This paper presents the design and fabrication of 3-dimensional hollow metallic nanolattices using 2-photon lithography, shown in the figure. The ability to fabricate structures of any geometry, with resolution down to 150 nm, provides opportunities to engineer structures spanning multiple length scales with potential to capitalize on combined structural and material size effects for use in many technological applications.
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Montemayor et al. (2013) studied this question.
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