Physics

Synopsis: Stretching Graphene Localizes its Electrons

The electrical properties of a graphene bilayer can be tuned by stretching and rotating one of the bilayer’s sheets. By stacking one-atom-thick sheets, researchers can construct ultrathin materials with tailored electrical and optical properties. These properties can depend on how the sheets are arranged. A pair of graphene sheets stacked slightly askew, for example, can superconduct (see 14 March 2018 Meetings). However, no one has yet looked at what happens when one sheet is stretched relativ
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