Friday, November 14, 2008, 11:00 am — NSLS-II Seminar Room, Bldg. 817
Zeolites present a robust template for nanomaterials synthesis, and in the work presented, nanoclusters of Mercury-Selenium were produced through chemical vapor deposition using as a template two different zeolitic frameworks, tubular as well as spherical. The nanometer size character of the zeolitic pores enabled spectroscopic response changes in the nanoclusters which are highlighted here. Structural models corresponding to each pore type were extracted through powder X-ray diffraction, off-edge and anomalous, using Rietveld refinement of data collected at synchrotron sources. It will also be discussed the relevance of the distinctive diffuse scattering signal that accompanies the diffraction patterns of the samples analyzed.
Hosted by: Qun Shen
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