Title: | Laws of influence of various alloying oxides on the state of the surface, structure and formation processes of yttrium stabilized zirconia nanoparticles |
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Description: | Impact HHP (high hydrostatic pressure) on amorphous xerogels zirconium hydroxide acts on all parts of amorphous material. In the case of change the thermodynamic conditions water component is more sensitive to external influences and determines the behavior of the system. HHP modification leads to increased activation energy of dehydration about two times compared to the original system. Influence of yttrium oxide to zirconium hydroxide dehydration process leads to increased enthalpy process and associated with different states of surface nucleus that are formed during drying, and varying amounts of energy required to break bonds in the surface layers of nanoparticles. The main action dopant in the crystallization process affects only the temperature of crystallization. Annealing temperature powder and nature of air (oxygen or renewable) affect the charge state of the surface, in particular the degree of oxidation of the zirconium ions and charge vacancies. |
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