Royal Society of Chemistry, Journal of Materials Chemistry C Materials for optical and electronic devices, 9(8), p. 3029-3039, 2020
DOI: 10.1039/c9tc06378a
Full text: Unavailable
Tunneling-induced negative permittivity is attributed to the low frequency plasmonic state in tunneling networks, where nickel nanoparticles are still isolated geometrically but connected electrically.