Determining electrical resistance between two electrode rods

Golovin, V. S.; Zheltov, V. G.

doi:10.1007/bf01187102

Cited by 2 publications

(2 citation statements)

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“…Two wires in an electrolyte are often used in conductance measurements of biological flu-ids, but these are typically calibrated empirically with solutions of known conductance yielding a "cell constant." However, for such systems, an analogy to electrostatics 32 can be used, as in the areas of glass technology 33,34 and anodic corrosion protection in soil. 35,36 In this latter field, easy-to-use formulas were derived, which can be used to determine R D .…”

Section: Theoretical: Resistances and Potentialsmentioning

confidence: 99%

Electrochemical Differentiation and TOF-SIMS Characterization of Thiol-Coated Gold Features for (Bio)chemical Sensor Applications

Tencer¹,

Nie²,

Berini³

2009

J. Electrochem. Soc.

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A method to chemically differentiate small closely spaced lithographically defined Au features with different thiol-based self-assembled monolayers (SAMs) was developed. The key step in the method is the reductive electrochemical desorption of a SAM from a specific Au feature without affecting SAMs on neighboring Au features by simultaneously controlling their potentials with a multichannel potentiostat. The method is demonstrated by chemically differentiating the arms of a Au plasmonic Mach–Zehnder interferometer such that the arms have different affinities toward an analyte, thus rendering the interferometer useful for (bio)chemical sensing. The simultaneous presence of a poly(ethylene glycol)-terminated SAM on one arm, and of a biotin-terminated SAM on the other, was verified by imaging with time-of-flight secondary ion mass spectrometry (TOF-SIMS) and phase-shift atomic force microscopy. The method can be applied generally to chemically differentiate a large number of electrically isolated Au features simultaneously, leading to low cost wafer-scale functionalization of (bio)chemical sensors and other devices.

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Section: Theoretical: Resistances and Potentialsmentioning

confidence: 99%

Electrochemical Differentiation and TOF-SIMS Characterization of Thiol-Coated Gold Features for (Bio)chemical Sensor Applications

Tencer¹,

Nie²,

Berini³

2009

J. Electrochem. Soc.

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“…The electrical resistance between any two parallel metal traces through an electrolyte with the specific resistance ρ can be estimated as 3,14,15 …”

Section: Voltage Drop Between Waveguides Through the Electrolytementioning

confidence: 99%

Chip-Scale Electrochemical Differentiation of SAM-Coated Gold Features Using a Probe Array

Tencer

Olivieri

Tezel

et al. 2012

J. Electrochem. Soc.

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A method for chemically differentiating the surface of a set of small, closely-spaced, lithographically-defined Au features on a die, from another set of similar features intimately inter-dispersed, is described. The key enabler of the method is a standard electronics probe array adapted to carry out electrochemistry on the features. The probe array is used first to verify the electrical integrity of features and the quality of electrical contacts by measuring electrical resistance, then, in the presence of the electrolyte, simultaneously maintain one potential on one set of Au features and another potential on the other set in order to carry out desired electrochemical reactions. The technique was demonstrated on dies bearing 40 electrically isolated Au features (based on 5 μm wide stripes) accessed via 64 contact pads each 100×100 μm 2 in area. The array had 64 probes, of which 16 were maintained at a desorbing potential (-1.6 V vs. Ag/AgCl) and 48 at a stability potential (-0.3 V). The surface compositions were analyzed with time-of-flight secondary ion mass spectrometry by imaging ion fragments characteristic to the thiols forming SAMs, thereby validating the process.

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Determining electrical resistance between two electrode rods

Cited by 2 publications

References 0 publications

Electrochemical Differentiation and TOF-SIMS Characterization of Thiol-Coated Gold Features for (Bio)chemical Sensor Applications

Electrochemical Differentiation and TOF-SIMS Characterization of Thiol-Coated Gold Features for (Bio)chemical Sensor Applications

Chip-Scale Electrochemical Differentiation of SAM-Coated Gold Features Using a Probe Array

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