Electrical Characterization of Traditional and Aerosol Jet Printed Conductors Under Tensile Strain

MRS Advances ◽  
2016 ◽  
Vol 1 (1) ◽  
pp. 15-20 ◽  
Author(s):  
Jake Rabinowitz ◽  
Gregory Fritz ◽  
Parshant Kumar ◽  
Peter Lewis ◽  
Mikel Miller ◽  
...  
Keyword(s):  
Electrical Resistance ◽  
Tensile Strain ◽  
Electrical Characterization ◽  
Gold Films ◽  
Silver Films ◽  
Polymer Systems ◽  
Resistance Increase ◽  
Strain Discontinuity ◽  
Metal Polymer

ABSTRACTIn this work, we propose a model to quantify strain induced conductor discontinuities based on measuring electrical resistance while applying tensile strain to metal-polymer systems. Under strain, changing conductor geometry and induced conductor discontinuity increase electrical resistance. On Kapton substrates strained to ε = .07, evaporated gold films did not deform and resistance increase was only caused by geometry change. Conversely, discontinuity caused 31% and 72% of the resistance increase in evaporated and printed silver films at the same strain. On PDMS substrates, the same magnitude of discontinuity, causing 31% of the resistance increase, occurred at only ε = .024 in evaporated silver films. At the same strain, discontinuity caused 86% of the resistance increase in evaporated gold films. Printed silver films were inelastic. The results suggest that traditional fabrication techniques may be more suitable to flexible hybrid electronics applications than additively manufactured conductors.

Stretchable conductors: thin gold films on silicone elastomer

2003 ◽  
Vol 795 ◽  
Author(s):  
Stéphanie P. Lacour ◽  
Sigurd Wagner ◽  
Z. Suo
Keyword(s):  
Electrical Resistance ◽  
Tensile Strain ◽  
Scale Structure ◽  
Gold Layer ◽  
Silicone Elastomer ◽  
Gold Films ◽  
Electrically Conducting ◽  
Electrical Interconnects ◽  
Stretchable Conductors ◽  
Micrometer Scale

ABSTRACTThin stripes of gold deposited onto elastomeric substrates can be stretched reversibly by more than 20 % while remaining electrically conducting. We are developing such stripes to serve as electrical interconnects on stretchable electronic skins. The gold layers are 25-nm to 500-nm thick. We observe two different film morphologies: the stripe is either buckled and continuous, or flat and contains micrometer-long cracks. Stretchability is correlated with the thickness and initial topography of the gold layer. Stripes thicker than 100-nm fail electrically at tensile strain of ∼ 1 %, while thinner stripes remain conducting up to much larger strain. Upon stretching the buckled stripes flatten and break into islands of 1 to 100 micrometers on a side, while the initially microcracked stripes retain their micrometer scale structure. The electrical resistance of the buckled stripes is the lowest but the micro-textured stripes can be stretched more.

ELECTRICAL CHARACTERIZATION OF EPITAXIAL BI:2201

2002 ◽  
Vol 16 (04) ◽  
pp. 127-133 ◽  
Author(s):  
A. V. POP ◽  
G. ILONCA ◽  
MARIANA POP ◽  
R. DELTOUR
Keyword(s):  
Thin Films ◽  
Electrical Resistivity ◽  
Magnetron Sputtering ◽  
Normal State ◽  
Electrical Resistance ◽  
Electrical Characterization ◽  
Dc Magnetron Sputtering ◽  
Normal State Resistivity ◽  
Partial Pressures

Bi2.1Sr1.9CuOy thin films (Bi:2201) were deposited onto heated single crystal (100) MgO substrates using inverted cylindrical DC magnetron sputtering with different partial pressures of oxygen in a sputtering gas. The behavior of the normal state resistivity function of temperature is strongly influenced by the composition of sputtering gas used in thin films synthesis. Near the transition to the superconducting state, electrical resistivity changes strongly from "metallic" to insulator (MI). The origin for the increase of electrical resistance was analyzed using some models for the localization of mobile carriers. A good linearity is obtained for ln R as a function of Tα for α = 1/10 and for R as a function of ln T. The last behavior agrees with the pinning and fragmentation of 1D stripes in CuO2 planes.

scholarly journals I-V characteristic behavior of BSCCO-2223 superconductor under low intensity DC magnetic fields a Home-Made Experiment

2018 ◽  
Vol 1 (2) ◽  
Author(s):  
Guilherme Botega Torsoni ◽  
Gustavo Quereza Freitas ◽  
Claudio Luis Carvalho
Keyword(s):  
Magnetic Field ◽  
Electrical Resistance ◽  
Electrical Characterization ◽  
Electrical Current ◽  
Double Step ◽  
Dc Magnetic Field ◽  
Low Intensity ◽  
Current Voltage ◽  
Copper Coil

Electrical characterization of superconductor materials exposed to external magnetic field play a important role for many technological applications. In this paper, the electrical characterization of Bi-2223 pellet prepared by conventional route was performed. The electrical resistance temperaturedependence (RxT), showed a superconductor transition at around 105 K. The current-voltage (I-V) behavior under magnetic field and temperature has been investigated, the results point to a powerlaw dependence between the electrical current (I) and applied voltage (V), at different conditions, as described by the literature. The external DC magnetic field, was produced by a simple home-made apparatus, where a simple copper coil was used to produce an external DC magnetic field between 2,0 mT and 8,0 mT. Then, the dependence of the critical current (Ic) on magnetic field and temperature has been studied, revealing a double step behavior DOI:http://dx.doi.org/10.30609/JETI.2018-2.5682

Effects of temperature and tensile strain on the electrical resistance of nanometric gold films

2019 ◽  
Vol 6 (6) ◽  
pp. 066407 ◽  
Author(s):  
A I Oliva ◽  
L Ruiz-Tabasco ◽  
J Ojeda-García ◽  
J E Corona ◽  
V Sosa ◽  
...  
Keyword(s):  
Electrical Resistance ◽  
Tensile Strain ◽  
Gold Films ◽  
Effects Of Temperature

scholarly journals Electrical Characterization of Thin PEDOT:PSS Films on Alumina and Thiol–Ene Substrates

Polymers ◽  
2021 ◽  
Vol 13 (20) ◽  
pp. 3519
Author(s):  
Dalius Jucius ◽  
Rimantas Gudaitis ◽  
Algirdas Lazauskas ◽  
Viktoras Grigaliūnas
Keyword(s):  
Electrical Properties ◽  
Electrical Resistance ◽  
Room Temperature ◽  
Electrical Characterization ◽  
The Novel ◽  
Alumina Ceramics ◽  
Ceramic Substrates ◽  
Wide Range ◽  
Long Time

Transparent polymer layers that heal minor scratches and maintain the optical properties of the devices for a long time are highly desirable in optoelectronics. This paper presents the results of the electrical characterization of thin PEDOT:PSS films on the novel, optically transparent thiol–ene substrates capable of healing scratches under room-temperature conditions. Electrical properties of the PEDOT:PSS films deposited on the conventional alumina ceramic substrates were also tested for comparative purposes. This study demonstrated that the substrate can have a significant effect on the electrical properties of PEDOT:PSS films, and the electrical resistance of the films on thiol–ene substrates is not as stable as on alumina ceramics. However, the changes in electrical resistance of the films on thiol–ene are small enough over a sufficiently wide range of operating temperatures and relative humidities and allow the application of such bilayers in various polymeric optoelectronic devices.

“Preparation of Single Crystalline Gold Films for ED Studies”

1972 ◽  
Vol 30 ◽  
pp. 634-635
Author(s):  
Joseph D. C. Peng
Keyword(s):  
Crystal Morphology ◽  
Diffraction Theory ◽  
Scattering Matrix ◽  
Vacuum Evaporation ◽  
Gold Films ◽  
Matrix Formulation ◽  
Silver Films ◽  
Single Crystalline ◽  
Grating Pattern ◽  
Stacking Disorder

The relative intensities of the ED spots in a cross-grating pattern can be calculated using N-beam electron diffraction theory. The scattering matrix formulation of N-beam ED theory has been previously applied to imperfect microcrystals of gold containing stacking disorder (coherent twinning) in the (111) crystal plane. In the present experiment an effort has been made to grow single-crystalline, defect-free (111) gold films of a uniform and accurately know thickness using vacuum evaporation techniques. These represent stringent conditions to be met experimentally; however, if a meaningful comparison is to be made between theory and experiment, these factors must be carefully controlled. It is well-known that crystal morphology, perfection, and orientation each have pronounced effects on relative intensities in single crystals.The double evaporation method first suggested by Pashley was employed with some modifications. Oriented silver films of a thickness of about 1500Å were first grown by vacuum evaporation on freshly cleaved mica, with the substrate temperature at 285° C during evaporation with the deposition rate at 500-800Å/sec.

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