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Figure 8
The effect of pressure on Hg10Sn90 (Degtyareva et al., 1999BB3). Au is the pressure marker. Diffraction peaks in EDXD spectra (2θ = 9.52°) are fitted to the tI2 structure, indexing is given for the lower pattern at 41.1 GPa. Additional diffraction peaks observed above ∼55 GPa have been interpreted as orthorhombic distortion; indexing is given for the upper pattern (shaded). In the light of later results on the In–Sn system, a two-phase mixture of bct-tI2 and hcp-hP2 is suggested; re-indexing is given in the upper panel. This assumption explains all diffraction peaks including previously unexplained ones (marked by asterisks).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 12| Part 5| August 2005| Pages 584-589
doi:10.1107/S0909049505021321
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