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Science 28 January 2000:
Vol. 287. no. 5453, pp. 561 - 562
DOI: 10.1126/science.287.5453.561a
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News of the Week

OPTOELECTRONICS:
Blue Semiconductors Settle on Silicon

Robert F. Service

In the 17 January issue of Applied Physics Letters, researchers describe a scheme for producing blue and green light-emitting diodes (LEDs) on a base of silicon, the cheap and ubiquitous substrate for microelectronics. They've also managed to make small LEDs just where they want them on the chip, an important step toward complex displays made up of thousands of separately controlled lighting elements.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)