Ellipsometry - Does anyone have the n&k files of polypropylene? Or a dispersion law I could use to get the thickness of a thin-film?

I am trying to measure the thickness of a polypropylene thin-film by ellipsometry but I can not find the n&k file to adjust the measurement. I can not find either the parameters of the...

11 December 2017 6,288 4 View

Are you an expert on functional coatings?

Last chance to submit proposals!! We are going to definitely close the call for chapters in 10 days!!!! Don't miss the opportunity to send your abstract!!

31 December 2014 9,314 1 View

Deadline Extension - Call for book Chapters - Functional Coatings. Do you want to contribute?

10 November 2014 1,063 5 View

Can you help with our problems with quantification of Amorphous phase of Kevlar by XRD?

06 July 2014 9,232 4 View

Which is the optimun method for gold and platinum nanoparticles digestion for ICP-MS?

When digesting metal nanoparticles synthesized from apoferritin we obtain very different results in ICP-MS measurements. The digestion is made with aqua regia (HNO3:HCl 3:1) and H2O2 (2:3,) for...

02 March 2014 4,774 4 View

Is there a fixed relation between the melting point and the vacuum pressure?

When processing polymer samples in sputtering or ALD processes, they melt or degrade at a much lower temperature than their melting point. Does it depend also on the composition of the material?...

31 December 2013 8,074 4 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View