Leroy L. Chang

Leroy L. Chang (born January 20, 1936 in Kaifeng , Republic of China , † August 20, 2008 in San Diego ) was a Chinese-American physicist who dealt with semiconductor physics.

Chang graduated from Taiwan National University with a bachelor's degree in 1957 and received his doctorate from Stanford University in 1963 . From 1963 to 1992 he conducted research at the IBM Thomas J. Watson Research Center in Yorktown Heights. From 1975 to 1985 he was manager for molecular beam epitaxy and 1985 to 1992 for quantum structure. In between, he was Associate Professor at the Massachusetts Institute of Technology in 1968/69 in a sabbatical year . From 1993 to 1998 he was dean of natural sciences at the Hong Kong University of Science and Technology , from 1997 professor of physics and from 1998 to 2000 vice president of the university. In 2007 he retired.

With his colleagues Leo Esaki and Raphael Tsu , he investigated superlattices in semiconductors, which he produced using molecular beam epitaxy .

In 1985, Chang received the James C. McGroddy Prize for New Materials , the David Sarnoff Award in 1990 and the Stuart Ballantine Medal from the Franklin Institute in 1993. In 1994 he became a member of the National Academy of Sciences and in 1988 of the National Academy of Engineering . He was a member of the Chinese Academy of Sciences, the Hong Kong Academy of Engineering Science and the Academia Sinica, a fellow of the IEEE and the American Physical Society .

Web links

• Biography at the American Institute of Physics