), while other transitions occur at higher temperatures, such as 755∘C755 raised to the composed with power cap C
often appears as a critical "feature" or transition point for Bismuth Ferrite: Neél Temperature ( TNcap T sub cap N N(370)rar
In Ottoman history, Defter N 370 is a famous census record (Tahrir Defter) from approximately 1520–1529 used to study the history of Crimea. ), while other transitions occur at higher temperatures,
): Bismuth Ferrite is multiferroic, meaning it is both ferroelectric and antiferromagnetic. Its antiferromagnetic ordering (Neél temperature) typically occurs between . Phase Stability: Below 370∘C370 raised to the composed with power cap C N(370)rar
, the material often exhibits a hexagonal perovskite structure (space group R3ccap R 3 c