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Formation and transformation of II-VI semiconductor nanoparticles by laser radiation

A. I. SAVCHUK1,* , V. I. FEDIV1, S. A. IVANCHAK1, V. V. MAKOVIY1, M. M. SMOLINSKY1, O. A. SAVCHUK1, A. PERRONE2, L. CULTRERA3

Affiliation

  1. Department of Physics of Semiconductors and Nanostructures, Chernivtsi National University, 58012 Chernivtsi, Ukraine
  2. University of Salento, Physics Department and National Institute of Nuclear Physics, 73100 Lecce, Italy
  3. National Institute of Nuclear Physics, National Laboratory of Frascati, Frascati, Italy

Abstract

Pulsed laser deposition has been applied for fabrication of Cd1-xMnxTe nanocrystals embedded in SiO2 matrix. By further thermal annealing an increase of average size of nanoparticles and narrowing of their size distribution was reached. Colloidal chemistry methods were used for preparing of Cd1-xMnxS nanoparticles. After UV irradiation of the colloidal solution with Cd1-xMnxS nanoparticles the average size and size distribution was changed owing size-selective photoetching mechanism. Results of optical and magneto-optical characterizations of the as-grown and the treated nanoparticle samples are described..

Keywords

Laser radiation, II-VI semiconductor, CdMnTe, CdMnS, Nanocrystals, Nanoparticles, Optical density, Faraday rotation.

Submitted at: June 30, 2009
Accepted at: Feb. 27, 2010

Citation

A. I. SAVCHUK, V. I. FEDIV, S. A. IVANCHAK, V. V. MAKOVIY, M. M. SMOLINSKY, O. A. SAVCHUK, A. PERRONE, L. CULTRERA, Formation and transformation of II-VI semiconductor nanoparticles by laser radiation, Journal of Optoelectronics and Advanced Materials Vol. 12, Iss. 3, pp. 561-564 (2010)