MIT's Microsystems Technology Laboratories claims that it has built the smallest transistors in history, using materials other than silicon. The transistor is fabricated from indium gallium arsenide (IGA), which has been applied to fiber optics and radar technology, and is only 22 nm thick (approximately 9 strands of human DNA). Because this is the same type of transistor used in the microprocessor, this means that the chip can be more dense and provide higher performance.
The researchers hope to find a material that replaces silicon, achieving higher speeds and efficiencies on a smaller scale, in order to approach Moore's Law's predicted process. According to Jesus del Alamo, a co-developer and professor at MIT, this development "will ensure that Moore's Law goes beyond the reach of silicon."
MIT News reported that researchers will next step up the transistor's electrical performance and overall speed. If the team successfully achieves this goal, they will continue to move toward the goal of less than 10nm.
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