Lack of a threefold rotation axis in α-Fe2O3 and α-Cr2O3 crystals

Ste˛kiel, M.; Przenioslo, R.; Sosnowska, I.; Fitch, A.; Jasiński, J.B.; Lussier, J.A.; Bieringer, M.

doi:10.1107/S205252061500342X

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

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Figure 1
The observed Bragg peaks integral breadth, β, is shown as a function of the scattering angle 2θ for α-Fe₂O₃ (panel a, solid symbols) and for α-Cr₂O₃ (panel B, open symbols) measured after different milling times of up to 30 min. The lines are shown as a guide to the eye. The dashed line at the bottom of panel (b) shows β(2θ) for the reference (instrumental resolution limited) LaB₆ sample. The Bragg peak indices are given for the hexagonal setting of the space group $[R\bar 3c]$ .

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 71| Part 2| March 2015| Pages 203-208

doi:10.1107/S205252061500342X

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