Assembling matter atom-by-atom is the ultimate goal of nanotechnology, as set forth in Feynman’s visionary speech in 1959 (ref. 1). The first experimental demonstration of atom-by-atom assembly using ...
Metasurfaces, with a thin layer of subwavelength structures, have the distinct capability to control wavefront in high resolutions, thus enabling various applications such as anomalous beam steering, ...
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