Nanogrippers
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Springer Dordrecht
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Nanogrippers are micro- or nanoactuators equipped with high-precision dual end-effectors, capable of applying controllable, opposing forces on nanoscale objects, and thereby allowing these to be lifted free from a surface, held in a well-defined position, moved to another position, and placed in a controlled way.
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Nanogrippers allow structures with at least one dimension being of order 100 nm or smaller to be manipulated in a predictable manner. Such grippers consist of one or more actuators, which determine the gap between two or more end-effectors. The actuators are operated through variations of a physical quantity, which is typically an electrical current or voltage, but might also be the temperature, a magnetic field, or even light. While there is a wide selection of actuators available for conventional microelectromechanical systems (MEMS), nearly all nanogrippers which have been demonstrated in practical manipulation of nanostructures so...
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Book Chapter published in the book “Encyclopedia of Nanotechnology”, Edited by Bharat Bhushan, 2012, p1552-1569
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2012 Springer Science+Business Media B.V.