Alireza Shirazi Amin

5 Questions 5 Answers 0 Followers

Questions related from Alireza Shirazi Amin

What is the relationship between T1 relaxation time and ionic diffusion ?

I wondered how transient solid-state NMR can be adopted to study the 1D diffusion pathway of of ions in a solid material? What is the relationship between the relaxation time (T1) and ionic...

05 March 2021 773 2 View

How do we interpret the diffuse streaks seen in the electron diffraction pattern?

I have observed diffuse streaks in the electron diffraction of 2D crystalline material. I am not quite sure how I should interpret these streaks. I was wondering what the physical meaning of these...

22 February 2021 809 1 View

Why some spots are brighter than the others on electron diffraction pattern of my material?

I have captured the electron diffraction pattern of a crystalline material and realized that ED shows a pattern characteristic to single crystal structures. However, I noticed that some spots are...

19 February 2021 4,178 5 View

What would be the potential source of observing unstable open-circuit potential (OCP) for a Li-ion battery half cell (cathode)?

The OCP test of an oxide material applied as the cathode in a 2-electrode coin cell set-up was done. The OCP value did not show a constant value and it kept increasing during the test. What would...

24 July 2020 4,119 0 View

Why does the charge transfer resistance of series of electrode materials show different trends in different solutions?

I have tried the electrochemical impedance spectroscopy (EIS) for a series of electrode materials in two different electrolyte solutions but surprisingly I came up with two completely different...

21 April 2020 6,640 0 View