The term multiferroics has been used to describe materials in which two or more of the primary ferroic properties occur in the same phase.
多铁性材料是指材料的同一个相中包含两种及两种以上铁的基本性能。
英语百科
Multiferroics
Multiferroics have been formally defined as materials that exhibit more than one primary ferroic order parameter simultaneously (i.e. in a single phase), and many researchers in the field consider materials to be multiferroics only if they exhibit coupling between primary order parameters. However, the definition of multiferroics can be expanded to include non-primary order parameters, such as antiferromagnetism or ferrimagnetism.