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zhores alferov,  in full  zhores ivanovich alfyorov    (born march 15, 1930,  vitebsk, belorussia, u.s.s.r. [now in belarus]),  soviet physicist who, with  herbert kroemer  and  jack s. kilby, was awarded the nobel prize for physics in 2000 for their work that laid the foundation for the modern era of computers and information technology.

alferov received a doctorate in physics and mathematics from the a.f. ioffe physico-technical institute (1970); he became director of the institute in 1987. in the 1950s he began work to develop fast optoelectronic and microelectronic components made from semiconductor  heterostructures. (while most computer chips and other semiconductor components were made from one kind of material, such as silicon, heterostructure semiconductors were made from layers of different materials.) using kroemer’s theory, which suggested that a heterostructure transistor was superior to a conventional transistor, alferov and his research team developed the first practical heterostructure electronic device in 1966. they then pioneered electronic components made from heterostructures, including the first heterostructure laser, which both alferov and kroemer had proposed independently in 1963. heterostructure solid-state lasers made possible fibre-optic communications, and heterostructure devices were later used in communications satellites, bar-code readers, cellular telephone communications, and other products