Atoms of molybdenum (gray) and sulfur (yellow) are shown in a two-dimensional crystal formation. A laser hits the surface in a spiral, causing a valley current carried by an electron-hole pair, to move through the crystal.June, 2014: KIC members Paul McEuen, Jiwoong Park and Kin Fai Mak have tested molybdenum disulfide as a new semiconductor material, with the potential to create smaller, more efficient computers. Read more in the Chronicle and the June 27th article in Science.

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