What are the great differences between FESEM and TEM??

What are the great differences between FESEM and TEM?? Is TEM essential to define the crystal lattice and crystal defects of the nanoparticles, or XRD is more accurate than TEM to define the same?

31 December 2017 1,613 6 View

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04 May 2017 1,294 18 View

Dear colleagues, What about the growth of powder nanoparticles !!??

Is there a prefered orientation for the powder nanoparticles formation? Are there a probable defects may be occurred like those formed in case of the thin-film texture? Can XRD detect...

09 October 2016 1,220 2 View

Please, Can any one inform me if XRD can detect the different types of the crystalline imperfections ? What are the used software programs?

Please, Can any one inform me if XRD can detect the different types of the crystalline imperfections ? What are the used software programs? are there free programs can determine these defects? If...

04 May 2016 6,048 4 View

Why RG does not announce about the research works which recorded the highest reading through the ended week?

03 April 2016 540 13 View

Are there any confirmed ways to prepare a glassy system without resorting to the phase diagram?

When preparing a ternary glassy system we resort to the phase diagram of that composition to know the probable percentage of its constituent elements and to know the probable regions of the...

01 February 2016 7,180 3 View

Is Vegard's law valid to calculate the optical energy gap of glassy chalcogenide (II-VI) alloys?

07 August 2015 4,741 3 View

Why is the resistance of an disordered alloy so high?

02 March 2015 498 8 View

Why does the resistivity of an alloy need to be between those of its components, or at least similar to them?

02 March 2015 6,689 10 View

Is it possible that the electronic transitions are resulting from direct transitions in amorphous chalcogenide alloys?

By accurate calculations of the experimental data of the absorption coefficient, It was found that the obtained optical energy gap of chalcogenide amorphous compositions be produced as a result of...

31 December 2014 3,215 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View