Structural study of the low-temperature phase of TlH2PO4 at 180 K

Álvarez-Otero, E.; Madariaga, G.; Peral, I.; Folcia, C.L.; Ríos, S.

doi:10.1107/S0108768102010066

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

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Figure 5
Evidence of the splitting of reflections in the (hk0) plane, arising from the presence of new ferroelastic domains derived from the loss of a glide plane perpendicular to a_mon in the phase transition P2₁/b11 $[\rightarrow]$ P $[\bar 1]$ . (a) Reflection (330)_mon at 293 K, before the phase transition. (b) Same reflection (600)_tric at 180 K, where the splitting in two is obvious. (c) and (d) represent the same for reflections (3 $[\bar 7]$ 0)_mon and $[(6 \bar{10} 0)_{\rm tric}]$ , respectively.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 58| Part 5| September 2002| Pages 750-759

doi:10.1107/S0108768102010066

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