基于接近范德华磁体 Cr2Ge2Te6 的无缝石墨烯自旋阀

IF 33.7 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Haozhe Yang, Marco Gobbi, Franz Herling, Van Tuong Pham, Francesco Calavalle, Beatriz Martín-García, Albert Fert, Luis E. Hueso, Fèlix Casanova
{"title":"基于接近范德华磁体 Cr2Ge2Te6 的无缝石墨烯自旋阀","authors":"Haozhe Yang, Marco Gobbi, Franz Herling, Van Tuong Pham, Francesco Calavalle, Beatriz Martín-García, Albert Fert, Luis E. Hueso, Fèlix Casanova","doi":"10.1038/s41928-024-01267-0","DOIUrl":null,"url":null,"abstract":"<p>Pristine graphene is potentially an ideal medium for transporting spin information. Proximity effects—where a neighbouring material is used to alter the properties of a material in adjacent (or proximitized) regions—can also be used in graphene to generate and detect spins by acquiring spin–orbit coupling or magnetic exchange coupling. However, the development of seamless spintronic devices that are based only on proximity effects remains challenging. Here we report a two-dimensional graphene spin valve that is enabled by proximity to the van der Waals magnet Cr<sub>2</sub>Ge<sub>2</sub>Te<sub>6</sub>. Spin precession measurements show that the graphene acquires both spin–orbit coupling and magnetic exchange coupling when interfaced with the Cr<sub>2</sub>Ge<sub>2</sub>Te<sub>6</sub>. This leads to spin generation by both electrical spin injection and the spin Hall effect, while retaining spin transport. The simultaneous presence of spin–orbit coupling and magnetic exchange coupling also leads to a sizeable anomalous Hall effect.</p>","PeriodicalId":19064,"journal":{"name":"Nature Electronics","volume":null,"pages":null},"PeriodicalIF":33.7000,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A seamless graphene spin valve based on proximity to van der Waals magnet Cr2Ge2Te6\",\"authors\":\"Haozhe Yang, Marco Gobbi, Franz Herling, Van Tuong Pham, Francesco Calavalle, Beatriz Martín-García, Albert Fert, Luis E. Hueso, Fèlix Casanova\",\"doi\":\"10.1038/s41928-024-01267-0\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Pristine graphene is potentially an ideal medium for transporting spin information. Proximity effects—where a neighbouring material is used to alter the properties of a material in adjacent (or proximitized) regions—can also be used in graphene to generate and detect spins by acquiring spin–orbit coupling or magnetic exchange coupling. However, the development of seamless spintronic devices that are based only on proximity effects remains challenging. Here we report a two-dimensional graphene spin valve that is enabled by proximity to the van der Waals magnet Cr<sub>2</sub>Ge<sub>2</sub>Te<sub>6</sub>. Spin precession measurements show that the graphene acquires both spin–orbit coupling and magnetic exchange coupling when interfaced with the Cr<sub>2</sub>Ge<sub>2</sub>Te<sub>6</sub>. This leads to spin generation by both electrical spin injection and the spin Hall effect, while retaining spin transport. The simultaneous presence of spin–orbit coupling and magnetic exchange coupling also leads to a sizeable anomalous Hall effect.</p>\",\"PeriodicalId\":19064,\"journal\":{\"name\":\"Nature Electronics\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":33.7000,\"publicationDate\":\"2024-11-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nature Electronics\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.1038/s41928-024-01267-0\",\"RegionNum\":1,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nature Electronics","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1038/s41928-024-01267-0","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0

摘要

原始石墨烯可能是传输自旋信息的理想介质。在石墨烯中,邻近效应--即利用邻近材料改变邻近(或近似)区域材料的特性--也可以通过获得自旋轨道耦合或磁交换耦合来产生和检测自旋。然而,开发仅基于邻近效应的无缝自旋电子器件仍具有挑战性。在这里,我们报告了一种二维石墨烯自旋阀,它可以通过接近范德华磁体 Cr2Ge2Te6 来实现。自旋前驱测量结果表明,当石墨烯与 Cr2Ge2Te6 相互连接时,石墨烯获得了自旋轨道耦合和磁交换耦合。这导致通过电自旋注入和自旋霍尔效应产生自旋,同时保持自旋传输。同时存在的自旋轨道耦合和磁交换耦合也导致了相当大的反常霍尔效应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A seamless graphene spin valve based on proximity to van der Waals magnet Cr2Ge2Te6

A seamless graphene spin valve based on proximity to van der Waals magnet Cr2Ge2Te6

Pristine graphene is potentially an ideal medium for transporting spin information. Proximity effects—where a neighbouring material is used to alter the properties of a material in adjacent (or proximitized) regions—can also be used in graphene to generate and detect spins by acquiring spin–orbit coupling or magnetic exchange coupling. However, the development of seamless spintronic devices that are based only on proximity effects remains challenging. Here we report a two-dimensional graphene spin valve that is enabled by proximity to the van der Waals magnet Cr2Ge2Te6. Spin precession measurements show that the graphene acquires both spin–orbit coupling and magnetic exchange coupling when interfaced with the Cr2Ge2Te6. This leads to spin generation by both electrical spin injection and the spin Hall effect, while retaining spin transport. The simultaneous presence of spin–orbit coupling and magnetic exchange coupling also leads to a sizeable anomalous Hall effect.

求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
Nature Electronics
Nature Electronics Engineering-Electrical and Electronic Engineering
CiteScore
47.50
自引率
2.30%
发文量
159
期刊介绍: Nature Electronics is a comprehensive journal that publishes both fundamental and applied research in the field of electronics. It encompasses a wide range of topics, including the study of new phenomena and devices, the design and construction of electronic circuits, and the practical applications of electronics. In addition, the journal explores the commercial and industrial aspects of electronics research. The primary focus of Nature Electronics is on the development of technology and its potential impact on society. The journal incorporates the contributions of scientists, engineers, and industry professionals, offering a platform for their research findings. Moreover, Nature Electronics provides insightful commentary, thorough reviews, and analysis of the key issues that shape the field, as well as the technologies that are reshaping society. Like all journals within the prestigious Nature brand, Nature Electronics upholds the highest standards of quality. It maintains a dedicated team of professional editors and follows a fair and rigorous peer-review process. The journal also ensures impeccable copy-editing and production, enabling swift publication. Additionally, Nature Electronics prides itself on its editorial independence, ensuring unbiased and impartial reporting. In summary, Nature Electronics is a leading journal that publishes cutting-edge research in electronics. With its multidisciplinary approach and commitment to excellence, the journal serves as a valuable resource for scientists, engineers, and industry professionals seeking to stay at the forefront of advancements in the field.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信