Critical Temperature
Although the critical temperature for the magnetic phase transition is most often reported as 643 K, it is in fact 653 K. The first who reported the critical temperature as 653 K were Kiselev et al. and although scienctist write 643 K, they cite Kiselev et al. This failure has now spreaded to most of the publications of nowadays.
Read more about this topic: Bismuth Ferrite
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