论文标题
通过FEPT/MGO中的磁弹性性增强电压控制的磁各向异性（001）
Enhanced voltage-controlled magnetic anisotropy via magneto-elasticity in FePt/MgO(001)
论文作者
论文摘要
在电压控制的磁各向异性（VCMA）的背景下，研究了磁电力（ME）和磁弹性（MEL）之间的相互作用。菌株起着更换晶格常数的作用，而是异质结构中内部电场的作用。作为原型，访问了Fept/Mgo（001），其中两个接口的行为截然不同：一个展示另一个交换另一个界面。无论是否存在外部电场（$ e_ {ext} $），我们发现VCMA系数大于1 pj/v $ \ cdot $ m，由于$ M = \ pm1 $和$ \ pm2 $的重新排列$ d $ orbitals的结果是对外部电力场的响应。此外，用征收应变分析了磁结晶各向异性（MA），其中仅通过调用二阶MEL来征收非线性特征。
The interplay between magneto-electricity (ME) and magneto-elasticity (MEL) is studied in the context of voltage-controlled magnetic anisotropy (VCMA). Strain plays more than a role of changing lattice constant but that of the internal electric field in the heterostructure. As a prototype, FePt/MgO(001) is visited, where the behavior of two interfaces are drastically different: one exhibits switching the other does not. Whether an external electric field ($E_{ext}$) is present or not, we found VCMA coefficient larger than 1 pJ/V$\cdot$m, as a consequence of the rearrangement of $d$ orbitals with $m=\pm1$ and $\pm2$ in response to an external electric field. In addition, magneto-crystalline anisotropy (MA) is analyzed with strain taken into account, where non-linear feature is presented only accountable by invoking second-order MEL.
