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\bibitem{Schnepf_etal2017} {\textquotedblleft}\textit{Nanorattles with tailored electric field enhancement}{\textquotedblright}. Schnepf MJ, Mayer M, Kuttner C, Tebbe M, Wolf D, Dulle M, Altantzis T, Formanek P, F{\"o}rster S, Bals S, K{\"o}nig TAF, Fery A, Nanoscale \textbf{9}, 9376 (2017).   http://doi.org/10.1039/C7NR02952G

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