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We will discuss the use of dense periodic nanogap arrays for plasmonic sensing applications. A high-throughput fabrication process will be presented, that yields nanogap arrays with periodicities above 150 nm, and with accurately controlled gap widths of ±1.5 nm over mm2 large areas.
Adhesion layers necessary for the robustness of plasmonic sensors are commonly used at dimensions where the electric near-field intensity can be strongly quenched. We have found that by minimizing the layer thickness to roughly 0.5 nm and by additionally controlling the geometric design of the layer, quenching can by reduced by a factor of up to 7.
Sustainable management of groundwater resources is of crucial importance for regions where freshwater supply is naturally limited. Long-term planning of groundwater usage requires computer-based decision support tools: on the one hand, they must be able to predict the complex system dynamics with sufficient accuracy, on the other, they must allow exploring management scenarios with respect to different...
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