D. V. Kreopalov
Moscow State Technical University, Russia
M. A. Savchenko
Moscow State Institute of Radioingineering, Electronics and Automation, Russia
A. M. Savchenko
Moscow State University, Russia
Increasing of spin-phonon parameter directly influence on decrease of isotope effect index in high-temperature superconductor's. It is shown that the use of "heavy" isotope for the purpose of creation new HTSC-systems in crease the critical HTSC temperature.