Growth of well-developed Li4Ti5O12 crystals by the cooling of a sodium chloride flux

Katsuya Teshima, Hikaru Inagaki, Syohei Tanaka, Kunio Yubuta, Masato Hozumi, Keiichi Kohama, Toetsu Shishido, Shuji Oishi

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29 Citations (Scopus)

Abstract

High-quality Li4Ti5O12 crystals were successfully grown at a holding temperature of 800 °C and a solute concentration of 50 mol % using the NaCl flux cooling method. Idiomorphic, highly crystalline, and single-phase Li4Ti5O12 crystals were first grown from the NaCl flux; therefore, the method is very low cost and environmentally friendly (i.e., safe for the environment and humans). On the basis of the powder X-ray diffraction data, the lattice parameter of the crystals was determined to be a = 0.838 nm. This value is in good agreement with that from the literature (a = 0.836 nm). The average crystal size was about 2.6 μm. Transmission electron microscope images indicated that the Li 4Ti5O12 crystals had very good crystallinity. In addition, the crystal phase, crystallinity, shape, and size of the flux-grown Li4Ti5O12 crystals were obviously dependent on the growth conditions, such as the holding temperature and solute concentration.

Original languageEnglish
Pages (from-to)4401-4405
Number of pages5
JournalCrystal Growth and Design
Volume11
Issue number10
DOIs
Publication statusPublished - 2011 Oct 5

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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    Teshima, K., Inagaki, H., Tanaka, S., Yubuta, K., Hozumi, M., Kohama, K., Shishido, T., & Oishi, S. (2011). Growth of well-developed Li4Ti5O12 crystals by the cooling of a sodium chloride flux. Crystal Growth and Design, 11(10), 4401-4405. https://doi.org/10.1021/cg200578r