Sridharan Ravi

3 Questions 63 Answers 0 Followers

Questions related from Sridharan Ravi

How to remove the NH2 and COO- groups in the capped nanoparticle?

We have synthesized a rare earth oxide nanoparticle using an organic molecule( 6-aminohexanoic acid), which consist of an amide and COOH groups, as functional molecule in the growth process (as...

02 February 2017 2,386 1 View

How to understand the nature/origin of ferromagnetism in alpha TeO2 nanostructure?

Recently we prepared TeO2 nanostructure. XRD confirms the formation of alpha TeO2. It shows ferromagnetism at RT. My question is how to understand the origin of FM in this material?. There are no...

12 December 2016 4,073 8 View

Is always optical bandgap increases on size reduction? Any possibility of red shift. Why?

We all know due to quantum confinement bandgap increases on nanoparticles (and is size dependent). However, recently we grow a oxide based nanoparticles, capped with a bio-molucule. Optical...

11 November 2015 4,735 4 View