Silicon has been the workhorse of electronics for decades because it is a common element, it’s easy to process and has useful electronic properties. A limitation of silicon is that high temperatures damage it, which limits the operating speed of silicon-based electronics. Single-crystal diamond is a possible alternative to silicon. Researchers recently fabricated a single-crystal diamond wafer, but common methods of polishing the surface—a requirement for use in electronics—are slow and damaging to the material.
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Source: Phys.org