We only need consider electron as carrier of electric charge in former electron transporting process, but in GMR effect, electron not only is the carrier of electric charge, but also has spin.

在以往的电子输运过程中，人们仅需要考虑电子作为电荷的载体，但在巨磁电阻效应中，电子不仅是电荷的载体，而且具有自旋。

youdao

We only need consider electron as carrier of electric charge in former electron transporting process, but in GMR effect, electron not only is the carrier of electric charge, but also has spin.

在以往的电子输运过程中，人们仅需要考虑电子作为电荷的载体，但在巨磁电阻效应中，电子不仅是电荷的载体，而且具有自旋。

youdao