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Title: Stress relaxation in a perfect nanocrystal by coherent ejection of lattice layers
Authors: Chaudhuri, Abhishek
Sengupta, Surajit
Rao, Madan
Issue Date: 27-Dec-2005
Publisher: The American Physical Society
Citation: Physical Review Letters, 2005, Vol.95, p266103
Abstract: We show that a small crystal trapped within a potential well and in contact with its own fluid responds to large compressive stresses by a novel mechanism—the transfer of complete lattice layers across the solid-fluid interface. Further, when the solid is impacted by a momentum impulse set up in the fluid, a coherently ejected lattice layer carries away a definite quantity of energy and momentum, resulting in a sharp peak in the calculated phonon absorption spectrum. Apart from its relevance to studies of stability and failure of small sized solids, such coherent nanospallation may be used to make atomic wires or monolayer films.
ISSN: 0031-9007
1079-7114 (online)
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Copyright: (2005) by the American Physical Society
Additional information: Erratum published in Physical Review Letters, Vol.96, 179906(E), 2006.
Appears in Collections:Research Papers (TP)

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