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B. Bo¨hme et al. · Oxidation of Intermetallic Phases
To prevent hydrolysis, the samples were fixed under Ar Acknowledgements
atmosphere between two polyimide foils (7.5 µm, Kap-
ton, Chemplex) on the sample holder. Data for an opti-
mized evaluation of the background intensity originating
from X-ray amorphous constituents were collected with
a Stoe STADI P diffractometer using a zero-background
sample holder (Bragg-Brentano geometry, CuKα1 radiation,
We sincerely thank S. Scharsach for performing the
TG-MS measurement, the Kompetenzgruppe Struktur for
PXRD patterns, and Dr. J. Hunger for the discussion of the
manuscript. B. B. and Y. G. gratefully acknowledge funding
by the European Union and the Free State of Saxony (SAB
project 13853/2379), M. B. and Y. G. gratefully acknowledge
financial support by the Deutsche Forschungsgemeinschaft
(SPP 1415, “Kristalline Nichtgleichgewichtsphasen (KNG)
– Pra¨paration, Charakterisierung und in-situ-Untersuchung
der Bildungsmechanismen“).
◦
˚
λ = 1.540598 A, Ge (111) monochromator, 5 ≤ 2θ ≤ 120 ,
∆2θ = 0.02◦).
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