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Smolensky, Georgy Anatolyevich

Georgy Anatolyevich Smolensky (born 23.06.1910) — a Soviet physicist, a corresponding member of the USSR Academy of Sciences (from 1970). Born in Yalta. He graduated from the Leningrad Polytechnic Institute (1938). In 1938 — 51 he worked at a sectoral research institute in Leningrad (now the Positron association), in 1951—56 at the Institute of Silicate Chemistry of the USSR Academy of Sciences, and in 1956 —72 at the Institute of Semiconductors of the USSR Academy of Sciences. From 1972 he has been at the Ioffe Physico-Technical Institute of the USSR Academy of Sciences. He also teaches at the Leningrad Polytechnic Institute. His work was in solid-state physics, in particular the physics of ferroelectrics, dielectrics and magnetic semiconductors. He developed a criterion for the occurrence of spontaneous electric polarisation in dielectrics, on the basis of which he discovered and studied a number of new classes of ferroelectric crystals, including ferroelectric ferromagnets, which possess electric and magnetic ordering simultaneously, and ferroelectrics with a diffuse phase transition. He created new magnetically ordered semiconductors — ferrites with unique properties — and formulated a criterion for obtaining ferrites of high magnetic permeability, laying the foundations of the industrial production of ferrites in the USSR. He discovered anomalously large birefringence in magnetic crystals, the phenomenon of long-term memory in piezodielectrics, and induced ferrimagnetism. In 1952 he was awarded the USSR State Prize for his studies of ferrites and ferroelectrics.