How to confirm cation and anion in crystal structure using the data of CIF file?

I would like to learn the technique to index cations and anions of inorganic compounds from the CIF file obtained from single XRD characterization. Kindly suggest the method for this. Thank you...

09 October 2018 5,176 1 View

YBaCuO superconductor sample requirement in INDIA?

Kindly provide the contact who is synthesizing YBaCuO superconductor in bulk form....

02 March 2018 9,368 2 View

Band gap tuning?

11 December 2016 3,272 0 View

How to doped Chromium in ZnSe? If we want to grow Cr:ZnSe bulk crystal by vapor transport method then should we use Chromium powder or CrSe powder?

Its not clear about this question that how we can doped Cr in ZnSe by means of Chromium powder or CrSe powder. I want to grow Cr:ZnSe with various proportion of Cr in ZnSe to study the effect of...

03 April 2016 3,759 1 View

How to write proposal for post doc study?

I need the basic information to prepare proposal of post doc or research assistant...Which point should be incorporate in the proposal. Motivation letter are always the basic need of any position...

07 August 2015 7,257 1 View

Which journal is best for research pertaining to a new semiconducting materials in the form of single crystalline form?

.Nobody has reported this material yet. Kindly suggest options.

31 December 2013 7,934 4 View

What is difference among direct allowed, direct forbidden, indirect allowed and indirect forbidden gap in semiconductors?

Are there any figures which can explain this difference?

11 December 2013 6,860 2 View

How do I confirm cation and anion in the structure of crystals?

I want to know how to confirm the cation and anion of any crystalline material from CIF file? What is the key idea behind this analysis.

11 December 2013 1,440 5 View

Anisotropic behavior?

Generally it is said that crystalline materials are anisotropic but in crystalline materials, atomic arrangements are periodic in all three directions. So how can it behave anisotropic? If...

03 April 2013 5,437 6 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View