Electronic structure and anomalous Hall effect in the ferromagnetic 3d-5d superlattice SrMnO_3/SrIrO_3

Bhowal Sayantika; Satpathy S.

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Electronic structure and anomalous Hall effect in the ferromagnetic 3d-5d superlattice SrMnO_3/SrIrO_3

机译：铁磁3D-5D超晶格SRMNO_3 / SRIRO_3中的电子结构和异常霍尔效果

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The electronic structure and the anomalous Hall effect (AHE) at the recently grown 3d-5d superlattice structure (SrMnO3)(1)/(SrIrO3)(1) are investigated theoretically using model and density-functional calculations. The observed ferromagnetism for the SMO layer, which becomes electron doped because of the charge transfer across the interface, is explained to be due to the Anderson-Hasegawa double exchange, while the SIO side becomes ferromagnetic due to the proximity effect and the Nagaoka physics of a hole-doped system. The broken time-reversal symmetry and the strong spin-orbit coupling in SIO provide the two essential ingredients for the AHE, which we describe within a square lattice model of d-orbitals relevant for the present structure. The model correctly predicts the order of magnitude of the anomalous Hall conductivity (AHC), which is computed using the Kubo formula. The density-functional results for the AHC are in good agreement with the experiments.

机译：理论上使用模型和密度功能计算在理论上研究了最近生长的3D-5D超晶格结构（SRMNO3）（1）（1）的电子结构和异常霍尔效应（AHE）。由于界面的电荷转移，所观察到的SMO层的铁磁性是由于Anderson-Hasegawa双交换，而SiO侧由于邻近效应和Nagaoka物理而成为铁磁的掺杂一个孔掺杂的系统。 SiO中断裂的时间反转对称性和强旋转轨道耦合为AHE提供了两个基本成分，我们在与本结构相关的D轨道的方形格子模型中描述。该模型正确地预测了使用Kubo公式计算的异常霍尔电导率（AHC）的大小。 AHC的密度功能结果与实验一致。

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《Physical review》 |2019年第24期|245145.1-245145.8|共8页
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Bhowal Sayantika; Satpathy S.;
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Univ Missouri Dept Phys & Astron Columbia MO 65211 USA;

Univ Missouri Dept Phys & Astron Columbia MO 65211 USA;

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1. Electronic structure and anomalous Hall effect in the ferromagnetic 3d-5d superlattice SrMnO_3/SrIrO_3 [J] . Bhowal Sayantika, Satpathy S. Physical review . 2019,第24期

机译：铁磁3d-5d超晶格SrMnO_3 / SrIrO_3的电子结构和反常霍尔效应
2. Electronic structure and anomalous Hall effect in the ferromagnetic 3d-5d superlattice SrMnO3/SrIrO3 [J] . Bhowal Sayantika, Satpathy S. Physical review, B . 2019,第24期

机译：铁磁3D-5D超晶格SRMNO3 / SRIRO3中的电子结构和异常霍尔效果
3. Manipulation of electronic structure via alteration of local orbital environment in [(SrIrO_3)_m,(SrTiO_3)](m = 1,2,and ∞) superlattices [J] . So Yeun Kim, Choong H. Kim, L. J. Sandilands, Physical Review. B, Condensed Matter . 2016,第24期

机译：通过改变[（SrIrO_3）_m，（SrTiO_3）]（m = 1,2，和∞）超晶格中的局部轨道环境来操纵电子结构
4. Emergent magnetism at the 3d-5d interface: SrMnO_3/SrIrO_3 [C] . Sayantika Bhowal, Sashi Satpathy International Workshop on Advanced Materials . 2018

机译：3D-5D接口的紧急磁力：SRMNO_3 / SRIRO_3
5. Anomalous Hall effect in ferromagnetic metallic thin films. [D] . Xu, Wenjin. 2010

机译：铁磁金属薄膜中的异常霍尔效应。
6. Weak localization and small anomalous Hall conductivity in ferromagnetic Weyl semimetal Co2TiGe [O] . Rajendra P. Dulal, Bishnu R. Dahal, Andrew Forbes, -1

机译：铁磁Weyl半金属Co2TiGe的弱局部化和小的反常霍尔电导率
7. Electronic structure and anomalous Hall effect in the ferromagnetic 3d−5d superlattice SrMnO3/SrIrO3 [O] . Sayantika Bhowal, S. Satpathy 2019

机译：铁磁3D-5D超晶格SRMNO3 / SRIRO3中的电子结构和异常霍尔效果

Electronic structure and anomalous Hall effect in the ferromagnetic 3d-5d superlattice SrMnO_3/SrIrO_3

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