ArticleScientific reports2018
Cracking effects in squashable and stretchable thin metal films on PDMS for flexible microsystems and electronics.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
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- Thickness Thresholds for Generating Plasmonic Surfaces via Solid-State Dewetting of Ultrathin Silver Films on Soft Polymeric Substrates.ACS omega · 2026Article
- Effect of Microresistor Topology on the Sensing Characteristics of MoSSensors (Basel, Switzerland) · 2026Article
- Transparent Electrodes Based on Crack-Templated Metallic Networks for Next-Generation Optoelectronics.Materials (Basel, Switzerland) · 2025Review
- Periodic liquid crystalline waveguiding microstructures.Scientific reports · 2023Article
- Wrinkled Thermo-Electric Meander-Shaped Element on a Thin Freestanding PDMS Membrane.Membranes · 2023Article
- Defining the zerogap: cracking along the photolithographically defined Au-Cu-Au lines with sub-nanometer precision.Nanophotonics (Berlin, Germany) · 2023Article
- Flexible and Robust Triboelectric Nanogenerators with Chemically Prepared Metal Electrodes and a Plastic Contact Interface Based on Low-Cost Pressure-Sensitive Adhesive.Sensors (Basel, Switzerland) · 2023Article
- A Novel Approach for the Creation of Electrically Controlled LC:PDMS Microstructures.Sensors (Basel, Switzerland) · 2022Article
- Twin-Wire Networks for Zero Interconnect, High-Density 4-Wire Electrical Characterizations of Materials.Research (Washington, D.C.) · 2022Article
- Electronically integrated microcatheters based on self-assembling polymer films.Science advances · 2021Article
- Strain-resilient electrical functionality in thin-film metal electrodes using two-dimensional interlayers.Nature electronics · 2021Article
- The Use of a Water Soluble Flexible Substrate to Embed Electronics in Additively Manufactured Objects: From Tattoo to Water Transfer Printed Electronics.Micromachines · 2018Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Here, we study cracking of nanometre and sub-nanometre-thick metal lines (titanium, nickel, chromium, and gold) evaporated onto commercial polydimethylsiloxane (PDMS) substrates. Mechanical and electromechanical testing reveals potentially technologically useful effects by harnessing cracking. When the thin film metal lines are subjected to uniaxial longitudinal stretching, strain-induced cracks develop in the film. The regularity of the cracking is seen to depend on the applied longitudinal strain and film thickness-the findings suggest ordering and the possibility of creating metal mesas on flexible substrates without the necessity of lithography and etching. When the metal lines are aligned transversally to the direction of the applied strain, a Poisson effect-induced electrical 'self-healing' can be observed in the films. The Poisson effect causes process-induced cracks to short circuit, resulting in the lines being electrically conducting up to very high strains (~40%). Finally, cracking results in the observation of an enhanced transversal gauge factor which is ~50 times larger than the geometric gauge factor for continuous metal films-suggesting the possibility of high-sensitivity thin-film metal strain gauge flexible technology working up to high strains.
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Registered trials
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