Structures and thermal stability of the α-LiNH4SO4 polytypes doped with Er3+ and Yb3+

Sabalisck, N.P.; Guzmán-Afonso, C.; González-Silgo, C.; Torres, M.E.; Pasán, J.; del-Castillo, J.; Ramos-Hernández, D.; Hernández-Suárez, A.; Mestres, L.

doi:10.1107/S2052520616019028

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

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Figure 7
Diffractograms of LAS Er 0.6 mol% powder samples measured on heating and cooling. Observed data are shown in black. As an example, at the bottom of the figure, the profile fit is shown by red lines and the difference between the observed and calculated profiles is plotted by blue lines. The green vertical bars represent the Bragg reflections. The upper group of reflections belongs to ferroelectric β-LAS and the lower ones to α-LAS Er 0.6 mol%. Two marked peaks are used for faster identification.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 73| Part 1| February 2017| Pages 122-133

https://doi.org/10.1107/S2052520616019028

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