classification

Classification of multiferroics (schemes adapted from Ref. 1, 2)

Due to Kohmskii’s prominent legacy in the field of multiferroics, we can, as a first approach, divide them in two classes: type-I and type-II multiferroics (figure above).¹ The main difference between them is that the two distinct ferroic orders occur at different critical temperatures in type-I, whereas in type-II occur simultaneously, in other words, the one induces the other. Below, the principal subclasses among the two families will be presented, together with a few examples of multiferroic materials.

1. D. Khomskii, Physics (College. Park. Md). 2, 20 (2009).2. Y. Tokura and N. Kida, Philos. Trans. R. Soc. London A Math. Phys. Eng. Sci. 369, (2011).

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