A formation mechanism for ultra-thin nanotwins in highly textured Cu/Ni multilayers

Y. Liu; D. Bufford; S. Rios; H. Wang; J. Chen; J. Y. Zhang; X. Zhang

doi:10.1063/1.3702461

A formation mechanism for ultra-thin nanotwins in highly textured Cu/Ni multilayers

Y. Liu
, D. Bufford
, S. Rios
, H. Wang
, J. Chen
, J. Y. Zhang
, X. Zhang

材料科学与工程学院

Texas A&M University
Liaoning University of Petroleum and Chemical Technology

科研成果: 期刊稿件 › 文章 › 同行评审

47 引用（Scopus）

摘要

High density nanotwins with average twin thickness varying from 3 to 6 nm are formed in sputtered highly (111) textured Cu/Ni multilayers, when individual layer thickness is 25 nm or less. Twin interfaces are normal to growth direction. Both maximum twin thickness and volume fraction of twins vary with the individual layer thickness. Coherency stress plays an important role in tailoring the formation of nanotwins. Nanotwins compete with misfit dislocations in accommodating elastic strain energy in epitaxial Cu/Ni multilayers.

源语言	英语
文章编号	073526
期刊	Journal of Applied Physics
卷	111
期	7
DOI	https://doi.org/10.1063/1.3702461
出版状态	已出版 - 1 4月 2012

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AB - High density nanotwins with average twin thickness varying from 3 to 6 nm are formed in sputtered highly (111) textured Cu/Ni multilayers, when individual layer thickness is 25 nm or less. Twin interfaces are normal to growth direction. Both maximum twin thickness and volume fraction of twins vary with the individual layer thickness. Coherency stress plays an important role in tailoring the formation of nanotwins. Nanotwins compete with misfit dislocations in accommodating elastic strain energy in epitaxial Cu/Ni multilayers.

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A formation mechanism for ultra-thin nanotwins in highly textured Cu/Ni multilayers

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