saturable absorption in Z-scan ?

In 2-D bilayer indirect band gap material with no traps is it possible to get saturable absorption behaviour when exciting with energy less then the band gap.

10 November 2017 5,248 0 View

Z-scan

what could be the final form of the equation how it looks like when saturable and reverse saturable absorption present in the sample at lower and higher intensities,I mean combining total...

04 May 2017 1,775 6 View

Z-scan saturable absorption

Regarding z-scan, while fitting open aperture data how can we get conformation that we are on a right track while calculating saturation intensity Is is it less then peak intensity or...

04 May 2017 160 4 View

Z-scan experimental technique ?

Since in z-scan experiment intensity that people normally refer is in Gw/Cm2 i want to know how to maintain such a high intensity and can some body suggest how to calculate it during the experiment.

03 April 2017 2,492 1 View

Charge/energy transfer in 0D/2D hetrostructure ?

Is it possible to achieve Electron transfer from CdSe QDs( with TOP ligand on its surface)to 2-D material in time a time domain of 45-50 ps ? What is the effect of different ligands on ET transfer...

03 April 2017 5,564 2 View

How to find Kerr rotation in easiest way?

Kerr rotation measurement ?

05 June 2016 6,076 1 View

How to calculate fermi energy for 2-D hexagonal lattice?

fermi energy

03 April 2016 6,305 2 View

1st Law Of Thermodynamics?

11 December 2015 3,854 15 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

No streamlines present in a small region inside a flow. This means exactly what?

No streamlines present means whether the flow is getting obstructed there and the velocity inside the region is zero? Or else, the fluid is trapped inside that region with a nonzero velocity?...

22 February 2021 5,249 10 View