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Related papers: Spin Hall magnetoresistance in antiferromagnetic i…

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We report giant magnetoresistance up to 150 percent at low bias current and low temperature as well as room temperature magnetoresistance in polymeric spin-valves having the structure LSMO/conjugated polymer/Co. The conjugated polymers,…

Materials Science · Physics 2016-08-31 Sayani Majumdar , Himadri S. Majumdar , Reino Laiho , Ronald Osterbacka

Antiferromagnets are magnetically ordered materials which exhibit no net moment and thus are insensitive to magnetic fields. Antiferromagnetic spintronics aims to take advantage of this insensitivity for enhanced stability, while at the…

We introduce a minimal interface-scattering mechanism that produces a sizable anisotropic magnetoresistance (AMR) in metal/ferromagnet bilayers (e.g., Pt/YIG) without invoking bulk spin or orbital Hall currents. In a $\delta$-layer model…

Mesoscale and Nanoscale Physics · Physics 2025-10-17 Ivan Iorsh , Mikhail Titov

Antiferromagnetic spintronics is an emerging field; antiferromagnets can improve the functionalities of ferromagnets with higher response times, and having the information shielded against external magnetic field. Moreover, a large list of…

The spin-orbit interaction in heavy metal/ferromagnet/oxide structures has been extensively investigated because it can be employed in manipulation of the magnetization direction by in-plane current. This implies the existence of an inverse…

Materials Science · Physics 2015-05-06 Soonha Cho , Seung-heon Chris Baek , Younghun Jo , Byong-Guk Park

We report an investigation of anisotropic magnetoresistance (AMR) and anomalous Hall resistance (AHR) of Rh and Pt thin films sputtered on epitaxial Y$_3$Fe$_5$O$_{12}$ (YIG) ferromagnetic insulator films. For the Pt/YIG hybrid, large…

Mesoscale and Nanoscale Physics · Physics 2015-11-20 T. Shang , Q. F. Zhan , H. L. Yang , Z. H. Zuo , Y. L. Xie , H. H. Li , L. P. Liu , B. M. Wang , Y. H. Wu , S. Zhang , Run-Wei Li

The evolution of information technology has been driven by the discovery of new forms of large magnetoresistance (MR), such as giant magnetoresistance (GMR) and tunnelling magnetoresistance (TMR) in magnetic multilayers. Recently, new types…

Applied Physics · Physics 2020-01-08 Kosuke Takiguchi , Le Duc Anh , Takahiro Chiba , Tomohiro Koyama , Daichi Chiba , Masaaki Tanaka

We present a theory of the spin Hall magnetoresistance of metals in contact with magnetic insulators. We express the spin-mixing conductances, which govern the phenomenology of the effect, in terms of the microscopic parameters of the…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 X. P. Zhang , F. S. Bergeret , V. N. Golovach

The spin filtering effect, distinct decaying lengths experienced by oppositely spin-polarized electrons in a magnetic barrier, generally occurs in ferromagnetic (FM) insulators or semiconductors. With the rise of altermagnetic (ALM)…

Materials Science · Physics 2025-01-08 Boyuan Chi , Leina Jiang , Yu Zhu , Guoqiang Yu , Caihua Wan , Xiufeng Han

We study the temperature dependence of the spin Hall magnetoresistance (SMR) in yttrium iron garnet/platinum hybrid structures via magnetization orientation dependent magnetoresistance measurements. Our experiments show a decrease of the…

Mesoscale and Nanoscale Physics · Physics 2015-09-10 Sibylle Meyer , Matthias Althammer , Stephan Geprägs , Matthias Opel , Rudolf Gross , Sebastian T. B. Goennenwein

Antiferromagnetic (AFM) materials are a pathway to spintronic memory and computing devices with unprecedented speed, energy efficiency, and bit density. Realizing this potential requires AFM devices with simultaneous electrical writing and…

For a long time, there have been no efficient ways of controlling antiferromagnets. Quite a strong magnetic field was required to manipulate the magnetic moments because of a high molecular field and a small magnetic susceptibility. It was…

Materials Science · Physics 2017-08-28 Takahiro Moriyama , Kent Oda , Teruo Ono

Antiferromagnetic (AFM) spintronics, where magneto-transport is governed by an antiferromagnet instead of a ferromagnet, opens fascinating new perspectives for both fundamental research and device technology, owing to their intrinsic…

Materials Science · Physics 2021-10-26 Haowen Wang , Wei Wang , Ni Hu , Tianci Duan , Songliu Yuan , Shuai Dong , Chengliang Lu , Jun-Ming Liu

Recently we have demonstrated the presence of spin-orbit toque in FeMn/Pt multilayers which, in combination with the anisotropy field, is able to rotate its magnetization consecutively from 0o to 360o without any external field. Here, we…

Materials Science · Physics 2017-06-28 Ziyan Luo , Yumeng Yang , Yanjun Xu , Mengzhen Zhang , Baoxi Xu , Jingsheng Chen , Yihong Wu

The occurrence of Spin-Hall Magnetoresistance (SMR) in platinum (Pt) on top of yttrium iron garnet (YIG) has been investigated, for both in-plane and out-of-plane applied magnetic fields and for different Pt thicknesses [3, 4, 8 and 35nm].…

Mesoscale and Nanoscale Physics · Physics 2014-10-03 N. Vlietstra , J. Shan , V. Castel , J. Ben Youssef , B. J. van Wees

Spin-orbit coupling and breaking of inversion symmetry are necessary ingredients to enable a pure spin current-based manipulation of the magnetization via the spin-orbit torque effect. Currently, magnetic insulator oxides with…

We study the spin Hall magnetoresistance (SMR) and the magnon spin transport (MST) in Pt/Y3Fe5O12(YIG)-based devices with intentionally modified interfaces. Our measurements show that the surface treatment of the YIG film results in a…

Mesoscale and Nanoscale Physics · Physics 2016-11-09 Saül Vélez , Amilcar Bedoya-Pinto , Wenjing Yan , Luis E. Hueso , Fèlix Casanova

The antiferromagnetic structure of Sr3Ir2O7, the bilayer analogue of a spin-orbital Mott insulator Sr2IrO4, was revealed by resonant magnetic x-ray diffraction. Contrasting intensities of the magnetic diffraction at the Ir LIII and LII…

Strongly Correlated Electrons · Physics 2015-06-05 Shigeki Fujiyama , K. Ohashi , H. Ohsumi , K. Sugimoto , T. Takayama , T. Komesu , M. Takata , T. Arima , H. Takagi

Non-collinear antiferromagnets can have additional spin Hall effects due to the net chirality of their magnetic spin structure, which provides for more complex spin-transport phenomena compared to ordinary non-magnetic materials. Here we…

Antiferromagnetic (AFM) materials recently have shown interest in the research in spintronics due to its zero stray magnetic field, high anisotropy, and spin orbit coupling. In this context, the bi-metallic AFM Mn2Au has drawn attention…

Materials Science · Physics 2020-04-15 Braj Bhusan Singh , Subhankar Bedanta