Ather Mahmood, Jamie L. Weaver, Syed Qamar Abbas Shah, Will Echtenkamp, Jeffrey W. Lynn, Peter A. Dowben, Christian Binek
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引用次数: 0
摘要
反铁磁性自旋电子学高效、快速的非易失性存储器是反铁磁性自旋电子学的顶峰。封面显示的是一种利用反铁磁性、掺杂 B 的磁电 Cr2O3 薄膜的装置。施加在薄膜上的电压可控制其奈尔矢量和状态变量。为便于高温操作,B:Cr2O3 的奈尔温度 TN 可调。在 Ather Mahmood、Christian Binek 及其同事撰写的文章 2300061 中,冷中子和 X 射线光发射 (XPS) 数据显示,退火会导致界面 B 积累和 TN 上升。中子和 XPS 深度剖析绘制了与深度相关的硼浓度图。
Post Deposition Interfacial Néel Temperature Tuning in Magnetoelectric B:Cr2O3 (Adv. Phys. Res. 1/2024)
Antiferromagnetic Spintronics
Energy efficient and fast, non-volatile memory is the apogee of antiferromagnetic spintronics. The cover page shows a device which utilizes an antiferromagnetic, B-doped thin film of magnetoelectric Cr2O3. Voltage applied across the film controls its Néel vector and state variable. To facilitate high temperature operation, the Néel temperature, TN, of B:Cr2O3 is tuned. In article 2300061 by Ather Mahmood, Christian Binek, and colleagues, cold neutron and x-ray photoemission (XPS) data show that annealing leads to interfacial B-accumulation and TN increase. Neutron and XPS depth profiling map the depth dependent B-concentration.