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The α → β phase transition in quartz and AlPO4 as studied by electron microscopy and diffraction

✍ Scribed by van Tendeloo, G. ;van Landuyt, J. ;Amelinckx, S.


Publisher
John Wiley and Sons
Year
1976
Tongue
English
Weight
756 KB
Volume
33
Category
Article
ISSN
0031-8965

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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