sodium ferrite

例句：

1. 1. The material is used in electronic devices to improve their performance.
   这种材料用于电子器件中，以提升其性能。
2. 2.Sodium ferrite is a magnetic material that can be magnetized and demagnetized.
   钠铁氧体是一种磁性材料，可以磁化和去磁。
3. 3.In the manufacturing process, sodium ferrite is often used as a magnetic core material.
   在制造过程中，钠铁氧体常被用作磁性芯材。