Investigations of ferroelectric domain structures in the MgO: LiNbO3 fibers by LHPG

Y. J. Lai, J. C. Chen, K. C. Liao

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10 Scopus citations

Abstract

This paper investigates ferroelectric domain structures in MgO : LiNbO3 single-crystal fibers grown by LHPG. The origins of the striation domain structures (SDS) are attributed to thermocapillary instability due to MgO doping. It is more difficult to form SDS in the core regions of the fibers because of the poor impurity content. The SDS on the (01.0) face, along the [21̄.0] direction, are mixed with the bi-domain and are weaker compared with those observed along the [00.1] direction. MgO dopants, pulling rates and fiber diameters are all regarded as important factors towards the configuration of the SDS.

Original languageEnglish
Pages (from-to)531-535
Number of pages5
JournalJournal of Crystal Growth
Volume198-199
Issue numberPART I
DOIs
StatePublished - 1999

Keywords

  • Ferroelectric domain
  • LHPG and single-crystal fibers
  • LiNbO
  • MgO
  • Striation
  • Thermocapillary

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