Color Origins in Langatate Crystals

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Allani, Maroua; Batis, Narjès; Nehari, Abdeldjelil; Cabane, Hugues; Lebbou, Kheirreddine; Pecheyran, Christophe; Reibel, Corine; Boy, Jean-Jacques;

Langatate La3Ga5.5Ta0.5O14 is piezoelectric crystal from langasite family, commonly grown by Czochralski method from Ir crucible. Langatate crystals of different colors (colorless, orange, green) have been studied by optical spectroscopy in UV-Visible (200 – 800 nm) and... View more
  • References (26)
    26 references, page 1 of 3

    [1] R. C. Smythe, R. C. Helmbold, G. E. Hague, and K. A. Snow, “Langasite, langanite, and langatate bulk-wave Y-cut resonators,” IEEE Trans. Ultrason. Ferroelectr. Freq. Control, vol. 47, no. 2, pp. 355-360, Mar. 2000.

    [2] J. J. Boy et al., “New LGT crystal for ultra-stable resonators,” in European Frequency and Time Forum (EFTF), 2014, 2014, pp. 75-78.

    [3] M. Allani et al., “How to qualify LGT crystal for acoustic devices?,” in Frequency Control Symposium & the European Frequency and Time Forum (FCS), 2015 Joint Conference of the IEEE International, 2015, pp. 100-105.

    [4] I. A. Kaurova, G. M. Kuz'micheva, V. B. Rybakov, A. B. Dubovskii, and A. Cousson, “Composition, structural parameters, and color of langatate,” Inorg. Mater., vol. 46, no. 9, pp. 988-993, 2010.

    [5] G. M. Kuz'micheva et al., “The color of langatate crystals and its relationship with composition and optical properties,” Cryst. Res. Technol., vol. 47, no. 2, pp. 131-138, 2012.

    [6] O. A. Buzanov, E. V. Zabelina, and N. S. Kozlova, “Optical properties of lanthanum-gallium tantalate at different growth and post-growth treatment conditions,” Crystallogr. Rep., vol. 52, no. 4, pp. 691-696, Jul. 2007.

    [7] H. Kawanaka, H. Takeda, K. Shimamura, and T. Fukuda, “Growth and characterization of La3Ta0.5Ga5.5O14 single crystals,” J. Cryst. Growth, vol. 183, no. 1, pp. 274-277, Jan. 1998.

    [8] B. Chai, J. L. Lefaucheur, Y. Y. Ji, and H. Qiu, “Growth and evaluation of large size LGS (La3Ga5 SiO14) LGN (La3Ga5.5Nb0.5 O14) and LGT (La3Ga5.5Ta0.5 O14) single crystals,” in Proceedings of the 1998 IEEE International Frequency Control Symposium (Cat. No.98CH36165), 1998, pp. 748-760.

    [9] G. M. Kuz'micheva, E. A. Tyunina, E. N. Domoroshchina, V. B. Rybakov, and A. B. Dubovskii, “X-ray diffraction study of La3Ga5.5Ta0.5O14 and La3Ga5.5Nb0.5O14 langasite-type single crystals,” Inorg. Mater., vol. 41, no. 4, pp. 412-419, Apr. 2005.

    [10] G. M. Kuzmicheva, E. N. Domoroschina, V. B. Rybakov, A. B. Dubovsky, and E. A. Tyunina, “A family of langasite: growth and structure,” J. Cryst. Growth, vol. 275, no. 1-2, pp. e715-e719, Feb. 2005.

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