Graphene micro-substrate induced high electron-phonon coupling in MgB<inf>2</inf>

Publication Type:
Journal Article
Citation:
IEEE Transactions on Applied Superconductivity, 2013, 23 (3)
Issue Date:
2013-01-21
Full metadata record
Files in This Item:
Filename Description Size
06365240.pdfPublished Version754.21 kB
Adobe PDF
Electron-phonon coupling strength was studied in graphene-MgB 2 composites to explore the possibilities for a higher superconducting transition temperature (T c ). For the first time in the experimental work on MgB 2 , the Raman active E 2g mode was split into two parts: a softened mode corresponding to tensile strain and a hardened mode attributed to the carbon substitution effect. The tensile strain effect is suggested to improve T c of graphene-MgB 2 composites because it increases the electron-phonon coupling strength of MgB 2 . © 2002-2011 IEEE.
Please use this identifier to cite or link to this item: