How do we calculate the band gap from UV spectrum of a colloidal nanaoparticles?

How do we calculate the band gap from UV spectrum of a colloidal nanaoparticles.

03 April 2016 7,580 1 View

How can one find the octahedral and tetrahedral sites of Fe3+ iron phosphate glass using Mossbauer spectroscopy?

03 April 2014 8,571 3 View

How is writing a thesis different from writing a paper?

How do we direct the chapters of the thesis?

07 August 2013 816 21 View

Why is the Mossbauer spectrum not able to distinguish Fe57 at tetrahedral and octahedral sites in superparamagnetic Fe3O4? Why do all the superparamagnetic iron oxide polymorphs give almost similar spectrums in spite of different structure and oxidation state?

...

04 May 2013 6,109 13 View

What are the possible factors that affect A23 ratio and the width of the Mossbauer spectrum?

Other than the crystal orientation with regard to gamma rays, which factors influence the intensity of the 2nd and 5th? How effectively does the sampling or the morphology of the sample affects...

01 February 2013 7,083 19 View

Is the strain in nano particle greater than thin films.

Which method is the best to calculate strain from XRD?

01 February 2013 8,598 4 View

Coprecipitation of Fe3O4

Why do FeOOH co-exist with Fe3O4 when the [Fe+2]/[Fe+3] doesn't maintain 1:2?

10 November 2012 6,864 3 View

How effective is "Fullprof" compared to other packages for analyzing XRD?

How effective is "Fullprof" compared to other packages for analyzing XRD? How to handle it as for a beginner?

10 November 2012 4,245 3 View

Alpha-FeOOH vs H-O-H

Will FTIR be able to differentiate FeOOH and the H2O adsorbed on the surface of iron oxide nanoparticle?

09 October 2012 7,689 4 View

DIffusion of Zn in ZnFe2O4.

Is it possible for Zn to get diffuse in Zn(1-d)Fe2O4? What may be the activation energy for diffusion? where d is Zn vacancy.

07 August 2012 6,966 1 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

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 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