Metallization of nanofilms in strong adiabatic electric fields

Maxim Durach, Anastasia Rusina, Matthias F. Kling, Mark I. Stockman

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

We introduce an effect of metallization of dielectric nanofilms by strong, adiabatically varying electric fields. The metallization causes optical properties of a dielectric film to become similar to those of a plasmonic metal (strong absorption and negative permittivity at low optical frequencies). This is a quantum effect, which is exponentially size-dependent, occurring at fields on the order of 0.1V/Å and pulse durations ranging from ∼1fs to ∼10ns for a film thickness of 3-10 nm.

Original languageEnglish
Article number086803
JournalPhysical Review Letters
Volume105
Issue number8
DOIs
StatePublished - Aug 18 2010

Scopus Subject Areas

  • General Physics and Astronomy

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