Vaisakhan Thampi

4 Questions 4 Answers 0 Followers

Questions related from Vaisakhan Thampi

How can we quantify the amount of anion vacancies in a polycrystalline material?

Substitution of cations in crystals can lead to a corresponding change in anion concentration in a crystal. For example, if a cation is substituted by lower valent cation in an oxide material,...

09 September 2016 3,877 3 View

How does the magnetic property of a salt change with hydration?

I want to know how the paramagnetic property of ferrous sulphate change with hydration. Is there any general trend for this change that can be predictive for other salts?

11 November 2015 5,851 2 View

Can Williamson-Hall analysis be applied to materials in micrometer range?

I have seen some people using W-H plots in non-nano materials. My understanding is that W-H analysis and Scherrer equation are applicable to nano particles only. If we apply it to micro samples,...

10 October 2014 3,002 3 View

Why would substitution of smaller cations by larger cations decrease the lattice parameter?

In a particular cubic fluorite type lattice, substitution of a smaller cation by larger cation progressively decreases the lattice parameter. Normally according to Vegard's law, this should be the...

03 March 2014 4,742 21 View