作为纳米电子学的重要组成，在磁记录、磁头读出、非易失信息随机存储、自旋晶体管及量子计算机等领域将获得广泛应用，成为未来信息科学技术的主导技术。
巨磁电阻效应的发现开拓了磁电子学的新领域。
A new research field of magnetoelectronics has been developed since the discovery of giant magnetoresistance.
用巨磁电阻（GMR）材料构成的磁电子学新器件，已成功地应用于计算机存储领域。
New magneto- electric components made from giant magnetoresistance(GMR)materials have been successfully applied to computer storage.
自旋晶体管作为未来磁电子学或自旋电子学时代的基本元素，目前大都还处在概念型阶段，本文也将对几种自旋晶体管的大致原理作简要介绍。
Three-terminal spintronic devices, i. e. , spin transistors, are also reviewed with the focus on the basic physical principles for these pure research devices at present.
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