IrMn top spin valves,with a structure of Ta/NiFe/CoFe/Cu/CoFe/IrMn/Ta,were deposited on glass and silicon substrate by high vacuum DC magnetron sputtering.

• 在玻璃和硅衬底上利用高真空直流磁控溅射的方法淀积了结构为Ta/NiFe/CoFe/Cu/CoFe/IrMn/Ta的IrMn顶钉扎自旋阀薄膜。 分别研究了增加磁电阻率,降低矫顽力和提高交换场的方法。