PtxSn1−x合金的磁化开关及检测

IF 11.6 1区物理与天体物理 Q1 PHYSICS, APPLIED

Applied physics reviews Pub Date : 2025-05-21 DOI:10.1063/5.0251598

Mahendra DC, Keita Sakuma, Santosh KC, Punyashloka Debashis, Christopher Gay, Jennifer Lux, Carly Rogan, Tyrone Wilson, Raphael Toku, Dominique Adams, Fen Xue, John J. Plombon, Joshua Kevek, Tristan A. Tronic, Scott B. Clendenning, Marko Radosavljevic, Masashi Miura, Shan X. Wang, Ian A. Young

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引用次数: 0

摘要

本文介绍了Pt和Sn合金的自旋轨道转矩（SOT）无场磁化开关和室温磁化检测。对平面霍尔效应和弱反局域化的观测提供了PtSn4中存在拓扑特征的证据。Pt1Sn1的自旋-转矩效率和自旋-电荷转换（SCC）分别为0.31±0.02和0.47±0.08。高SOT效率，大SCC信号，低磁化开关电流密度，以及大规模生产的工业兼容性导致PtxSn1−x合金在磁存储和逻辑器件中的应用。

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Magnetization switching and detection by PtxSn1−x alloys

We present spin–orbit torque (SOT) field free magnetization switching and the detection of magnetization at room temperature using Pt and Sn alloys. Observations of the planar Hall effect and weak antilocalization provide evidence of topological features present in the PtSn4. The figures of merit of the spin-torque efficiency and spin-to-charge conversion (SCC) were estimated to be as large as 0.31 ± 0.02 and 0.47 ± 0.08, respectively, in Pt1Sn1. High SOT efficiency, large SCC signal, low magnetization switching current density, and industry compatibility for large-scale production have led to the application of PtxSn1−x alloys in magnetic memory and logic devices.

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来源期刊

Applied physics reviews PHYSICS, APPLIED-

CiteScore

22.50

自引率

2.00%

发文量

113

审稿时长

2 months

期刊介绍： Applied Physics Reviews (APR) is a journal featuring articles on critical topics in experimental or theoretical research in applied physics and applications of physics to other scientific and engineering branches. The publication includes two main types of articles: Original Research: These articles report on high-quality, novel research studies that are of significant interest to the applied physics community. Reviews: Review articles in APR can either be authoritative and comprehensive assessments of established areas of applied physics or short, timely reviews of recent advances in established fields or emerging areas of applied physics.