B. Lurio (a1), J. Pant (a1), R. J. Olsson (a1), H. Yukselici (a1) and T. M. Hayes (a1)...


We have measured and analyzed optical absorption, Raman scattering and x-ray absorption spectra of CdS nanocrystals grown by solid-state reaction in a borosilicate glass. We observe the appearance and growth of an optical absorption peak which is attributed to CdS nanoparticles. Using x-ray absorption we quantify the progressive replacement of O nearest neighbors of Cd by S with heat treatment and the appearance and growth of a well-defined second nearest neighbor peak.



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