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Acta Cryst. (2005). E61, i148-i150  [ doi:10.1107/S1600536805020441 ]

Cubic phase of single-crystal LaAlO3 perovskite synthesized at 4.5 GPa and 1273 K

A. Nakatsuka, O. Ohtaka, H. Arima, N. Nakayama and T. Mizota

Abstract: Single crystals of LaAlO3 (lanthanum aluminium trioxide) have been synthesized at 4.5 GPa and 1273 K, in the presence of an NaCl + KCl flux. The compound crystallizes with the cubic perovskite structure (space group Pm\\overline{3}m). The thermal vibration of the O atom is remarkably suppressed in the directions of the Al-O bonds, and this anisotropy ranks among the largest observed in stoichiometric cubic perovskites.

Online 9 July 2005

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