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Stress Relaxation in a Perfect Nanocrystal by Coherent Ejection of Lattice Layers

2004/12/31 by Abhishek Chaudhuri, Surajit Sengupta, Madan Rao
Engineering · Materials Science · Physics and Astronomy · #Mechanical and Optical Resonators #Nanopore and Nanochannel Transport Studies #Thermal properties of materials #cond-mat.soft

paper · pdf · doi:10.1103/physrevlett.95.266103

published as Phys. Rev. Lett. 95, 266103 (2005) · 4 pages, 4 figures, published version, changed content

openalex publication_date 2005/12/27 · arxiv created 2007/07/17 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

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.

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