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

What is the channel (path) for visible light in a semiconductor ID nanowire (d<50nm)??

What is the channel (path) for visible light in a semiconductor ID nanowire (d

11 December 2015 5,266 3 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 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

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

What is the error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View