Ganesan Karuppiah

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Questions related from Ganesan Karuppiah

How does D' band evolve in disordered graphene?

The D and D' bands arise from defects in disordered graphitic systems. But how are these two bands differ from each other? What types of defects induce D' band? Is there any selection rule for D'...

04 April 2015 741 4 View

How do different parameters influence the Raman spectrum of defect assisted bands in terms of - position, FWHM and intensity of disordered graphene?

We know that, when lattice periodicity is broken by a defect, the defect bands evolve. Also we know that the parameters such as point defects (vacancies, interstitial), sp3 related point defects...

12 December 2013 8,912 2 View

Does passivation of grain boundaries in polycrystalline diamond films helpful to improve electronic properties?

The polycrystalline CIGS or CdTe based solar cells outperform their counter part single crystal devices since the beneficial grain boundaries (GBs) helps to avoid recombination of electrons and...

01 January 1970 8,350 0 View