By appropriate annealing prior to irradiation, we can obtain an enhanced exchange field and an almost unchanged GMR to solve the problem of interface intermixing.

• 为了解决界面处因离子布植而产生的问题，我们利用先加以热处理再进行碳离子布植的制程，成功地抑制巨磁阻的减少，同时仍然保有因布植而产生增加交换场之效果。