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Gate-tuning of graphene plasmons revealed by infrared nano-imaging
Gate-tuning graphene plasmons revealed infrared nano-imaging
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2012/2/24
Surface plasmons are collective oscillations of electrons in metals or semiconductors enabling confinement and control of electromagnetic energy at subwavelength scales. Rapid progress in plasmonics h...
Band gap control via tuning of inversion degree in CdIn$_2$S$_4$ spinel
Band gap control tuning inversion degree CdIn$_2$S$_4$ spinel
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2012/2/24
Based on theoretical arguments we propose a possible route for controlling the band-gap in the promising photovoltaic material CdIn$_2$S$_4$. Our \textit{ab initio} calculations show that the experime...