While a professor at the Humboldt University in Berlin in the late 1950s,
Karl Böer, a founder of the American Solar
Energy Society, discovered the high-field
domains in cadmium sulfide. A few
months later he
predicted that similar domains must
occur when the
with the field, and
published the discovery in 1958.
Three years later
were measured by the British physicist J.B.
Gunn. During its Semiconductor Session
in Dresden in March, the German Physical
Society honored Böer by naming his discovery the Böer Domains, and the corresponding effect the Böer-Gunn Effect.
The Böer-Gunn Effect has major importance in industry, both in improved efficiency
for solar cells and for production of 100-giga-
hertz oscillators for high-speed data transmission and multi-channel television.
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