Nishkala Rao

6 Questions 8 Answers 0 Followers

Questions related from Nishkala Rao

How prepare(make contacts) hexaferrite samples for microwave absorption studies?

Hello, I'm working on the microwave properties of hexaferrites. It would be helpful if anyone tell me about to prepare(after the synthesis, like making contacts, etc) the synthesized pellets for...

20 November 2023 9,280 6 View

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

Hello, I'm working with polycrystalline bulk ferrites and I'm getting negative value of sigma dc in dielectric spectroscopy. What is the meaning or significance of negative sigma dc? Thanks,

12 April 2022 5,054 2 View

Why grain and grain boundary are not visible in Nyquist plots for dielectric spectroscopy of ferrites?

I'm working on dielectric properties of bulk ferrites. The plots of dielectric constant with frequency and dielectric loss show Maxwell-Wagner behavior. FESEM images show there are grain and...

08 April 2022 5,852 2 View

How to load sites in MossA software?

I'm working on Mossbauer spectroscopy of hexaferrites, in which Fe resides in 5 different crystallographic sites. I'm trying to analyse the Mossbauer data using MossA software. There is an option...

01 October 2021 9,141 4 View

What is the meaning of tangent loss V/s frequency doesn't show any relaxation peak?

I'm working with a dielectric ceramic material. I plotted tangent loss V's frequency and it doesn't show any peak which corresponds to the relaxation mechanism. What does this mean? How to...

09 March 2021 8,156 4 View

How to make silver conductive paste from metal Ag for dielectric studies?

Can anyone please tell me a detailed method to make a silver conductive paste from metal Ag for dielectric studies? We have procured metal Ag from Sigma Aldrich with CAS number - 7440-22-4....

25 February 2021 5,038 4 View