Charge and electron transport in oxide with silicon nanocrystals in comparison with photoluminescence

Irina V. Antonova, Mitrofan B. Gulyaev, Zoya S. Yanovitskaya, Yehuda Goldstein, Jedzzey Jedrzejewski

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The system of silicon nanocrystals embedded in SiO2 was characterized by electrical measurements depending on the excess Si content in oxide ranged from 6 to 74%. It was found that the charge trapped on nanocrystals in oxide has the maximal value at the same excess Si content as maximal photoluminescence. Electron transport through the oxide after percolation transient demonstrates the activation character of current at T > 230 K.. Variable range hopping conductivity strongly depended on the excess Si content was observed at lower temperatures.

Original languageEnglish
Title of host publicationMulticonference on Electronics and Photonics, MEP 2006 - Embodied Meetings
Subtitle of host publicationCAOL 2006; POEO 2006; ISP 2006
Pages57-60
Number of pages4
DOIs
StatePublished - 2006
EventMEP 2006: 3rd Int. Conf. on Adv. Optoelectron. and Lasers, CAOL 2006; 3rd Int. Conf. on Precision Oscillations in Electron. and Optics: Theory and Appl., POEO 2006; 1st Int. Workshop on Image and Signal Proces., ISP 2006 - Guanajuato, Mexico
Duration: 7 Nov 200610 Nov 2006

Publication series

NameMulticonference on Electronics and Photonics, MEP 2006

Conference

ConferenceMEP 2006: 3rd Int. Conf. on Adv. Optoelectron. and Lasers, CAOL 2006; 3rd Int. Conf. on Precision Oscillations in Electron. and Optics: Theory and Appl., POEO 2006; 1st Int. Workshop on Image and Signal Proces., ISP 2006
Country/TerritoryMexico
CityGuanajuato
Period7/11/0610/11/06

Keywords

  • Conductivity
  • Excess Si content
  • Oxide matrix
  • Silicon nanocrystals

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