Can I refer COD (Crystallography Open Database) ID instead of ICDD PDF no. for XRD analysis?

Instead of ICDD PDF number, COD ID can be referred or not?

04 May 2019 9,222 8 View

How to decide the laser wavelength for Raman spectroscopy?

To perform Raman spectroscopy of CH3NH3PbCl3 perovskite thin film, what should be the laser wavelength?

03 April 2019 8,700 9 View

What is the significance of triangular nano structured topographic image of the thin film?

I am attaching the AFM image of the thin film, triangular shapes can be noticed. What is significance of triangles?

02 March 2019 1,785 4 View

Is shifting of xrd peaks obvious during the doping? What extent of XRD peak shifting(e.g. <1 degree) is acceptable?

I have doped Sn in CH3NH3PbI3. There is shifting of peakes towards the lower value of 2Theta degree.

02 March 2019 5,731 10 View

How glass substrate can play any role in bandgap widening of CH3NH3PbCl3 films?

I have synthesized the films of CH3NH3PbCl3 onto glass substrates via one step spin coating and have obtained 3.8 eV. The achieved bandgap is 0.7 eV higher than the reported values. What might be...

06 July 2018 9,102 2 View

Is there any chemical procedure to get InI2 or GaI2? And the names of solvents in which they are soluble?

03 April 2017 9,304 4 View

Is Indium dichloride (InCl2) soluble in HCl or HI?

03 April 2017 4,524 2 View

Is it okay to dry a precipitate at certain temperature for certain time which was used for its thin film counter part of the same material?

03 April 2017 8,877 4 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

Is it possible to have two luminescence bands of the same peak position but with different intensities in single spectrum??

Hi! If it is possible to have two luminescence bands of the same peak position in a spectrum, what is the reason behind formation of two separate bands instead of one? This phenomenon is related...

26 February 2021 4,963 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View

How to generate AA6061 alloy or any aluminium alloy crystal in material studio?

I need to carry out molecular dynamics simulation on Aluminium alloy. For this i need the crystal structure that which could be further replicated to form a structure.

22 February 2021 1,410 1 View

Build an orthogonal box in ASE?

Hello, I was wondering the best way to build an orthogonal box filled with a defined crystal structure in ASE. I know it could be easily done in LAMMPS, but I guess it is also doable in ASE. The...

21 February 2021 5,899 4 View

How can I make sure that BCTC doesn't fall out of solution/form DMSO crystals when treating cells?

I resuspended my BCTC as described on the bottle at 10mg/mL in DMSO. However, I can see the formation of crystals which I can only assume are DMSO and that the drug is precipitating out of...

14 February 2021 5,633 1 View

Is there a way to tell based on appearance which protein crystal should diffract the best?

I have had unheard of success with protein crystallography lately from a super successful protein expression and purification batch. I have attained a lately reproducible vast amount of crystals...

09 February 2021 5,155 5 View