Activation energy of proton migration in Mn- and Fe-doped lithium niobate obtained by holographic methods

G. Mandula, M. A. Ellabban, R. A. Rupp, M. Fally, E. Hartmann, L. Kovács, K. Polgár

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The activation energy of thermal fixing of photorefractive gratings is determined in congruent and nearly stoichiometric lithium niobate crystals, both doped with iron or manganese. The novel technique called holographic scattering method is compared with the standard two-wave mixing method. A measurement of the angular distribution of the self scattered intensity and its possible analytical function is presented. The mathematical problems of the holographic scattering method are discussed applying the angular distribution functions.

Original languageEnglish
Pages (from-to)173-179
Number of pages7
JournalRadiation Effects and Defects in Solids
Volume158
Issue number1-6
DOIs
Publication statusPublished - Dec 1 2003

Keywords

  • Activation energy
  • Holographic scattering
  • Lithium niobate
  • Photorefractive effect
  • Thermal fixing

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Condensed Matter Physics

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