Jan 19, 2023

Scientists grow ‘perfect’ atom-thin materials on industrial silicon wafers

Posted by in categories: computing, particle physics

True to Moore’s Law, the number of transistors on a microchip has doubled every year since the 1960s. But this trajectory is predicted to soon plateau because silicon—the backbone of modern transistors—loses its electrical properties once devices made from this material dip below a certain size.

Enter 2D materials—delicate, two-dimensional sheets of perfect crystals that are as thin as a . At the scale of nanometers, 2D materials can conduct electrons far more efficiently than silicon. The search for next-generation transistor materials therefore has focused on 2D materials as potential successors to silicon.

But before the can transition to 2D materials, scientists have to first find a way to engineer the materials on industry-standard while preserving their perfect crystalline form. And MIT engineers may now have a solution.

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