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The distribution of 46 acentric bismuthates over different crystal systems and space formations of Bi-O polyhedrons have been revealed. The dependence of polyhedron space formation on stoichiometric ratio n(O)/n(Bi) in the compound is established. Individual (Bi-O) octahedrons are found for n(O)/n(Bi) > 5 (and >3 for low coordinated bismuth), chains and layers are revealed for the range 2.0-5...
The process of Si-Ge heterostructures formation in nanowhiskers (NWs) grown by the vapor-liquid-solid mechanism was investigated using Monte Carlo simulation. It was demonstrated that it is impossible to grow atomically abrupt axial heterojunctions via classical vapor-liquid-solid mechanism due to gradual change of catalyst drop composition when switching the fluxes. Dependences of GexSi1-x composition...
The impact of singularity points on stress distribution in piezoresistive module is investigated by means of FEM simulation. The strong influence of singularities on stress distribution in silicon-glass interface is presented in this paper.
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