Can we Observe any Difference in Raman Spectra taken from a thin film and a bunch of nanostructures of the same material?

Whether we can Observe any Difference in Raman Spectra taken from a thin film and a bunch of nanostructures of the same material? If I am taking Raman Spectra from a thin film and I am repeating...

01 February 2016 523 9 View

What is the Working Principle of Confocal Microscopy? and What is the Advantage of Confocal microscopy over the Normal Microscope?

What is the Working Principle of Confocal Microscopy? and What is the Advantage of Confocal microscope over the Normal Microscope? If I am exciting one sample with high intense laser beam (514nm)...

01 February 2016 9,379 6 View

How we are getting nanometer level resolution for the Far field excitation using Normal Objective and Near field Collection using NSOM probe?

01 February 2016 8,918 3 View

How is the light getting additional momentum if it is passing through some array of nanostructures?

How the light is getting additional momentum if it is passing through some array of periodic nanostructures? How the light is getting an additional momentum (2pi/G) if it is passing through an...

31 December 2015 1,417 8 View

Is it possible to guide visible light through a semiconductor 1D NW (d<50 nm)?

Is it possible to guide visible light through a semiconductor 1D NW (d

11 December 2015 5,208 3 View

Which excitation wavelength is most suitable for subdiffraction limited Gold (Au) nanoparticle to excite its surface plasmons?

Which excitation wavelength is most suitable for subdiffraction limited Gold (Au) nanoparticle (NP) to excite its surface plasmons??If we are using a series excitation wavelength from NUV to IR...

11 December 2015 3,014 12 View

Can we send light through an aperture having the size less than the wavelength of incident light?

08 September 2015 5,179 4 View

Do the photo luminescence spectra of single crystal is depends on different planes and orientations ?

whether the photo luminescence spectra of single crystal is depends on different planes and orientations ??? especially for GaN c- and m-planes of hexagonal micro crystals??? if it so what is the...

02 March 2015 351 2 View

How we can improve and control the aluminium concentration in the AlGaN nanostructures synthesised by CVD technique?

02 March 2015 408 0 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 View

Can a semi-conductor material have different absorption coefficient?

Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...

23 February 2021 9,799 4 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

Any resist stripper which can remove thick metal based polymer residue and which is compatible with doped silicon ?

I am looking some resist strippers which can easily remove metal based polymer residue after post dry etch process. I have some candidates below but not sure if they are compatible with doped...

21 January 2021 3,008 3 View

What is the best way to calculate electrical conductivity of semiconductors and the same system with a layer of oxide using Quantum Espresso?

I have tried BoltzTrap, and EPW but I'm not sure whether Boltzmann Transport Equation is a right approach for a complex system (semi cond. + an Oxide layer or even the semiconductor itself). Also...

11 January 2021 4,597 4 View

What are the procedures for environment friendly and effective methods to prepare silicon QDs, Si nanotubes and silicene (2D materials)?

There are different nanostructures of silicon like nanotubes, QDs and silicene. I need to know what are the 'green' or other effective methods for preparing them..please share the procedures of...

10 January 2021 3,418 1 View

What materials besides gold can be infused into window panes?

Hello, Driving around, I have noticed a lot of office buildings where the glass panes have been infused with gold. The thin layer of gold reflects the sun and keeps the office at a comfortable,...

06 January 2021 976 4 View

How to calculate the band potential of a semiconductor material using energy band gap?

I am looking for methods to calculate the band potential of ZnFe2O4 and Fe2O3.

05 January 2021 6,416 2 View

Application for Ph.D. in Inorganic Chemistry?

I hope to have the opportunity to continue toI hope to have the opportunity to continue to do more in-depth research, do more in-depth research. My main field is to use semiconductor metal oxides...

04 January 2021 1,148 2 View