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Proceedings Paper

Investigation of absorption and reflection spectra of aqueous suspensions of nanoparticles in the X band of microwave bandwidth
Author(s): S. A. Sergeev; S. A. Portnov; D. A. Gorin; A. I. Mikhailov; S. S. Rumyantseva; I. V. Taranov; V. V. Kislov; G. B. Sukhorukov
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Paper Abstract

Aqueous suspension of iron oxide nanoparticles stabilized by citric acid has been synthesized. Nanoparticles were characterized by transmission electron microscopy. Nanoparticles size distribution was estimated by dynamic laser light scattering method. Absorption spectra of nanoparticles suspensions at different concentrations were recorded in visible part of optical band. Zeta-potential of nanoparticles was measured. Absorption and reflection spectra of aqueous suspension of nanoparticles in 7.8 - 11.2 GHz frequency range have been obtained. A frequency ranges with maximal sensitivity of microwave spectra parameters to nanoparticles concentration were found.

Paper Details

Date Published: 20 June 2007
PDF: 8 pages
Proc. SPIE 6536, Saratov Fall Meeting 2006: Coherent Optics of Ordered and Random Media VII, 653606 (20 June 2007); doi: 10.1117/12.753431
Show Author Affiliations
S. A. Sergeev, Saratov State Univ. (Russia)
S. A. Portnov, Saratov State Univ. (Russia)
D. A. Gorin, Saratov State Univ. (Russia)
A. I. Mikhailov, Saratov State Univ. (Russia)
S. S. Rumyantseva, Saratov State Univ. (Russia)
I. V. Taranov, Institute of Radio Engineering and Electronics (Russia)
V. V. Kislov, Institute of Radio Engineering and Electronics (Russia)
G. B. Sukhorukov, Max-Planck Institute of Colloids and Interfaces (Germany)
Queen Mary Univ. of London (United Kingdom)


Published in SPIE Proceedings Vol. 6536:
Saratov Fall Meeting 2006: Coherent Optics of Ordered and Random Media VII

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