Acoustical circularly polarized gyration in the Au nanoparticles on the ITO

I. V. Kityk, Ali Umar Akrajas, M. Oyama

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We have found that the gold nanoparticles deposited on the ITO substrates show substantial acoustically induced circularly polarized light gyration (AILG). The effect exists only during simultaneous treatment by two coherent acoustical waves with frequencies 1 and 2 MHz. The maximally achieved value of the AILG susceptibility described by fourth-order axial tensor caused by probe circularly polarized acoustical field at power density about 3 W/cm2 was equal to about 7.8°/mm for circular acoustical wave polarization and was achieved at T=4.2K for samples possessing lower resistivity. We have discovered that maximal AILG coefficient is achieved for the samples possessing minimal resistivity. The investigated composites possess acoustically induced helicoidal grating which disappeared after 20 s after switching off the acoustical fields.

Original languageEnglish
Pages (from-to)178-184
Number of pages7
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume28
Issue number2
DOIs
Publication statusPublished - Jul 2005
Externally publishedYes

Fingerprint

gyration
ITO (semiconductors)
Nanoparticles
polarization (waves)
nanoparticles
electrical resistivity
Light polarization
Gold
polarized light
Tensors
radiant flux density
gratings
tensors
Polarization
gold
magnetic permeability
composite materials
probes
Composite materials
Substrates

Keywords

  • Gold nanoparticles
  • Piezogyration

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Acoustical circularly polarized gyration in the Au nanoparticles on the ITO. / Kityk, I. V.; Akrajas, Ali Umar; Oyama, M.

In: Physica E: Low-Dimensional Systems and Nanostructures, Vol. 28, No. 2, 07.2005, p. 178-184.

Research output: Contribution to journalArticle

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