M.I. Samoylovich - Dr. Sc. (Phys.-Math.), Professor, Head of Department, Central Research Technological Institute «Technomash» (Moscow). E-mail: samoylovich@cnititm.ru А.F. Belyanin - Dr. Sc. (Eng.), Professor, Main Research Scientist, Central Research Technological Institute «Technomash» (Moscow). E-mail: belyanin@cnititm.ru A.S. Bagdasaryan - Dr. Sc. (Eng.), Professor, Main Research Scientist, Kotel\'nikov IRE of RAS (Moscow) А.B. Rinkevich - Dr. Sc. (Phys.-Math.), Professor, Deputy Director, Metal Physics Institute of Russian Science Academy - Ural Division (Ekaterinburg) S.A. Bagdasaryan - Ph. D. (Eng.), General Director, NPP «TRIiS» (Moscow) V. Bovtun - Dr. Sc. (Phys.-Math.), Leading Research Scientist, Institute of Physics ASCR (Praga) М. Kempa - Dr. Sc. (Phys.-Math.), Head of Department, Institute of Physics ASCR (Praga) D. Nuzhnii - Dr. Sc. (Phys.-Math.), Senior Research Scientist, Institute of Physics ASCR (Praga) M. Savinov - Senior Research Scientist, Institute of Physics ASCR (Praga)

The conditions for the formation of nanocomposites based on the basis of lattice packings SiO2 nanospheres (opal matrices) with included clusters of crystalline phase of of rare-earth manganites of the general formula RMnO3 or RMn2O5, where R - Yb, Tb, Er, La, Y, Gd, Nd and Bi in interspherical nanospacing are considered. The composition and structure of the nanocomposites studied electron microscopy, X-ray diffraction and Raman spectroscopy. Shows the effect of heat treatment on the structure of the carbon films and the current-voltage characteristics of field emission cathodes on their basis. Results of measuring optical, magnetic and dielectric characteristics in the range up to 30 GHz of the obtained nanostructures, are viewed. The obtained results may be useful in spintronics. The studied materials might be soon found in some information systems.

 

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