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Metallization of Nanofilms in Strong Adiabatic Electric Fields

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 نشر من قبل Maxim Durach
 تاريخ النشر 2010
  مجال البحث فيزياء
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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). The is a quantum effect, which is exponentially size-dependent, occurring at fields on the order of 0.1 V/A and pulse durations ranging from ~ 1 fs to ~ 10 ns for film thickness 3 to 10 nm.



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