Leo Esaki

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2026-06-23

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Who is this?

Leo Esaki (born March 12, 1925) is a Japanese solid-state physicist who shared the 1973 Nobel Prize in Physics with Ivar Giaever and Brian Josephson for his work on tunneling in semiconductors, which led to his invention of the tunnel diode that exploits this phenomenon. His research was done when he was with Sony. He has also contributed in being a pioneer of semiconductor superlattices.