Nickel

Condensed matter physics

Optoelectronics

Plasmon

Quantum tunnelling

Nanotechnology

Nanocomposite

Chemical physics

Dielectric

Nanoparticle

Metallurgy

Materials science

Physics

Permittivity

Journal of Materials Chemistry C

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.

Tunneling-induced negative permittivity in Ni/MnO nanocomposites by a bio-gel derived strategy