How the conductivity of Graphene/Graphite can be measured?

More Kapil Bhatt's questions See All

Can the capacitance of a Graphene based FET can be calculate via CV charge discharge method?

As in case of capacitance calculation for super-capacitor the CV charge discharge method is popularly used. Can the similar method be implement to calculate the capacitance for graphene based...

07 August 2019 7,471 6 View

How to get 4-5 nm layer of oxide on any metal layer at normal laboratory conditions and room temperature?

I tried to get the 4-5 nm layer thikness of any metal oxide layer on glass/ silicon but thickness was sufficiently high and the required value was not achieved. Please help me out in this regard

05 June 2019 7,516 1 View

Can anybody help me figure out which material does this XRD reflects?

Can anybody help me figure out which material does this XRD reflects? Is it Al AL2O3

11 December 2018 3,134 9 View

Why heavy particle decays more rapidly inside a barrier than that of a light particle?

It is the first time i have heard about the heavy and light particles of an oscillating wave inside a barrier if it is so? Then is there any answer to what are heavy and light particles inside a...

04 May 2018 4,799 0 View

What is difference between band bending and band lowering?

In Schottky emission the band is lowered due to application of externally applied electric field to thermally activated surface.However generally when a metal surface in brought in contact with...

03 April 2018 5,594 5 View

How to take electrical characterizations of Graphene based FET as UV sensor?

How to take electrical characterizations of Graphene based FET as UV sensor? I have following details for the same!!! For the proposed application, to my understanding from the literature...

01 February 2018 6,471 0 View

Why the Electron Mobility is low than Hole Mobility in Graphene?

Why the Electron Mobility is low than Hole Mobility in Graphene especially in graphene based FET. For more information please refer to below articles. 1. Silvestre, Ive, Evandro A. de Morais,...

31 December 2017 2,538 1 View

What is difference between optical and electrical conductivity of graphene ?

In order to simulate Graphene based patch there is requirements of many parameters in HFSS OR cst ETC. softwares. What will be the value of conductivity is to be taken for graphene in HFSS for...

11 December 2017 5,200 0 View

Can anybody help me regarding, I have got the Raman spectra of my fabricated Graphene Ink but could not able to get the peaks details?

I have fabricated the Graphene based Ink , can anybody help me regarding to understand me the Raman spectra of my fabricated Graphene ink? Image of data is attached here with

11 December 2017 8,810 4 View

Dear all how to correlate the Dirac shift of Graphite based FETs with Graphene based Field Effect Transistors (FETs) ?

I have gone through many papers on Dirac shift but could find satisfactorily the the role of Dirac shift in Graphene based Field Effect Transistors (FETs)?Also is there any Dirac shift occur in...

10 November 2017 5,914 0 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

Provided that the shale conductivity termed here x increases with temperature, how could we compute it at reservoir temperature ?

one could use Waxman and Thomas (1974) work?

22 July 2024 6,637 0 View

I obtain two plateu instead of one in LFP cathode assembled with graphite anode in 1M LiTFSI in DOL/DME, what does this mean?

I have attached the charging curve from the battery tester for review. I need help on what is happening

21 July 2024 6,898 2 View

How to convert magnetic conductivity from SI to lattice units?

I'm simulating a magnetohydrodynamic problem of blood flow using lattice Boltzmann method in lattice units and I need to convert the magnetic conductivity to lattice units. The physical value is...

07 July 2024 5,243 0 View

Graphene and graphene oxide as cancer factor?

Please, can any one inform us about risks of graphene and graphene oxide as a factor of cancer growth?

28 June 2024 6,815 4 View

Talha Nisar

use standard 4 probe conductivity method. You can read the following article

https://en.wikipedia.org/wiki/Four-terminal_sensing

Ali Habeeb

Alaa Fahmy

broad band dielectric relaxation spectroscopy

Kapil Bhatt

But for powder form

Yasameen Hameed Abed

The conductivity of graphite if it is as a powder was measured as a function of the volume fraction of graphite (or air) along (axial) and across (transverse) the direction of compression