Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
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.
RT growth of the micrometer-size C60 crystals in the Ni-C60 nano-composite
Vacík, Jiří ; Naramoto, H. ; Yamanoto, S. ; Narumi, K. ; Havránek, Vladimír
Growth of the multiply twinned C60 particles arisen from the Ni+C60 mixture at RT after lengthy time of development is reported. 10-micrometer large C60 particles grow as facetted crystals with polyhedral shapes stacking in complex superstructures. Mechanism of the particle formation is based on structure transformation of the layer highly stressed due to the co-deposition of the immiscible Ni and C60 components.

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