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Figure 4
Rietveld fittings for Sb72Te28 and Sb85Te15. Observed (+) and calculated (blue line) X-ray diffraction profiles of Sb72Te28 (top) and Sb85Te15 (bottom) at 90 K. The wavelength of incident X-rays is 0.42137 Å. A difference curve (observed–calculated) appears at the bottom of each figure. Weak reflection peaks due to the Sb2O3 phase were observed in the profile and a two-phase analysis was carried out. The reflection markers are indicated by vertical bars under the profile (upper: Sb–Te phase; lower: Sb2O3 phase).

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