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17 Jun 2002
Cornell University scientists have achieved a "Holy Grail" of materials science -- pure, single crystal growth of any film on a semiconductor substrate, a techniquethat holds promise to revolutionize electronics.
Yu-Hwa Lo, Cornell associate professor of electrical engineering, and his doctoral student, Felix E. Ejeckam, and colleagues have for the first time demonstrated a"universal substrate" on which a crystal of any material can be grown. The technique opens the door for manufacturing whole new classes of devices inoptoelectronics and microelectronics, for such items as new lasers, detectors, sensors, imaging systems, signal processing and computer chips, compact discs, datastorage and dozens of other examples.
The ability to grow single crystals of any material on silicon, for example, may breed an entire new generation of electronics. Their research paper appeared this weekin Applied Physics Letters.
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