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Monday, 15 October 2012

Publication co-authored by ICN researcher in special issue of APL

Applied Physics Letters has included an article co-authored by ICREA Research Professor Stephan Roche in its 50th Anniversary Editor’s Picks issue

An article by ICN Group Leader Professor Stephan Roche and colleagues from Universidad Nacional de Córdoba, in Argentina, and Institut für Theorie der Statistischen Physik at RWTH Aachen University, in Germany, has been republished in a special issue of Applied Physics Letters. The journal has just published a special 50th Anniversary issue featuring the 50 most-cited papers in its 50-year history, as well as an Editor’s Picks issue featuring 50 seminal articles on innovative research published between 2009 and 2012, including the article by Roche and co-authors, first published in 2011, which was among the most downloaded articles that year.The article, entitled, “Tuning laser-induced band gaps in graphene”, addresses the possibility of using lasers to control the electronic behaviour of graphene—namely, to confer it with semiconducting behaviour. Graphene, often celebrated as a wonder material for its myriad interesting properties, is an excellent conductor of electricity; however, its inherent lack of bandgaps prevents it from behaving as a semiconductor and therefore, precludes its use in logic devices. In their paper, Roche and colleagues theoretically explored the interactions between graphene electrons and an externally applied laser. They concluded that a laser in the mid-infrared range, optimised for the parameters of power, frequency and polarisation, should enable control of the electronic behaviour of graphene, thereby paving the way to graphene-based optoelectronic devices.The article, “Tuning laser-induced band gaps in graphene”, can be accessed here free of charge until September 2013.