How the polarization of light interact the phonon modes?

More Smrutiranjan Mekap's questions See All

How magnetic propgation changes upon increasing temperature?

How can we determine the magnetic propagation from neutron diffraction.

04 January 2024 2,092 4 View

When we get more number of Raman modes than expected modes for a crystal structure?

Large number of modes experimentally detected what is the possible reason.

02 January 2024 6,926 2 View

How can we measure the length magnetic propagation vector with temperature?

I want to measure the length of magnetic propagation vector Kx o different magnetic phases. please give your suggestion.

27 September 2023 9,753 0 View

What is the difference between magnetic bubbles and magnetic skyrmions?

How they are related and what is the differences?

25 April 2023 8,868 2 View

What is Jahn-Teller Raman mode?

In Lanthanum manganate perovskite, we assign particular phonon mode as Jahn-Teller phonon mode. What do we mean by that, whether there is something related to crystal field splitting or that...

22 February 2023 8,594 1 View

Can we predict the type of magnetic interaction from Raman Spectroscopic study?

For understanding the magnetic phase transition in materials, by Temperature dependent Raman spectroscopy.

02 January 2023 7,609 3 View

Why near infrared region of resonance is preferred in case of cancer treatment by photo-thermal therapy?

Why the optical resonance wavelength is tuned at NIR region for treatment against cancer using thermal therapies?

24 March 2017 5,345 1 View

Can anybody help me in the balancing equation of manganese zinc ferrite?

I want to make Manganese Zinc Ferrite. For that I took MnCl2.4H2O, ZnCl2, FeCl3.6H2O as precursor. My final product should be Mn0.5Zn0.5Fe2O4 I assume the equation as aMnCl2.4H2O + bZnCl2 +...

10 January 2017 8,559 4 View

How to figure out the default parameters that we can get from different modules in COMSOL and call that later for defining another function?

Hi all, I need to know the way to figure out the available by default output values from different modules which can be used in COMSOL. To make my statement clear, I am using the magnetic field no...

01 January 1970 1,615 7 View

Controlling for pupil light reflex when analyzing pupil size time course?

I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...

10 August 2024 3,229 0 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 do paired electrons atoms produce no magnetic field lines?

If you think of electrons with spin as bar magnets, you know bar magnets of opposite polarity as long as they're not occupying the same spatial location don't cancel out each other's magnetic...

03 August 2024 3,927 2 View

Z-average size from Dynamic Light scattering can it be lower than the original probe size?

Hi everyone, Recently I have been conducting Dynamic Light scattering experiments in a micellar solution at 5 and gel at 37 degrees of Celsius with latex particles of diameter 190-500 nm. While...

01 August 2024 1,168 4 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 View

What is the right voltage sweep direction for characterization of HER kinetics?

In general, when performing a Tafel analysis for corrosion resistance measurements, a line voltage scan is performed from say -250 to +250 mV vs. OCV at low scan speed around 0.125 mV/s. However,...

25 July 2024 7,982 3 View

Aqua regia not heating up?

I used Aqua regia to clean Au nanoparticles in the used glassware. But for some reasons, it is not heating up upon mixing. The color did change from no color to light orange. The Au NPs on the...

25 July 2024 4,390 0 View

I found the zeta potential of exosomes in DLS and it was -8mv. So is it correct or not ?

What should be the zeta potential of bovine milk exosomes

25 July 2024 7,376 5 View

Comparing Liposome Size: DLS Measurement vs. SEM Observation with Air Drying ?

I have an issue with SEM imaging of liposomes. When measured by DLS, they appear to be around 120 nm, but when using SEM with simple air drying, they appear much larger, around one micrometer.

25 July 2024 3,395 3 View

Can anyone kindly suggest research topics in the area of thermodynamics, heat transfer, fluid mechanics or renewable energy?

I am an undergraduate mechanical engineering student seeking suggestions on topics related to either thermodynamics, fluid mechanics, heat transfer or renewable energy for my final year project....

24 July 2024 4,058 5 View

Şükrü Aktaş

Raman spektrumlarının koordinatlarını (x,y,z) ve merkezini belirleyerek düzlem içi ve düzlem dışı olduğu belirlenebilir.

Mike Albert

This is not a simple topic. However it is completely understandable and calculable. An internet search turns up all kinds of information, references, even online calculators. See if something like this helps: Article Raman Selection Rules Calculator: A simplified selection rul...