基于非共振自旋整流效应的微波场矢量探测器

IF 3.5 2区物理与天体物理 Q2 PHYSICS, APPLIED

Applied Physics Letters Pub Date : 2024-11-26 DOI:10.1063/5.0245019

Peiwen Luo, Bin Peng, Wanli Zhang, Wenxu Zhang

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引用次数: 0

摘要

普通微波（MW）电磁场探测器会将微波功率转换为电压，从而导致微波场的矢量特性丢失。在这项工作中，我们开发了一种基于非共振自旋整流效应的微波磁场（h-场）矢量探测器。通过测量和分析非共振条件下整流电压的角度依赖性，我们可以提取出 h 场的三个分量。作为对这一方法的初步测试，我们以亚波长分辨率获得了共面波导在 5.4 GHz 频率下产生的 h 场分布。与使用铁磁共振的方法相比，该技术提供了一种更快、更方便的方法来确定 h 场的空间分布，可用于 MW 集成电路优化和故障诊断。

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Microwave field vector detector based on the off-resonant spin rectification effect

Normal microwave (MW) electromagnetic field detectors convert microwave power into voltages, which results in loss of the vector characteristics of the microwave field. In this work, we developed a MW magnetic field (h-field) vector detector based on the off-resonant spin rectification effect. By measuring and analyzing the angle dependence of the rectification voltages under off-resonant conditions, we can extract the three components of the h-field. As an initial test of this method, we obtained the h-field distributions at 5.4 GHz generated by a coplanar waveguide with sub-wavelength resolution. Compared to methods using ferromagnetic resonance, this technique offers a faster and more convenient way to determine the spatial distribution of the h-field, which can be used for MW integrated circuit optimization and fault diagnosis.

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来源期刊

Applied Physics Letters 物理-物理：应用

CiteScore

6.40

自引率

10.00%

发文量

1821

审稿时长

1.6 months

期刊介绍： Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology. In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics. APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field. Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.