Pressure-induced phase transitions of piezoelectric single crystals from the langasite family: La3Nb0.5Ga5.5O14 and La3Ta0.5Ga5.5O14

Pavlovska, A.; Werner, S.; Maximov, B.; Mill, B.

doi:10.1107/S0108768102010273

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 7
Projection of the monoclinic unit cell along the b axis. The GaO₄ and Ga/NbO₆ or Ga/TaO₆ polyhedra are shown: (a) crystal structure of LNG at pressure 18.5 (3) GPa; (b) crystal structure of LTG at pressure 16.7 (3) GPa.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 58| Part 6| November 2002| Pages 939-947

doi:10.1107/S0108768102010273

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