How to make sure that the discoloration of dye in the presence of nanomaterials is due to adsorption or catalytic degradation ?

10 November 2015 9,374 3 View

Can any one suggest me rietveld refinement workshop which will be held in India?

I want to learn rietveld refinement . Even though i tried online tools its quite difficult for me. So, please some one suggest me rietveld refinement workshop which will be held in India.

10 November 2014 4,217 0 View

What can be the reason for a Zn to O atomic ratio of 1:2 in EDX which was synthesized by solution combustion?

I have synthesized ZnO through the solution combustion method and the EDX showed a Zn atomic % as 33.37 and O as 66.63 but the XRD showed only ZnO only. How can the presence of Zn to O ratio of...

02 March 2014 3,803 21 View

Does anyone know of a technique to determine the position of dopant in metal oxide?

I synthesized Nitrogen doped ZnO . Edax showed the atomic % of N. but how to make sure that dopant in the lattice not on the surface of metal oxide .

02 March 2014 8,214 11 View

What are the reasons for lower intensity in room temperature PL compared to the low temperature PL?

The PL intensity of ZnO decreased in case of room temperature PLcompared to low temperature (6K). What are the reasons for it and what role does temperature play in characterization and which...

03 April 2013 8,902 19 View

Is there any model to determine the concentration of defects and vacancies in semiconductors?

I am working on modifying the defects and vacancies by doping. I am studing through PL the vacancies and defects but there are controversies in the contribution of emission by vacancies and...

02 March 2013 1,353 14 View

What are the reasons for peak broadening in the case of nanoparticles compared to the bulk?

It is well known fact that peak broadening occurs when the particle size falls in nano range.

02 March 2013 674 19 View

How to interpretate SAED pattern for lattice spacing and lattice fringes?

From HRTEM image

11 December 2012 1,480 4 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View