Determination of the Li/Nb ratio in LiNbO3 crystals grown by Czochralski method with K2O added to the melt

  • M. D. Serrano*
  • , V. Bermúdez
  • , L. Arizmendi
  • , E. Diéguez
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

Off-congruent lithium niobate single crystals were grown by the Czochralski method with K2O added to the congruent melts in a concentration varying between 2 and 10.5 wt%. The Li/Nb ratio was determined by means of indirect methods such as the fundamental absorption edge position, the IR vibrational spectrum, lattice parameters and the variation of the refractive indices. The data presented in this work show that the Li/Nb ratio can be controlled by the amount of K2O added to the congruent melt. Moreover, the techniques employed for characterization are good tools for the determination of the Li/Nb ratio.

Original languageEnglish
Pages (from-to)670-676
Number of pages7
JournalJournal of Crystal Growth
Volume210
Issue number4
DOIs
Publication statusPublished - Mar 2000
Externally publishedYes

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