Magnon Torque Transferred into a Magnetic Insulator through an Antiferromagnetic Insulator
Electrical spin-orbit torque (SOT) in magnetic insulators (MI) has been intensively studied due to its advantages in spin-orbitronic devices with ultralow energy consumption. However, the magnon torque in the MIs, which has the potential to further lower the energy consumption, still remains elusive...
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MDPI AG
2021
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oai:doaj.org-article:be1f324d67c545338e7b75a460bbd66f2021-11-25T18:29:42ZMagnon Torque Transferred into a Magnetic Insulator through an Antiferromagnetic Insulator10.3390/nano111127662079-4991https://doaj.org/article/be1f324d67c545338e7b75a460bbd66f2021-10-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/2766https://doaj.org/toc/2079-4991Electrical spin-orbit torque (SOT) in magnetic insulators (MI) has been intensively studied due to its advantages in spin-orbitronic devices with ultralow energy consumption. However, the magnon torque in the MIs, which has the potential to further lower the energy consumption, still remains elusive. In this work, we demonstrate the efficient magnon torque transferred into an MI through an antiferromagnetic insulator. By fabricating a Pt/NiO/Tm<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula>Fe<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>5</mn></msub></semantics></math></inline-formula>O<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>12</mn></msub></semantics></math></inline-formula> heterostructure with different NiO thicknesses, we have systematically investigated the evolution of the transferred magnon torque. We show that the magnon torque efficiency transferred through the NiO into the MI can retain a high value (∼50%), which is comparable to the previous report for the magnon torque transferred into the metallic magnet. Our study manifests the feasibility of realizing the pure magnon-based spin-orbitronic devices with ultralow energy consumption and high efficiency.Zhiren ChenZehan ChenXiaotian ZhaoBaoshan CuiHongnan ZhengLin LiuWei JiaTianhui LiZhixiang YeMingxia QiuNing WangLei MaHongyu AnMDPI AGarticlemagnon torquemagnetic insulatorantiferromagnetic insulatorspin-orbit torqueChemistryQD1-999ENNanomaterials, Vol 11, Iss 2766, p 2766 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
magnon torque magnetic insulator antiferromagnetic insulator spin-orbit torque Chemistry QD1-999 |
| spellingShingle |
magnon torque magnetic insulator antiferromagnetic insulator spin-orbit torque Chemistry QD1-999 Zhiren Chen Zehan Chen Xiaotian Zhao Baoshan Cui Hongnan Zheng Lin Liu Wei Jia Tianhui Li Zhixiang Ye Mingxia Qiu Ning Wang Lei Ma Hongyu An Magnon Torque Transferred into a Magnetic Insulator through an Antiferromagnetic Insulator |
| description |
Electrical spin-orbit torque (SOT) in magnetic insulators (MI) has been intensively studied due to its advantages in spin-orbitronic devices with ultralow energy consumption. However, the magnon torque in the MIs, which has the potential to further lower the energy consumption, still remains elusive. In this work, we demonstrate the efficient magnon torque transferred into an MI through an antiferromagnetic insulator. By fabricating a Pt/NiO/Tm<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula>Fe<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>5</mn></msub></semantics></math></inline-formula>O<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>12</mn></msub></semantics></math></inline-formula> heterostructure with different NiO thicknesses, we have systematically investigated the evolution of the transferred magnon torque. We show that the magnon torque efficiency transferred through the NiO into the MI can retain a high value (∼50%), which is comparable to the previous report for the magnon torque transferred into the metallic magnet. Our study manifests the feasibility of realizing the pure magnon-based spin-orbitronic devices with ultralow energy consumption and high efficiency. |
| format |
article |
| author |
Zhiren Chen Zehan Chen Xiaotian Zhao Baoshan Cui Hongnan Zheng Lin Liu Wei Jia Tianhui Li Zhixiang Ye Mingxia Qiu Ning Wang Lei Ma Hongyu An |
| author_facet |
Zhiren Chen Zehan Chen Xiaotian Zhao Baoshan Cui Hongnan Zheng Lin Liu Wei Jia Tianhui Li Zhixiang Ye Mingxia Qiu Ning Wang Lei Ma Hongyu An |
| author_sort |
Zhiren Chen |
| title |
Magnon Torque Transferred into a Magnetic Insulator through an Antiferromagnetic Insulator |
| title_short |
Magnon Torque Transferred into a Magnetic Insulator through an Antiferromagnetic Insulator |
| title_full |
Magnon Torque Transferred into a Magnetic Insulator through an Antiferromagnetic Insulator |
| title_fullStr |
Magnon Torque Transferred into a Magnetic Insulator through an Antiferromagnetic Insulator |
| title_full_unstemmed |
Magnon Torque Transferred into a Magnetic Insulator through an Antiferromagnetic Insulator |
| title_sort |
magnon torque transferred into a magnetic insulator through an antiferromagnetic insulator |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/be1f324d67c545338e7b75a460bbd66f |
| work_keys_str_mv |
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1718411101759078400 |