使用（112）织构的DO_22 MnGa固定层的赝自旋阀
Pseudo Spin Valves Using a (112)-textured DO_22 MnGa Fixed Layer
摘要：
我们用（112）织构的DO_22MnGa（MnGa）倾斜磁化固定层和面内CoFe自由层实现了赝自旋阀。单一的D0_22 MnGa薄膜表现出在金属中典型观察到的小的磁阻（MR）。在MnGa/Cu/ CoFe自旋阀中，通过在MnGa/Cu界面处引入薄的自旋极化CoFe插入层并定制MnGa厚度，实现了从负MR（-0.08%）到正MR（3.88%）的转变。最后，MnGa和CoFe插入层之间的交换耦合使用一阶反转曲线（FORC）技术进行了研究。
英文摘要：
We demonstrate pseudo spin valves with a (112)-textured DO_22 MnGa (MnGa) tilted magnetization fixed layer and an in-plane CoFe free layer. Single D0_22 MnGa films exhibit a small magnetoresistance (MR) typically observed in metals. In MnGa/Cu/ CoFe spin valves a transition from a negative (-0.08%) to positive (3.88%) MR is realized by introducing a thin spin polarizing CoFe insertion layer at the MnGa/Cu interface and tailoring the MnGa thickness. Finally, the exchange coupling between the MnGa and CoFe insertion layer is studied using a first-order reversal curve (FORC) technique.
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