What are the parameters for coating SiO2 thin film using a Thermal Evaporator?

I have seen many works reporting the use of thermal evaporation technique but they seldom give details about the source, boat and other detailed parameters. Can anyone guide me with these details?

04 May 2017 8,294 4 View

How do you calculate the electron density of a nanomaterial?

08 September 2014 691 7 View

How to determine fluorescent decay rates (radiative and non-radiative) of a dye?

I have a nanosecond pulsed laser. How can I find out radiative and non-radiative decay rates of a dye molecule using this nanosecond pulsed laser? Can you suggest some simple experimental methods...

07 August 2014 3,165 14 View

How can I prepare carbon dots with absorption maxima around 405nm?

I have read about synthesis of carbon dots by various means like thermal and microwave mediated. Does anyone know a reliable method to synthesize carbon dots which have absorption maxima around or...

02 March 2014 5,381 1 View

Which tape should I use to create a well on a glass slide for doing Sandwich assay?

I want to do Sandwich assay on a glass slide. I have read in some papers that they use a "tape" with rectangular hole to cover the slide. This rectangular hole is used as well for carrying out the...

01 February 2014 5,676 2 View

Which polymer is both permeable to lower alcohols and is also insoluble in them?

I'm finding it difficult to find a polymer that is permeable and insoluble in lower alcohols like methanol, ethanol and isopropanol.

08 September 2013 9,801 4 View

Can anyone suggest a good CVD or PVD equipment?

The applications may include metal thin film deposition, semicondicting layer deposition and carbonaceous thin film deposition. Which one is preferable with respect to cost, ease of working etc?...

08 September 2013 464 8 View

Is there any software to convert an image into a spectrum or to get XYZ or LAB values of the image?

When we use picasa we can notice a spectrum of the image that is displayed in the window and it shows various details about the image.. Also if the image is a single color image it can be...

07 August 2013 9,097 11 View

What is optical band gap and electrical band gap?

Is there any way to find out optical band gap and electrical band gap using simple instruments like UV-Vis spectrophotometer? What are the parameters that influence the band gap in a metal thin...

06 July 2013 2,742 3 View

How to setup a film thickness measurement instrument based on Tolansky method?

Please share your experin=ence and knowledge in setting up an Interferometric thin film thickness measuring instrument. I want a detailed step by step protocol to follow. I googled for it but in...

06 July 2013 9,169 11 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

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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View