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Motorola Grows GaAs on Silicon

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Daniel S. Burgess

While III-V semiconductors have revolutionized electronics and photonics, the expense of their manufacture has limited widespread application. Researchers at Motorola Labs promise this will change. They have learned how to grow gallium arsenide on silicon substrates, enabling the production of GaAs wafers twice as large as today's, and they hope to do the same with indium phosphide and gallium nitride. Jamal Ramdani (left) and Ravi Droopad of Motorola Labs display a 12-in. wafer of gallium arsenide on silicon. The wafer incorporates an interlayer of strontium titanate to mitigate lattice...Read full article

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