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Related papers: Anomalous Hall effect in YIG$|$Pt bilayers

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Anomalous Hall-like signals in platinum in contact with magnetic insulators are common observations that could be explained by either proximity magnetization or spin Hall magnetoresistance. In this work, longitudinal and transverse…

Mesoscale and Nanoscale Physics · Physics 2019-09-18 Tobias Kosub , Saül Vélez , Juan M. Gomez-Perez , Luis E. Hueso , Jürgen Faßbender , Fèlix Casanova , Denys Makarov

The planar Hall effect of IrMn on an yttrium iron garnet (YIG = Y3Fe5O12) was measured in the magnetic field rotating in the film plane. The magnetic field angle dependence of planar Hall resistance (PHR) has been observed in YIG/IrMn…

Materials Science · Physics 2015-06-23 Xu Zhang

The anomalous Hall effect is deemed to be a unique transport property of ferromagnetic metals, caused by the concerted action of spin polarization and spin-orbit coupling. Nevertheless, recent experiments have shown that the effect also…

Mesoscale and Nanoscale Physics · Physics 2016-04-06 Steven S. -L. Zhang , Giovanni Vignale

We report an investigation of temperature and IrMn layered thickness dependence of anomalous-Hall resistance (AHR), anisotropic magnetoresistance (AMR), and magnetization on Pt/Ir20Mn80/Y3Fe5O12 (Pt/IrMn/YIG) heterostructures. The magnitude…

Strongly Correlated Electrons · Physics 2016-10-06 T. Shang , H. L. Yang , Q. F. Zhan , Z. H. Zuo , Y. L. Xie , L. P. Liu , S. L. Zhang , Y. Zhang , H. H. Li , B. M. Wang , Y. H. Wu , S. Zhang , Run-Wei Li

We derive the anomalous Hall contributions arising from dipolar interactions to diffusive spin transport in magnetic insulators. Magnons, the carriers of angular momentum in these systems, are shown to have a non-zero Berry curvature,…

Mesoscale and Nanoscale Physics · Physics 2021-06-23 Pieter M. Gunnink , Rembert A. Duine , Andreas Rückriegel

We carried out a concerted effort to determine the absolute sign of the inverse spin Hall effect voltage generated by spin currents injected into a normal metal. We focus on yttrium iron garnet (YIG)|platinum bilayers at room temperature,…

We demonstrate the anomalous Hall effect (AHE) in single-layer graphene exchange-coupled to an atomically flat yttrium iron garnet (YIG) ferromagnetic thin film. The anomalous Hall conductance has magnitude of ~0.09(2e2/h) at low…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Zhiyong Wang , Chi Tang , Raymond Sachs , Yafis Barlas , Jing Shi

Non-monotonic dependence of anomalous Hall resistivity on temperature and magnetization, including a sign change, was observed in Fe/Gd bilayers. To understand the intriguing observations, we fabricated the Fe/Gd bilayers and single layers…

Materials Science · Physics 2011-06-01 W. J. Xu , B. Zhang , Z. X. Liu , Z. Wang , W. Li , Z. B. Wu , R. H. Yu , X. X. Zhang

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

We report measurements on yttrium iron garnet (YIG) thin films grown on both gadolinium gallium garnet (GGG) and yttrium aluminium garnet (YAG) substrates, with and without thin Pt top layers. We provide three principal results: the…

Materials Science · Physics 2017-10-11 J. F. K. Cooper , C. J. Kinane , S. Langridge , M. Ali , B. J. Hickey , T. Niizeki , K. Uchida , E. Saitoh , H. Ambaye , A. Glavic

We report the observation of the spin Peltier effect (SPE) in the ferrimagnetic insulator Yttrium Iron Garnet (YIG), i.e. a heat current generated by a spin current flowing through a Platinum (Pt)|YIG interface. The effect can be explained…

Mesoscale and Nanoscale Physics · Physics 2014-07-16 J. Flipse , F. K. Dejene , D. Wagenaar , G. E. W. Bauer , J. Ben Youssef , B. J. van Wees

The spin Hall effect in a heavy metal thin film allows to probe the magnetic properties of an adjacent magnetic insulator via magnetotransport measurements. Here, we investigate the magnetoresistive response of yttrium iron garnet/platinum…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Richard Schlitz , Sergey Granovsky , Sebastian T. B. Goennenwein

Quantum anomalous Hall state is expected to emerge in Dirac electron systems such as graphene under both sufficiently strong exchange and spin-orbit interactions. In pristine graphene, neither interaction exists; however, both interactions…

Mesoscale and Nanoscale Physics · Physics 2017-10-12 Chi Tang , Bin Cheng , Mohammed Aldosary , Zhiyong Wang , Zilong Jiang , K. Watanabe , T. Taniguchi , Marc Bockrath , Jing Shi

We quantify the relative weight of inverse spin Hall and spin rectification effects occurring in RF-sputtered polycrystalline permalloy, molecular beam epitaxy-grown epitaxial iron and liquid phase epitaxy-grown yttrium-iron-garnet bilayer…

Mesoscale and Nanoscale Physics · Physics 2017-08-02 Sascha Keller , Jochen Greser , Matthias R. Schweizer , Andres Conca , Burkard Hillebrands , E. Th. Papaioannou

The dependence of the spin pumping efficiency and the spin mixing conductance on the surface processing of yttrium iron garnet (YIG) before the platinum (Pt) deposition has been investigated quantitatively. The ferromagnetic resonance…

Mesoscale and Nanoscale Physics · Physics 2013-09-26 M. B. Jungfleisch , V. Lauer , R. Neb , A. V. Chumak , B. Hillebrands

We report on a comparative study of spin Hall related effects and magnetoresistance in YIG|Pt and YIG|Ta bilayers. These combined measurements allow to estimate the characteristic transport parameters of both Pt and Ta layers juxtaposed to…

Mesoscale and Nanoscale Physics · Physics 2013-05-15 Christian Hahn , Grégoire De Loubens , Olivier Klein , Michel Viret , Vladimir V. Naletov , J. Ben Youssef

We demonstrate the generation and detection of spin-torque ferromagnetic resonance in Pt/YIG bilayers. A unique attribute of this system is that the spin Hall effect lies at the heart of both the generation and detection processes and no…

The magnetic insulator yttrium iron garnet (YIG) with a ferrimagnetic transition temperature of $\sim$560 K has been widely used in microwave and spintronic devices. Anomalous features in the spin Seeback effect (SSE) voltages have been…

Strongly Correlated Electrons · Physics 2017-10-04 Haoran Man , Zhong Shi , Guangyong Xu , Yadong Xu , Xi Chen , Sean Sullivan , Jianshi Zhou , Ke Xia , Jing Shi , Pengcheng Dai

The effective field torque of an yttrium-iron-garnet film on the spin accumulation in an attached Pt film is measured by the spin-Hall magnetoresistance (SMR). As a result, the magnetization direction of a ferromagnetic insulating layer can…

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

We demonstrate robust interface strain-induced perpendicular magnetic anisotropy in atomically flat ferrimagnetic insulator Tm3Fe5O12 films grown with pulsed laser deposition on substituted-Gd3Ga5O12 substrate which maximizes the tensile…

Materials Science · Physics 2016-10-11 Chi Tang , Pathikumar Sellappan , Yawen Liu , Yadong Xu , Javier E. Garay , Jing Shi
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