S. Winnerl, M. Orlita, P. Płochocka, P. Kossacki, M. Potemski, T. Winzer, E. Malic, A. Knorr, M. Sprinkle, C. Berger, W. D. de Heer, H. Schneider, M. Helm
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引用次数: 0
Abstract
We report on carrier relaxation dynamics close to the Dirac point in epitaxially grown graphene under pulsed excitation with 10–250 meV photons. With decreasing photon energy, we identify different regimes — induced transmission with bi- and single-exponential decay as well as induced absorption — and discuss their physical origin.
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