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May 26, 2023
Interface between semimetal and 2D semiconductor
In this illustration, at the interface between the semimetal bismuth and the 2D semiconductor molybdenum disulfide, there is no energy barrier for an electron to go through, leading to an ultralow contact resistance between them. Researchers discovered that the semimetal, whose electronic properties fall between those of metals and semiconductors, promises a more viable alternative to silicon, whi ...