[en] Following the impact of a single femtosecond light pulse on nickel nanostripes, material deformations—or “nanobumps”—are created. We have studied the dependence of these nanobumps on the length of nanostripes and verified the link with plasmons. More specifically, local electric currents can melt the nanostructures in the hotspots, where hydrodynamic processes give rise to nanobumps. This process is further confirmed by independently
simulating local magnetic fields, since these are produced by the same local electric currents.
Disciplines :
Physics
Author, co-author :
Valev, V.K.; University of Cambridge
Libaers, W.; Katholieke Universiteit Leuven - KUL
Zywietz, U.; Laser Zentrum Hannover
Zheng, X.; Katholieke Universiteit Leuven - KUL
Centini, M.; SAPIENZA Università di Roma
Pfullmann, N.; Leibniz Universität Hannover
Herrmann, L.O.; University of Cambridge
Reinhardt, C.; Laser Zentrum Hannover
Volskiy, V.; Katholieke Universiteit Leuven - KUL
Silhanek, Alejandro ; Université de Liège - ULiège > Département de physique > Physique de la matière condensée
Chichkov, B.N.; Laser Zentrum Hannover
Sibilia, C.; SAPIENZA Università di Roma
Vandenbosch, G A E
Moshchalkov, V.V.; Katholieke Universiteit Leuven - KUL
Baumberg, J.J.; University of Cambridge
Verbiest, Th.; Katholieke Universiteit Leuven - KUL
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