Abstract
This article describes the current level of understanding of dislocation plasticity in thin films and small structures in which the film or structure dimension plays an important role. Experimental observations of the deformation behavior of thin films, including mechanical testing as well as electron microscopy studies, will be discussed in light of theoretical models and dislocation simulations. In particular, the potential of applying strain-gradient plasticity theory to thin-film deformation is discussed. Although the results of all studies presented follow a “smaller is stronger” trend, a clear functional dependence has not yet been established.
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Kraft, O., Freund, L.B., Phillips, R. et al. Dislocation Plasticity in Thin Metal Films. MRS Bulletin 27, 30–37 (2002). https://doi.org/10.1557/mrs2002.17
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DOI: https://doi.org/10.1557/mrs2002.17