Leo Esaki

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In 1959 Leo Esaki presented the "Esaki diode" .

Leo Esaki ( Japanese 江 崎 玲 於 奈 , Esaki Reona ; born March 12, 1925 in Osaka Prefecture ) is a Japanese physicist . He became famous for the invention of the Esaki diode .

Esaki studied physics at the University of Tokyo and made his Bachelor of Science in 1947 , in 1959 he achieved the degree of doctor and was awarded the Asahi Prize . From 1956 he was a scientist at Sony and from 1960 to 1992 at IBM at their Thomas J. Watson Research Center . From 1992 to 1998 he was President of Tsukuba University . From 2000 to 2005 he was President of the Shibaura Institute of Technology and from 2006 of the Yokohama College of Pharmacy.

Leo Esaki was awarded in 1973 with Ivar Giaever and Brian Josephson the physics - Nobel Prize for experimental discoveries that the tunnel phenomenon in half - or superconductors concerned. In 1974 he was honored as Bunka Kōrōsha, as a person with special cultural merits , and at the same time awarded the cultural medal awarded by the emperor . In 1998 he received the Japan Prize .

He has been a member of the American Academy of Arts and Sciences since 1974, of the National Academy of Sciences since 1976, of the American Philosophical Society since 1991 and of the Russian Academy of Sciences since 1994 . In 1985 he received the International Prize of New Materials from the American Physical Society . In 1998 the asteroid (6920) Esaki was named after him.

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