Abstract

Gold-embedded zinc oxide structures are obtained in which the conduction mechanism changes from conduction through the oxide and activated tunneling between discontinuous metal islands to metallic conduction through a near-continuous layer, with increase in gold thickness. These structures can show resistivity as low as 5.2× 10-5 ω cm. Optical transmission is elucidated in terms of gold's absorption due to interband electronic transitions, and free carrier absorption losses combined with limitation of the mean free path in discontinuous nanoparticles. The structures show transmittance, photopic averaged transmittance, and Haacke figure of merit values of 93%, 84%, and 15.1× 10-3ω-1, respectively.

Original languageEnglish (US)
Article number201109
JournalApplied Physics Letters
Volume96
Issue number20
DOIs
StatePublished - May 17 2010

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zinc oxides
gold
conduction
transmittance
electronics
figure of merit
mean free path
nanoparticles
electrical resistivity
oxides
metals

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Conduction and transmission analysis in gold nanolayers embedded in zinc oxide for flexible electronics. / Sivaramakrishnan, K.; Alford, Terry.

In: Applied Physics Letters, Vol. 96, No. 20, 201109, 17.05.2010.

Research output: Contribution to journalArticle

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AB - Gold-embedded zinc oxide structures are obtained in which the conduction mechanism changes from conduction through the oxide and activated tunneling between discontinuous metal islands to metallic conduction through a near-continuous layer, with increase in gold thickness. These structures can show resistivity as low as 5.2× 10-5 ω cm. Optical transmission is elucidated in terms of gold's absorption due to interband electronic transitions, and free carrier absorption losses combined with limitation of the mean free path in discontinuous nanoparticles. The structures show transmittance, photopic averaged transmittance, and Haacke figure of merit values of 93%, 84%, and 15.1× 10-3ω-1, respectively.

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