Study of OH absorption mode due to domain inversion in lithium niobate crystals

P. C. Tsai*, C. T. Chia, H. F. Lu, S. H. Lin

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recently, the significant change of OH spectra of highly Mg-doped LiNbO3 during polarization reversal process have been found experimentally. However, there is no proper theory and model to explain the unusual phenomena. Based on the Nb-vacancy model, the OH absorption band for highly Zn and Mg doped LiNbO3 single crystals under coercive field were calculated. Theoretical investigation of OH absorption band under the forward and back coercive field are also investigated. Our result shows the Zn2+ and Mg2+ ions sit at Li lattice sites for highly doped LiNbO3 single crystals. The theoretical prediction of the disappearing and the reappearing of the OH absorption band after polarization reversal agrees well with the experimental result, and this indicates that Zn2+ and Mg2+ ions do not substitute the Nb-lattice sites.

Original languageEnglish
Title of host publication2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF
Pages324-325
Number of pages2
DOIs
Publication statusPublished - 2007
Event2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF - Nara-city, Japan
Duration: 2007 May 272007 May 31

Publication series

NameIEEE International Symposium on Applications of Ferroelectrics

Other

Other2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF
Country/TerritoryJapan
CityNara-city
Period2007/05/272007/05/31

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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