Investigations of the growth mechanism of stoichiometric LiNbO3 fibers grown by the laser-heated pedestal growth method

Chi Yung Chen, Jyh Chen Chen, Yen Jyh Lai

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

In this study, stoichiometric lithium niobate (LiNbO3) single-crystal fibers were grown by the laser-heated pedestal growth (LHPG) method using different compositions with [Li2CO3]/[Nb 2O5]=48.6:51.4, 50:50, 55:45 and 58:42 seeds. X-ray/CCD and ICP-AES were used to confirm the crystalline structure and the composition of the fibers, respectively. Electron spectroscopy for chemical analysis (ESCA) was used to analyze the [Li]/[Nb] ratio along the axis of the fibers. Based on these measurements, the growth mechanism that produces stoichiometric LiNbO 3 fibers from stoichiometric feeding rods was investigated. The results show that the growth of stoichiometric LiNbO3 fibers using the LHPG method followed the equilibrium phase diagram concept.

Original languageEnglish
Pages (from-to)e763-e768
JournalJournal of Crystal Growth
Volume275
Issue number1-2
DOIs
StatePublished - 15 Feb 2005

Keywords

  • A1. Crystal morphology
  • A2. Growth from melt
  • A2. Laser-heated pedestal growth
  • B1. Lithium compounds
  • B1. Oxides

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