ISLAMABAD-Removing one charged molecule from a one-dimensional array causes the others to alternately turn \u2018on\u2019 or \u2018off,\u2019 paving the way for information transfer in tiny circuits.Small electronic circuits power our everyday lives, from the tiny cameras in our phones to the microprocessors in our\u00a0computers. To make those devices even smaller, scientists and engineers are designing circuitry components out of single molecules. Not only could miniaturized circuits offer the benefits of increased device density, speed, and energy efficiency \u2013 for example in flexible electronics or in data storage \u2013 but harnessing the physical properties of specific molecules could lead to devices with unique functionalities. However, developing practical nanoelectronic devices from single molecules requires precise control over the electronic behavior of those molecules, and a reliable method by which to fabricate them.Now, as reported in the journal Nature Electronics, researchers have developed a method to fabricate a one-dimensional array of individual molecules and to precisely control its electronic structure. By carefully tuning the voltage applied to a chain of molecules embedded in a one-dimensional carbon (graphene) layer, the team led by researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) found it could control whether all, none, or some of the molecules carry an electric charge. The resulting charge pattern could then be shifted along the chain by manipulating individual molecules at the end of the chain.<\/p>\n","protected":false},"excerpt":{"rendered":"
ISLAMABAD-Removing one charged molecule from a one-dimensional array causes the others to alternately turn \u2018on\u2019 or \u2018off,\u2019 paving the way for information transfer in tiny circuits.Small electronic circuits power our everyday lives, from the tiny cameras in our phones to the microprocessors in our\u00a0computers. To […]<\/p>\n
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