Lateral Photoelectric Effect In Iron-Silicon Dioxide-Compensated Silicon Hybrid Structures

  • Eshkuvat U. Arzikulov Samarkand State University named after Sharof Rashidov, Samarkand, Republic of Uzbekistan
  • Alisher D. Nurimov Samarkand State University named after Sharof Rashidov, Samarkand, Republic of Uzbekistan
  • F.A. Salakhitdinov Samarkand State University named after Sharof Rashidov, Samarkand, Republic of Uzbekistan
  • U.A. Ashirov Samarkand State University named after Sharof Rashidov, Samarkand, Republic of Uzbekistan
  • T.S. Sharafova Samarkand State University named after Sharof Rashidov, Samarkand, Republic of Uzbekistan
  • A.Sh. Khujanov Samarkand State University of Veterinary Medicine, Livestock and Biotechnologies, Samarkand, Republic of Uzbekistan
  • R.M. Usanov Samarkand State University named after Sharof Rashidov, Samarkand, Uzbekistan
Keywords: Lateral photo effect, Hybrid structure, Compensated silicon, Photovoltage, Diffusion, Evaporation, Oxide, p-n junction


This article presents experimental results on the technology of obtaining and studying the lateral photoelectric effect (LPE) in hybrid structures (HS) of the Fe/SiO2/p-Si<B, Mn> and Fe/SiO2/n-Si<B, Mn> types. The technology for obtaining such HS consists of two parts: firstly, obtaining compensated (C), highly compensated (HC), and over-compensated (OC) samples of Si <B, Mn>. Secondly, obtaining HS Fe/SiO2/p-Si<B, Mn> and Fe/SiO2/n-Si<B, Mn>. Based on the results, it is shown that sufficiently good HS has been obtained. Experiments on the study of LPE have shown that in the studied HS there is a pronounced manifestation of the lateral photoelectric effect, the magnitude and nature of which strongly depend on the type of conductivity and resistivity of the compensated silicon. The observed features are explained by the fact that in С, HC, and OC silicon samples, impurities that create deep levels in the silicon band gap form various multi-charged complexes that modulate the energy band of silicon, which lead to significant changes in its physicochemical and generation-recombination properties, which underlies the observed effects. Based on the LPE studies, depending on the contact distance, it is possible to determine the numerical values of the diffusion lengths of the minor current carriers (Lp and Ln), their lifetimes (τp and τn), and diffusion coefficients (Dp and Dn) on the substrate material.


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How to Cite
Arzikulov, E. U., Nurimov, A. D., Salakhitdinov, F., Ashirov, U., Sharafova, T., Khujanov, A., & Usanov, R. (2023). Lateral Photoelectric Effect In Iron-Silicon Dioxide-Compensated Silicon Hybrid Structures . East European Journal of Physics, (4), 159-166.