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\bibitem{Xu_etal2014} {\textquotedblleft}\textit{Self-organized platinum nanoparticles on freestanding graphene}{\textquotedblright}.  Xu P, Dong L, Neek-Amal M, Ackerman ML, Yu J, Barber SD, Schoelz JK, Qi D, Xu F, Thibado PM, Peeters FM;, ACS nano \textbf{8}, 2697 (2014).   http://doi.org/10.1021/nn406394f

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