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    Mirror-symmetry controlled mechanical response of interconnects for stretchable electronics

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    Mirror-symmetry controlled mechanical response of interconnects for stretchable electronics.pdf
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    PDF
    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Qaiser, Nadeem cc
    Damdam, Asrar Nabil
    Khan, Sherjeel M. cc
    Shaikh, Sohail F. cc
    Hussain, Muhammad Mustafa cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Integrated Nanotechnology Lab
    mmh labs, Electrical Engineering, Computer Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST) Thuwal, 23955, Saudi Arabia
    KAUST Grant Number
    REP/1/2880-01-01
    Date
    2020-02-06
    Online Publication Date
    2020-02-06
    Print Publication Date
    2020-02
    Embargo End Date
    2021-09-16
    Submitted Date
    2019-08-23
    Permanent link to this record
    http://hdl.handle.net/10754/662295
    
    Metadata
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    Abstract
    With the advent of stretchable electronics, the numerous applications including wearable devices, optoelectronics, and implantable medical devices are realized and thus interconnects that can stretch/deform help to attain these stretchable electronic devices have gained extensive attention. Here, we present a novel spiral interconnect design that utilizes the mirror-topology wherein spiral connect to island in symmetry about the centerline, in contrast to the conventional no-mirror configuration. We fabricate the microscale stretchable mirror configurations for triangular networks and experimentally demonstrate their stretching profiles. A systematic comparison using experiments and FEM modeling illustrates enhanced mechanical response of mirror network by lowering von Mises stress up to ∼20%. The mirror configuration also achieves the higher stretchability. Additionally, interconnects of mirror triangular network experience the identical deformations and stress, as compared to dissimilar stress states in the no-mirror counterpart. We further validate the presented scheme to the complex stretchable arrays i.e. hexagonal arrays. Our experimental and FEM results corroborate with each other. Our proposed configuration can help to customize the deformations and its corresponding stretching profiles, which in turn provide the predictive response of the stretchable networks.
    Citation
    Qaiser, N., Damdam, A. N., Khan, S. M., Shaikh, S. F., & Hussain, M. M. (2020). Mirror-symmetry controlled mechanical response of interconnects for stretchable electronics. Extreme Mechanics Letters, 35, 100639. doi:10.1016/j.eml.2020.100639
    Sponsors
    This publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No. REP/1/2880-01-01 KFUPM and REP/1/2707-01-01 Sensors.
    Publisher
    Elsevier BV
    Journal
    Extreme Mechanics Letters
    DOI
    10.1016/j.eml.2020.100639
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S2352431620300146
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.eml.2020.100639
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Integrated Nanotechnology Lab; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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