Problems in understanding HRTEM image of Carbon nanowall (CNWs) / Vertical graphene nanosheets(VGNs)?

Please see the attached HRTEM and corresponding FFT images of my CNW / VGN sample. I am getting an interlayer spacing of 0.22 nm from ImageJ while strongest spots in FFT gives me 0.33 nm/Cycles....

06 July 2018 7,321 5 View

Problem in identifying mixed Bx-C phases from XPS data?

We have deposited mixed Boron Carbide phases using PECVD. While deconvoluting XPS results, we have got a peak at 187.42 eV in B1s spectrum which we are having trouble to identify. Since the peak...

10 November 2013 8,878 6 View

When performing an energy dispersive X-ray analysis (EDX) analysis what should we normally take into consideration?

During EDX analysis we normally get elemental composition both in Normalized atomic % concentration and Normalized wt % concentration. For reporting EDX data for chemical composition atomic % is...

09 October 2013 4,093 12 View

What is a possible way of measuring average MWCNT diameter?

I have grown MWCNT and I have Raman, SEM, TEM and field emission data of it. Thanks in advance.

09 October 2013 7,313 11 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 1 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View