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Incorporation of semiconductors into zeolites has been carried out to determine the effect of confinement on structure, dynamics and electrical properties. The semiconductors stabilized in the zeolite supercages, Se, RbSe and CsSe, are known to preserve their semiconducting behavior upon melting. Examination of the polycrystalline materials by TEM, Raman and anomalous X-ray diffraction show interesting...
The room temperature aging process in a solution phase ZSM-5 preparation has been studied by scattering and n.m.r. techniques. Small-angle X-ray scattering detected particles growing in the 1–10 nm size domain, and their evolution was followed over a period of 4 days; the most dramatic changes occurred in the first 24 h. A contrast variation small-angle neutron scattering experiment was performed...
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