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Figure 4
Temperature calibration of the sample through lattice parameter evolution and austeno-ferritic transformation of iron. (a) Integrated 1D diffractograms and detector images for the iron sample before and after the α-iron to γ-iron transition. Red arrows indicate the easily identifiable diffraction spots related to the (200) reflection of austenite, which are not visible in the ferritic state. (b) Evolution of the sample temperature determined from the lattice parameter evolution of α-iron. (c) Sample temperature and furnace–sample temperature difference as a function of furnace temperature.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 1| January 2026| Pages 115-122
https://doi.org/10.1107/S1600577525010288
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