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|a Demkowicz, Michael J.
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|a Massachusetts Institute of Technology. Department of Materials Science and Engineering
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|a Massachusetts Institute of Technology. Department of Physics
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|a Demkowicz, Michael J.
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|a Demkowicz, Michael J.
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|a Skirlo, Scott A.
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|a Skirlo, Scott A.
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|a Viscoelasticity of stepped interfaces
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|b American Institute of Physics (AIP),
|c 2015-02-12T20:54:59Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/94519
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|a Using molecular dynamics modeling, we show that interfaces in sputter deposited Cu-Nb superlattices exhibit time-dependent elasticity, i.e., viscoelasticity, under shear loading. In the high temperature and small strain rate limit, the interfacial shear modulus approaches a value proportional to the density of steps in the interface. It may therefore be possible to tailor the low-frequency shear moduli of interfaces by controlling their step densities.
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|a National Science Foundation (U.S.) (Grant 1150862)
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|a MIT International Science and Technology Initiatives (MISTI-Chile Seed Grant)
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|a MIT Energy Initiative (Summer Fellowship)
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|a en_US
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|a Article
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|t Applied Physics Letters
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