Conductivity Measurements of Silverpastes

Dirix, M.; Koch, O.

doi:10.14311/1221

Acta Polytech

2010

DOI: 10.14311/1221

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Conductivity Measurements of Silverpastes

M. Dirix¹,

O. Koch²

Abstract: The development of three-dimensional printed circuit boards requires research on new materials which can easily be deformed. Conducting pastes are well suited for deformation even after they are applied to the dielectric carrier. This paper deals with measurements of the electrical conductivity of these conducting pastes. Two different conductivity measurement techniques are explained and carried out. The resulting measurements give an overview of the conductivity of several measured samples.

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Conductivity extraction of thin Ti3C2Tx MXene films over 1–10 GHz using capacitively coupled test-fixture

Alhassoon

Han

Malallah

et al. 2020

Applied Physics Letters

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Thin films of two-dimensional MXene (Ti3C2Tx) are evaluated in terms of their conductivity over the radio frequency (RF) range of 1–10 GHz using a custom designed test fixture. A contactless method is developed for extracting the conductivity of MXene films of various thickness (1.0–4.3 μm) at RF frequencies. Open ended MXene transmission lines with various thicknesses are spray-coated on polyethylene terephthalate substrates capacitively coupled to a copper transmission line test fixture realized on a RT/duroid (filled polytetrafluoroethylene composite laminate) substrate to provide solderless repeatable RF connection. The extraction process is based on the least squares error method of curve fitting to minimize the difference between the full wave numerically simulated scattering parameters and the measured values of the test circuit for various samples. RF characterization was performed for three MXene samples, with thicknesses of about 1.0, 1.5, and 4.3 μm to extract the corresponding conductivity. Moreover, MXene performance was compared against copper and graphite films. The highest conductivity of 1.2 × 106 S/m was extracted for the 4.3 μm thick Ti3C2Tx film. The extracted MXene conductivity is used to predict the quality factor and efficiency of antennas. This study suggests that MXene films are attractive for RF applications and can be used as conductive layers on 3D-printed RF circuits.

show abstract

Conductivity extraction of thin Ti3C2Tx MXene films over 1–10 GHz using capacitively coupled test-fixture

Alhassoon

Han

Malallah

et al. 2020

Applied Physics Letters

View full text Add to dashboard Cite

show abstract

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Conductivity Measurements of Silverpastes

Cited by 1 publication

References 4 publications

Conductivity extraction of thin Ti3C2Tx MXene films over 1–10 GHz using capacitively coupled test-fixture

Conductivity extraction of thin Ti3C2Tx MXene films over 1–10 GHz using capacitively coupled test-fixture

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