Observation of stress relaxation via step formation in Co/Pt metallic superlattices

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dc.contributor.authorShin, Sung-Chul-
dc.contributor.authorKim, Young-Seok-
dc.contributor.authorKim, Hong-Seung-
dc.contributor.authorLee, Jeong-Yong-
dc.date.accessioned2010-04-30T04:50:42Z-
dc.date.available2010-04-30T04:50:42Z-
dc.date.issued2000-02-
dc.identifier.citationAPPLIED PHYSICS LETTERS, Vol.76, No.7, pp.831-833en
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10203/18036-
dc.description.abstractWe report the direct observation of stress relaxation in lattice-mismatched Co/Pt superlattices with increasing Co-layer thickness, via in situ and real-time measurements using a submonolayer-sensitive stress measurement apparatus. A large tensile stress in the Co layers found to be relaxed when the Co layer thickness was larger than 2 monolayers, corresponding to the critical thickness expected for coherent-to-incoherent transition in this system. Cross-sectional high-resolution transmission electron microscopy studies revealed that stress relaxation was realized by formation of steps, rather than misfit dislocations, near the interfaces.en
dc.description.sponsorshipThis work was supported by the Creative Research Initiatives and Nanostructure Technology Project of the Korean Ministry of Science and Technology.en
dc.language.isoen_USen
dc.publisherAmerican Institute of Physicsen
dc.titleObservation of stress relaxation via step formation in Co/Pt metallic superlatticesen
dc.typeArticleen
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