Study of congruent-melting composition of langasite and its effects on crystal quality

Shou Qi Wang, Jiro Harada, Satoshi Uda

研究成果: Article査読

29 被引用数 (Scopus)

抄録

Congruent-melting composition of langasite (La3Ga5SiO14) was studied by a combination of melting-point measurement, crystal growth and compositional characterizations. The melting points of sintered samples with various compositions within the solid solution range determined by X-ray diffraction (XRD) around the stoichiometric composition were measured by differential thermal analysis (DTA). Upon the growth of single crystals from the compositions with the highest melting point, the compositions of various parts of the crystals and residual melts were investigated by X-ray fluorescence spectrum (XFS). The congruent-melting composition was determined to be the composition from which a minimum deviation of composition of both the crystal and the residual melt was obtained.

本文言語English
ページ(範囲)263-268
ページ数6
ジャーナルJournal of Crystal Growth
219
3
DOI
出版ステータスPublished - 2000 10 15
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 無機化学
  • 材料化学

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