Is anyone familiar with making 2" diameter pellets of Zinc and Magnesium using a hydraulic press?

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Can anyone help in understanding the zinc nitride crystal structure using XRD?

its crystal structure is complicated I cnt understand it any help will be admired regards

11 December 2015 9,388 5 View

What does negative slope in Eg calculation graph means?

that's the graph between (alphaE)2 and E

11 December 2015 9,426 9 View

Is scattering coefficient of any thin film wavelength dependant?

does 's' depend upon lambda (of light)???

11 December 2015 5,252 3 View

Can we calculate scattering coefficient of thin films from ellipsometry data and how?

zinc nitride thin films are synthesized but analysis of reflectance's data requires scattering coefficient's value too

11 December 2015 6,061 3 View

How to analyze xrd data???

details n softwares names required

07 August 2015 1,095 1 View

Can magnesium granular powder be ball milled to fine powder?

to make 2" pellet of fine ground magnesium, what time and balls must be used?

31 December 2014 1,041 7 View

Which polymer substrates are to be used for depositing thin film of ZnMgN?

Name the materials and their maximum operating temperatures please.

10 November 2013 5,751 2 View

Can anyone tell me how to understand a raman and FTIR spectra?

I mean, how and what should I do to understand using attained peaks and dips

08 September 2013 7,980 10 View

Is it possible to make MgZnO by oxidation of MgZnN?

I have heard that bonding is not easy in that case.

08 September 2013 1,376 1 View

Can someone recommend the latest research papers related to doping of ZnO thin film to make it p or n-type?

Seeking research papers

06 July 2013 3,810 11 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

How can I measure the thickness of thin film by Uv-Vis?

06 August 2024 7,810 3 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 View

Is there a good freeware software for photodocumentation of TLC?

I need something like Camag's VisionCat software for photodocumentation of TLCs. Could you recommend something?

31 July 2024 8,415 1 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

Does anybody know why my chitosan/pva/gelatin hydrogel dissolve in PBS?

My final research is about making chitosan/pva hydrogel for wound healing using gelatin as crosslinker. Last month, i made the thin film hydrogel and it turn well. It was okay. Last week, i make...

28 July 2024 2,794 6 View

Is it possible to manufacture polypropylene sheets using a biaxial process?

I know that films and other low-thickness laminated products are produced using biaxial orientation, but is there something similar for sheets with a thickness of around 6 mm? Or are they...

21 July 2024 1,559 1 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View

Any suggestions to enhance the wettability and adhesion of fluorosilanes?

I am facing a difficulty to prepare the thin film which contains fluorine contained silica monomer, as we know F is highly reactive with low surface energy and it could be the reason of low...

09 July 2024 6,017 3 View

Can some indicate a technique - or approach - to measure the thickness of a 20µm film and thickness with water uptake?

Hi, I need to measure the real-time (or temporal intervals) thickness variation of a transparent material from dry to wet/humid conditions, however, I cannot use the following techniques: -...

08 July 2024 4,799 4 View