Volume 93 Issue 18 | p. 26 | Concentrates
Issue Date: May 4, 2015

Growing The Thinnest Of Semiconductors

Electronic Materials: Metal-organic chemical vapor deposition technique creates transition-metal dichalcogenides just three atoms thick over an area of square centimeters
Department: Science & Technology
News Channels: Materials SCENE, Nano SCENE
Keywords: transition-metal dichalcogenide, metal-organic chemical vapor deposition, semiconductor

For supermodels and semiconductors, it seems that thin is always in. As electronics makers continue to squeeze more components into increasingly smaller spaces, they’re on the lookout for materials that can achieve the ultimate in small—atomic-scale electronic devices. Now, Jiwoong Park and colleagues at Cornell University report an advance toward realizing such materials. They’ve grown sheets of the transition-metal dichalcogenides MoS2 and WS2 that are only three atoms thick, but stretch over . . .

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