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Study of supermolecular structure of polymers by light scattering methods
Holoubek, Jaroslav
Various optical techniques, especially light scattering methods, have been investigated as potential candidates for characterization of multiphase polymeric materials, i.e. to measure the size, shape and volume fraction of the minor phase and time evolution of morphology. Some supplementary information has been also obtained from model calculatios of dispersed-phase particles changes, time-resolved light scattering experiments and image analysis.
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Epitaxial rectrystalization of the Ni/MgO(001)interface
Vacík, Jiří ; Naramoto, H. ; Yamamoto, S. ; Narumi, K. ; Havránek, Vladimír
Process of recrystallization of the epitaxially grown Ni layer deposited on the MgO(001) single crystal is studied. Thin Ni layer prepared by the vapor deposition of Ni on the MgO substrate kept were annealed between 500 and 1000 0C and systematically analyzed by Rutherford backscattering, X-ray diffraction and atomic force microscopy. Dramatic change in evolution of the crystalline quality was observed during the thermal treatment. The strain and defect density gradually decreased and at the temperature 1000 0C the strain-free Ni/MgO(001) interface was obtained.
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