What does negative slope in Eg calculation graph means?

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

11 December 2015 9,356 9 View

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 9,308 5 View

Is scattering coefficient of any thin film wavelength dependant?

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

11 December 2015 5,181 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 5,968 3 View

How to analyze xrd data???

details n softwares names required

07 August 2015 1,030 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 949 7 View

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

Information needed: -Calcination temperature for Zinc powder -Time for calcination -Time and pressure required for making 2" diameter pellets -Annealing time and temperatures for the pellets...

04 May 2014 5,516 2 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 5,689 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 7,897 10 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 3,734 11 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 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 prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 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

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 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

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 View