Purpose

A “spin-diode” is the spintronics equivalent of an electrical diode: applying an external magnetic field greater than the limit of spin-diode BT flips the spin-diode between an isolating state and a conducting state [1]. While conventional electrical diodes are two-terminal devices with electrical current between the two terminals modulated by an electrical field, these two-terminal magneto resistive devices can generally be referred to as “spin-diodes” in which a magnetic field modulates the electrical current between the two terminals.

Design/methodology/approach

Current modulation and rectification are an important subject of electronics as well as spintronics spin diode is two-terminal magnetoresistive devices in which change in resistance in response to an applied magnetic field; this magnetoresistance occurs due to a variety of phenomena and with varying magnitudes and directions.

Findings

In this paper, an efficient rectifying spin diode is introduced. The resulting spin diode is formed from graphene gallium and indium quantum dots and antimony-doped molybdenum disulfide. Converting an alternating bias voltage to direct current is the main achievement of this model device with an additional profit of rectified spin-current. The non-equilibrium density functional theory with a Monte Carlo sampling method is used to evaluate the flow of electrons and rectification ratio of the system.

Originality/value

The results indicate that spin diode displaying both spin-current and charge-current rectification should be possible and may find practical application in nanoscale devices that combine logic and memory functions.

中文翻译：

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基于二维材料的自旋二极管建模与实现蒙特卡罗采样方法

目的

“自旋二极管”是电二极管的自旋电子学等价物：施加大于自旋二极管 BT 极限的外部磁场会使自旋二极管在隔离状态和导电状态之间翻转 [1]。虽然传统的电二极管是两端器件，两端之间的电流由电场调制，但这些两端磁阻器件通常可以称为“自旋二极管”，其中磁场调制之间的电流两个终端。

设计/方法/方法

电流调制和整流是电子学的一个重要课题，自旋电子学自旋二极管是两端磁阻器件，其中电阻随外加磁场发生变化；这种磁阻是由多种现象引起的，并且具有不同的幅度和方向。

发现

本文介绍了一种高效的整流自旋二极管。由此产生的自旋二极管由石墨烯镓和铟量子点以及掺锑二硫化钼形成。将交流偏置电压转换为直流电是该模型器件的主要成就，并具有整流自旋电流的额外收益。使用蒙特卡罗采样方法的非平衡密度泛函理论来评估系统的电子流和整流比。

原创性/价值

结果表明，同时显示自旋电流和充电电流整流的自旋二极管应该是可能的，并且可以在结合逻辑和存储功能的纳米级器件中找到实际应用。