A light-emitting diode made from silicon that efficiently
emits light at room temperature could revolutionize
It is the latest in a string of attempts to create a light emitter
compatible with existing silicon-based technology.
Kevin Homewood of the University of Surrey, UK,
and colleagues created the device - which could be
the precursor of a silicon laser - by bombarding silicon
with boron ions (W L Ng et al, 2001 Nature 410 192).
Much more at
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