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Dielectric spectroscopy

Dielectric spectroscopy (which falls in a subcategory of the impedance spectroscopy) measures the dielectric properties of a medium as a function of frequency. It is based on the interaction of an external field with the electric dipole moment of the sample, often expressed by permittivity.

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Overview

Dielectric mechanisms

Principles

Measurement of the impedance parameters

Applications

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Dielectric spectroscopy

Nodes60
Edges59
Triples10
Avg. degree1.97
Density0.033333
Components1

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Important terminology

impedance frequency dielectric displaystyle electrochemical field response system spectroscopy relaxation text resistance used polarization reaction systems properties redox charge electric

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SubjectPredicateObjectConfidenceSrc
fuel cell testinginstance ofEIS examines them.This technique has grown tremendously in stature over the past few years and is now being widely employed in a wide variety of scientific fields0.80text
biomolecular interactioninstance ofEIS examines them.This technique has grown tremendously in stature over the past few years and is now being widely employed in a wide variety of scientific fields0.80text
and microstructural characterizationinstance ofEIS examines them.This technique has grown tremendously in stature over the past few years and is now being widely employed in a wide variety of scientific fields0.80text
Bode plots can be used instead.Ohmic resistanceThe ohmic resistance R Ωinstance ofOther representations0.80text
Bode plots can be used insteadinstance ofOther representations0.80text
Escherichia coli O157instance ofit is a useful tool to investigate the quality of coatings and to detect the presence of corrosion.It is used in many biosensor systems as a label-free technique to measure bact…0.80text
total body waterinstance ofand is used to estimate body composition as well as different parameters0.80text
free fat mass.Electrochemical impedance spectroscopy can be used to obtain the frequency response of batteriesinstance ofand is used to estimate body composition as well as different parameters0.80text
electrocatalytic systems at relatively high temperatures.Biomedical sensors working in the microwave range relies on dielectric spectroscopy to detect changes in the dielectric properties over a frequency rangeinstance ofand is used to estimate body composition as well as different parameters0.80text
such as non-invasive continuous blood glucose monitoringinstance ofand is used to estimate body composition as well as different parameters0.80text

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