What is the meaning of negative value of sigma dc in dielectric spectroscopy?

More Nishkala Rao's questions See All

I am trying to find phonon, and when i run calculations, there is error ?

how to fix this error, from phq_readin : error # 1 DFPT with the Blochl correction is not implemented I am attaching my ph.in file.

23 July 2024 4,649 2 View

Cresyl violet Nissl Staining ?

Kindly confirm how to distinguish glia cells and neurons using cresyl violet staining. Also, using cresyl violet nissl staining how to identify the apoptotic neurons ? Does this stain stains...

18 July 2024 2,420 0 View

Apoptosis and MTT Assay ?

Kindly confirm can we do MTT assay for quantification of apoptosis. Is MTT Assay a valid assay to quantify apoptotic cells ? What about LDH assay ?..how is it better for apoptosis quantification...

08 July 2024 5,482 2 View

Price for side scan bathymetry instrument ?

We want to purchase few units

26 June 2024 3,068 0 View

Can someone help me getting the published version of a research article?

I needed help to get the published final version of a research article titled: "Alterations in placental long chain polyunsaturated fatty acid metabolism in human intrauterine growth...

11 June 2024 3,120 2 View

What happens to qPCR if extension step is not included?

I am trying to measure telomere length in human DNA samples through qPCR. In the protocol, they have not included extension step. Can anybody explain how a qPCR can work without an extension step?...

31 May 2024 514 2 View

Im looking for the Cloud Technology research guide in mangalore. Can anyone recommend some names on which we discuss ?

28 May 2024 2,865 1 View

Standardisation happening in all sectors across the globe by various international bodies, then why not standardise“National Government Functioning” ?

Quality Infrastructure ( QI ) has been established across the globe to create a mechanism for independent third party assessment of products, services and processes. It plays a pivotal role at the...

16 May 2024 4,703 10 View

How can we Map availability and quality of Water using satellite images using AI?

Satellite images are available for various bandwidths. How can we reap benefits of AI to classify and recognise the status of water bodies? How can we predict the availability of quality water for...

16 May 2024 3,523 2 View

With the advancement in Agricultural Sciences, can we get Olive Oil at an affordable price in global market due to its health benefits to humans?

There are numerous cooking oils are available in international markets for mass consumption at an affordable prices. Due to health benefits, can we make available the Olive Oil at reasonable...

08 May 2024 4,526 3 View

How does grain and grain boundary affect the ceramic when studying its dielectric properties?

I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...

07 August 2024 5,177 3 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 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

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

What is single absorption ESR spectroscopy ?

In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?

25 July 2024 2,325 1 View

Has the Affordable Connectivity Program Helped You/Your Community? And Would Bulk Tablets on a Similar Program Help Your Business?

Do You Believe VP Harris Would Show Empathy to Tech Companies in Her Administration as POTUS? I ask in light of the fact that, the ACP was not re-funded this round. So many and businesses need...

24 July 2024 4,732 3 View

How to saturate steel samples with hydrogen?

I have tried to saturate ferritic steel with hydrogen using the electrolytic method and H2SO4. However, the effect was very poor even after 3 days of "saturation". Can anybody help in choosing a...

24 July 2024 4,393 2 View

Can we fit a gaussian Fit on a LIBS Peak ?

Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...

23 July 2024 6,127 1 View

What binder would be the best choice to modify glassy carbon electrode with a 2D Material like Graphene or MXene?

I am trying to drop cast 2D Materials on Glassy Carbon Electrode for Cyclic voltametry and EIS purpose. What would be best binders to use?

23 July 2024 5,776 2 View

Souvik Bhattacharjee

The following articles might help.

1. Article Temperature and voltage dependence C–V and G/ω–V characteris...

2. Article Negative conductance in semiconductors

3. Article Negative capacitance switching in size-modulated Fe3O4 nanop...

4. https://www.sciencedirect.com/science/article/pii/B9780080210445500106

Ali A. Al-Allaq

Please see the following research, I hope it is useful