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Incommensurate–normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study

✍ Scribed by Luca Bindi; P. Bonazzi


Publisher
Springer-Verlag
Year
2005
Tongue
English
Weight
294 KB
Volume
32
Category
Article
ISSN
0342-1791

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Ca 2 Fe 2 O 5 shows a first-order phase transition from space group Pnma to a modulated structure described in superspace group Immað00gÞs00. The transition starts at 947 K during heating and the reverse transition in cooling conditions starts at 923 K, as determined from differential thermal analys