Molybdenum telluride (MoTe2) polymorphism. Metallic (right) and semiconducting (left) MoTe2 crystals are obtained side by side on the same plane. Rectangular crystals represent metal MoTe2, while hexagonal crystals are the characteristic feature of semiconducting MoTe2.
Researchers produced the first 2D field-effect transistor (FET) made of a single material. Modern life will be almost unthinkable without transistors. They are the ubiquitous building blocks of all electronic devices: each computer chip contains billions of them. However, as the chips become smaller and smaller, the current 3D field-electronic transistors (FETs) are reaching their efficiency limit...
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