Materials science - BioLogic

Materials science.

Browse this section of our site to find articles, videos, white papers and a wide range of information related to the field of Materials science.

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Topics (53)

Reduce parasitic impedance on high impedance measurements

EC-Lab® solutions for coupling with external devices

This article shows how to integrate, synchronize, and interface BioLogic potentiostats with other devices and instruments using EC-Lab.

Get the best EIS measurements, even with longer cables

As an industry leader in Electrochemical Impedance Spectroscopy, BioLogic ensures accurate EIS measurements, regardless of cable length, by compensating for parasitic effect with factory-calibrated cables. Focus on your research, not your setup.

ZFit: How the sensitivity factor can help optimize the equivalent circuit

Sensitivity functions can help you decide if a specific parameter is relevant or not.

Why use RDE and RRDE method to characterize electrocatalysts?

This article explains how BluRev can help you understand electrocatalyst properties using RDE and RRDE methods

How to select the right reference electrode?

This article helps you decide which reference electrode is best for your experiment

Introduction to High Throughput Screening

This article introduces high throughput screening and explains its advantages compared to iterative testing.

SDC or SECM for high throughput scanning?

The article compares Scanning Electrochemical Microscopy (SECM) and Scanning Droplet Cell (SDC) for high throughput workstation

What scanning probe electrochemistry platform is best for high throughput screening?

The article explains how to select the best high throughput workstation

Make life easier with smart limits and automatic I Range

This article explains new tools available in EC-Lab® V11.50 including I Range in Galvano mode and smart charge limits.

How to access electric variables in EC-Lab^®

EC-Lab® software allows access to the complex representation of the electrical variables obtained from electrochemical impedance measurements on ionic conductors.

ZFit: How to have confidence in results using std err.?

This article explains the significance of the std err. parameter in ZFit, the EIS fitting tool in EC-Lab.

ZSim and ZFit as learning tools. Part V – How to choose the proper equivalent circuit?

This article gives tips, tricks and general guidance for choosing the proper equivalent circuit.

ZSim and ZFit as learning tools. Part VII – Equivalent circuits identifiability

Explain the identifiability and unidentifiability properties of equivalent circuits

ZSim and ZFit as learning tools. Part VI – Equivalent circuits distinguishability

Explain the distinguishability properties of equivalent circuits

What is a Frequency Response Analyzer (FRA)?

What is a Frequency Response Analyzer, what is its principle? This article details key information about FRA.

What is a potentiostat and its use in Science & Industry (Electrochemistry Basics Series)

What is a potentiostat? An article detailing every aspect of this versatile electrochemical multitool. Covers Potentiostat functionality and operation, the history of the potentiostat, uses and applications and the future of the potentiostat

Scanning Probe Electrochemistry: A glossary of terms

What do the different terms relating to local electrochemistry mean? This article gives a definitive list

Distribution of Relaxation Times (DRT): how to identify equivalent circuits efficiently

The Distribution of Relaxation Times (DRT) analysis (equivalent circuit identification tool) is introduced.

What is Electrochemical Impedance Spectroscopy (EIS)? Electrochemistry Basics Series

Electrochemical Impedance spectroscopy (EIS) is a powerful tool enabling the study of processes that occur at the interface of the electrode.

Key factors to consider when looking for a scanning electrochemical workstation.

Factors of interest when looking at a scanning electrochemical workstation are discussed.

SECM101: Introduction to the redox mediator

The Scanning Electrochemical Microscopy (SECM) redox mediator is introduced.

SKP vs KPFM

Scanning Kelvin Probe and Kelvin Probe Force Microscopy are compared.

What is the definition of the impedance Z?

How to correctly define the $Z$ impedance

Which scanning probe electrochemistry technique?

The scanning probe electrochemistry techniques on the M470 are compared.

ZSim and ZFit as learning tools. Part IV – The effect of high frequency inductance.

High frequency inductance can strongly affect the shape of impedance graphs and need to be accounted for during data fitting.

ZSim and ZFit as learning tools. Part II – Why circle fitting is wrong?

We demonstrate why circle fitting should not be used to analyze impedance data using ZSim- part of EC-Lab, BioLogic's potentiostat control/analysis software

ZSim and ZFit as learning tools. Part III – How to detect an inductive behaviour at low frequencies

Does the Nyquist impedance diagram of the C1/R1/(R2+L2) circuit always have an inductive arc at low frequencies?

Multichannel & Single-channel potentiostats – what’s the difference? (Electrochemistry Basics Series)

An overview of the differences between single channel and multichannel potentiostat galvanostats

LEIS or ac-SECM?

Local Electrochemical Impedance Spectroscopy (LEIS) and Alternating Current-Scanning Electrochemical Microscopy (ac-SECM) are compared.

Don’t forget our YouTube Channel

Don't forget that a wide range of support, software tutorials and product support videos are also available on our YouTube Channel

Anatomy of an SKP probe

The key features of an SKP probe will be discussed.

How to correct impedance measurements when using longer cables or a test fixture (Electrochemistry Basics Series)

Focus on your Device under Test. How to remove parasitic impedance due to extension cables or connection interfaces

How to use electrochemical impedance spectroscopy (EIS) accuracy contour plots

EIS accuracy contour plots must be used to interpret errors made during EIS measurements and identify the best frequencies possible for a given impedance range.

The electrical conductivity of solid electrolytes

The efficiency and performance of energy storage devices depend on the electrical properties of the materials used for the anode, cathode and for the electrolyte.

Investigation of impedance measurements using the Z Sim tool (Electrochemistry Basics Series)

To adjust the frequency range of your EIS experiment or just to see the shape of your model, Z Sim is available on both EC-Lab® and BT-Lab® software.

Nyquist plots: Why use the orthonormal scale?

This article illustrates why the orthonormal scale should be used for Nyquist impedance plots.

100th Learning Center Published

How to get the best out of BioLogic's Learning Center

Split electrochemical impedance spectroscopy (EIS) experiments into multiple sequences: save time without compromising quality

Reliable impedance measurements require the system under study to remain linear and stationary during the whole measurement sequence. This article describes the ideal configuration for studying unstable systems such as batteries or supercaps to save time while maintaining good measurement quality.

Work smarter, not harder: Tech-tips

A series of short articles explaining how to work more efficiently and streamline your workflow

QCM: Why measure at overtones matters

The benefits of QCM measurements at overtones are described.

QCM: When is the Sauerbrey equation valid?

How to ensure the validity of the Sauerbrey equation

Connection to the cell – Part 3 – Permeation cell measurements (Working Electrode to Ground)

Last in a three part series about connection modes

Connection to the cell – Part 2 – Multi-electrode measurement

The second in a third part series of three articles about connection modes.

Connection to the cell – Part 1 – What is “ground”?

Different grounding options based on application type

Scanning probe electrochemistry for materials research

Scanning probe electrochemistry for materials research

Get more from your potentiostat. Understanding bandwidth & its effect on measurements (Electrochemistry basics series)

An article which gives an overview of the electronic system that sits behind a potentiostat/galvanostats and describes how it can affect your measurements.

Scanning Probe Electrochemistry & Materials Research

The use of scanning probe electrochemistry in materials science

PEIS or GEIS or GEIS-AA? That is the question.

This article explains when Electrochemical Impedance Spectroscopy (EIS) should be performed under potentio control (PEIS), galvano control (GEIS) and when GEIS-AA should be used.

ZFit (impedance fitting) tutorials for potentiostats and battery cyclers

Series of tutorials about ZFit, BioLogic's impedance fitting tool

Probing 2D Materials

2D materials have been investigated using traditional electrochemical methods, providing a global view of the 2D material under investigation.

Resolution, Precision, Accuracy, Temperature stability and Time base: The five to watch (Electrochemistry Basics Series)

The five characteristics that should be on every electrochemist’s radar

Potentiostats: Obtaining high quality measurements (Electrochemistry Basics Series)

This article gives some tips to improve the quality of measurements, from optimizing the setup or the connection interfaces, to the geometry of the cell itself.