Ferrimagnetism is a type of magnetic ordering found in certain materials where magnetic moments of atoms align in opposite directions but are unequal in magnitude. This results in a net magnetic moment, allowing the material to exhibit magnetic properties. Ferrimagnetic materials are commonly found in ferrites, which are often used in electronic devices and magnetic cores. In ferrimagnetic materials, the opposing magnetic moments typically arise from different types of ions or atoms, such as iron and oxygen. This unique arrangement leads to interesting magnetic behaviors, making ferrimagnetism important in applications like magnetic storage and transformers.