Crack deflecting microstructure for improved electro-mechanical lifetimes of flexible systems

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Crack deflecting microstructure for improved electro-mechanical lifetimes of flexible systems. / Cordill, Megan J.; Jörg, Tanja; Glushko, Oleksandr et al.
In: Materials letters, Vol. 244.2019, No. 1 June, 13.02.2019, p. 47-49.

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Cordill MJ, Jörg T, Glushko O, Franz R, Mitterer C. Crack deflecting microstructure for improved electro-mechanical lifetimes of flexible systems. Materials letters. 2019 Feb 13;244.2019(1 June):47-49. doi: 10.1016/j.matlet.2019.02.039

Author

Cordill, Megan J. ; Jörg, Tanja ; Glushko, Oleksandr et al. / Crack deflecting microstructure for improved electro-mechanical lifetimes of flexible systems. In: Materials letters. 2019 ; Vol. 244.2019, No. 1 June. pp. 47-49.

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@article{37588643dd9646bb9bfbaa1499c8b427,
title = "Crack deflecting microstructure for improved electro-mechanical lifetimes of flexible systems",
abstract = "Polymer supported metal thin films for flexible and stretchable applications need to have exceptional electro-mechanical behavior. Typically, brittle metal films thicker than 300 nm will fail at low strains. It will be demonstrated that with residual stress and microstructural tuning, a 500 nm thick Mo film on polyimide has a high crack onset strain and does not fail electrically after 1000 tensile straining cycles of 1% due to a novel zig–zag microstructure. The zig–zag microstructure imparts a crack deflecting behavior which ensures longer lifetimes. As a consequence, a high crack onset strain does not indicate better behavior under cyclic loading conditions.",
author = "Cordill, {Megan J.} and Tanja J{\"o}rg and Oleksandr Glushko and Robert Franz and Christian Mitterer",
year = "2019",
month = feb,
day = "13",
doi = "10.1016/j.matlet.2019.02.039",
language = "English",
volume = "244.2019",
pages = "47--49",
journal = "Materials letters",
issn = "0167-577X",
publisher = "Elsevier",
number = "1 June",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Crack deflecting microstructure for improved electro-mechanical lifetimes of flexible systems

AU - Cordill, Megan J.

AU - Jörg, Tanja

AU - Glushko, Oleksandr

AU - Franz, Robert

AU - Mitterer, Christian

PY - 2019/2/13

Y1 - 2019/2/13

N2 - Polymer supported metal thin films for flexible and stretchable applications need to have exceptional electro-mechanical behavior. Typically, brittle metal films thicker than 300 nm will fail at low strains. It will be demonstrated that with residual stress and microstructural tuning, a 500 nm thick Mo film on polyimide has a high crack onset strain and does not fail electrically after 1000 tensile straining cycles of 1% due to a novel zig–zag microstructure. The zig–zag microstructure imparts a crack deflecting behavior which ensures longer lifetimes. As a consequence, a high crack onset strain does not indicate better behavior under cyclic loading conditions.

AB - Polymer supported metal thin films for flexible and stretchable applications need to have exceptional electro-mechanical behavior. Typically, brittle metal films thicker than 300 nm will fail at low strains. It will be demonstrated that with residual stress and microstructural tuning, a 500 nm thick Mo film on polyimide has a high crack onset strain and does not fail electrically after 1000 tensile straining cycles of 1% due to a novel zig–zag microstructure. The zig–zag microstructure imparts a crack deflecting behavior which ensures longer lifetimes. As a consequence, a high crack onset strain does not indicate better behavior under cyclic loading conditions.

UR - http://www.scopus.com/inward/record.url?scp=85061722640&partnerID=8YFLogxK

U2 - 10.1016/j.matlet.2019.02.039

DO - 10.1016/j.matlet.2019.02.039

M3 - Article

VL - 244.2019

SP - 47

EP - 49

JO - Materials letters

JF - Materials letters

SN - 0167-577X

IS - 1 June

ER -