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, Volume 11, Issue 4, pp 1801–1807 | Cite as

EPR Spectroscopic Studies of Neutron-Irradiated Nanocrystalline Silicon Carbide (3C-SiC)

  • Elchin HuseynovEmail author
  • Anze Jazbec
Original Paper
  • 31 Downloads

Abstract

Nanocrystalline silicon carbide (3C-SiC) has been irradiated by neutrons (2× 1013n ⋅ cm−2s−1) up to 20 hours. Paramagnetic centers and their nature have been investigated comparatively before and after neutron irradiation. The Electron Paramagnetic Resonance (EPR) measurements were performed over the broad range of magnetic field from 0.05 to 0.55 T (500 to 5500 Gauss) in order to detect different paramagnetic centers. Simultaneously, EPR spectroscopy performed over the range from 0.3270T to 0.3370T which is most paramagnetic centers appears including free radicals. Neutron irradiation effects on the concentration of \(V_{Si}^{-}\) and \(V_{C}^{+}\) vacancies has been investigated. The number of paramagnetic centers for different values of g-factor has been calculated appropriate to local cases existed around 3300G. After neutron irradiation creation mechanism of paramagnetic centers in the nanocrystalline silicon carbide has investigated.

Keywords

Nanocrystalline 3C-SiC Neutron irradiation EPR studies 

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Notes

Acknowledgments

This work was supported by the Science Development Foundation under the President of the Republic of Azerbaijan – Grant EİF/GAM-4-BGM-GİN-2017-3(29)-19/01/1. I gratefully acknowledge the assistance of my colleagues from Institute of Radiation Problems of Azerbaijan National Academy of Sciences, National Nuclear Research Center and “Reactor Infrastructure Centre (RIC)” and “Condensed Matter Department” at Institute Jožef Stefan (IJS), Slovenia. I would like to thank Prof. Dr. Borut Smodiš and Dr. Luka Snoj for providing irradiated samples in TRIGA Mark II type research reactor and Prof. Dr. Janez Štrancar for encouraging discussions.

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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Institute of Radiation Problems of Azerbaijan National Academy of SciencesBakuAzerbaijan
  2. 2.Reactor Infrastructure CentreJozef Stefan InstituteLjubljanaSlovenia
  3. 3.Department of Nanotechnology and Radiation Material ScienceNational Nuclear Research CenterBakuAzerbaijan

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