Magnon hybridization in ferrimagnetic heterostructures

Song, Li; Shen, Ka; Xia, Ke

doi:10.1103/physrevb.102.224413

Cited by 12 publications

(10 citation statements)

References 45 publications

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“…[23,165,170,213] A number of theoretical proposals may now be realized in this class of materials ranging from emerging spin-orbit coupling over topological surface states to nonabelian computing schemes. [103,165,[167][168][169]201,[214][215][216][217][218][219][220][221][222]…”

Section: Magnon Pseudospin Dynamics In Afismentioning

confidence: 99%

All‐Electrical Magnon Transport Experiments in Magnetically Ordered Insulators

Althammer

2021

Physica Rapid Research Ltrs

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Angular momentum transport is one of the cornerstones of spintronics. Spin angular momentum is not only transported by mobile charge carriers but also by the quantized excitations of the magnetic lattice in magnetically ordered systems. In this regard, magnetically ordered insulators (MOIs) provide a platform for magnon spin transport experiments without additional contributions from spin currents carried by mobile electrons. In combination with charge‐to‐spin current conversion processes in conductors with finite spin–orbit coupling, it is possible to realize all‐electrical magnon transport schemes in thin‐film heterostructures. Herein, an insight into such experiments and recent breakthroughs achieved is provided. Special attention is given to charge‐current‐based manipulation via an adjacent normal metal of magnon transport in MOIs in terms of spin‐transfer torque. Moreover, the influence of two magnon modes with opposite spin in antiferromagnetic insulators on all‐electrical magnon transport experiments is discussed.

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Section: Magnon Pseudospin Dynamics In Afismentioning

confidence: 99%

All‐Electrical Magnon Transport Experiments in Magnetically Ordered Insulators

Althammer

2021

Physica Rapid Research Ltrs

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“…Our high quality thin films access a phase space of samples with arbitrarily aligned magnetization of the bilayers, depending of the relative thicknesses. Up to now, the exchange coupling between YIG and GIG has only been described as an interface effect in GGG/YIG samples [12][13][14]. The artificial stacks grown here give much better control over the bilayer properties and allow for fine tuning of these by choosing the relative thickness of YIG and GIG.…”

Section: Discussionmentioning

confidence: 92%

“…The magnon spectra of YIG has been the subject of both experi-mental and theoretical investigation [6,7]. In heterostructures, magnon-magnon coupling and magnetic coupling play a decisive role for the propagation of magnons [2,[8][9][10][11][12][13]. Here, we investigate the coupling between two different iron based garnets YIG and GIG as candidates for an all insulator magnon spin valve.…”

Section: Introductionmentioning

confidence: 99%

Magnetic coupling in Y$_3$Fe$_5$O$_{12}$/Gd$_3$Fe$_5$O$_{12}$ heterostructures

Becker,

Ren,

Fuhrmann

et al. 2021

Preprint

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“…另外, 在基于魔角双原子层的二维磁性材料莫尔超晶格中, 通过对转角的调控, 可以改变磁子的能带结构, 实现磁子平带、拓扑马约拉纳态等奇特的物态性质 [277−279] . 磁子器件的集成化需要将二维磁性材料垂向堆叠成三维多层膜结构 [280] , 通过层间的交换作用、磁偶极相互作用、磁矩指向等方式可以进一步调控磁子的传输特性 [281,282] . 由多层膜结构构成的人工反铁磁或亚铁磁体系也是研究磁子-磁子耦合效应的理想平台 [67,283] .…”

Section: ±1unclassified

Topological states and quantum effects in magnonics

Wang¹,

Li²,

Huai-Yang³

et al. 2023

Acta Phys. Sin.

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In recent years, with the rapid development of the emerging technologies including the Internet of Things, cloud computing, big data, artificial intelligence and 5G, higher computing power is required. Traditional semiconductor devices are confronting the huge challenges brought by device miniaturization, energy consumption, heat dissipation, and so on. Moore.s law which succeeds in guiding downscaling and upgrading of microelectronics is nearing its end. A new information carrier is urgent need for information transmission and processing instead of electrons. Spin waves are collective excitations in ordered magnets and quantized as magnons. The propagation of magnons does not involve the electron motion and produces no Joule heating, which can overcome the increasing significant issue of heating dissipation in electronic devices. Thus, magnon-based devices have important application prospect in low-power information storage and computing. In this review, we first introduce the recent advances in the excitation, propagation, manipulation, detection of spin waves and magnon-based devices. Then, we mainly discussed the works from our group to inspire more possibilities in this area. This part is described from four aspects: (1) chiral magnonics, including the chiral propagarion of magnetostatic spin waves, DMI-induced nonreciprocity of spin waves, spin-wave propagation at chiral interface, magnonic Goos-Hänchen effect, spin-wave lens, and magnonic Stern-Gerlach effect; (2) nonlinear magnonics, including three-magnon processes induced by DMI and noncollinear magnetic textures, skyrmion-induced magnonic frequency comb, twisted magnon frequency and Penrose superradiance; (3) topological magnonics, including magnon Hall effect, magnonic topological insulator, magnonic topological semimetal, topological edge states and highorder corner states of magnetic solitons arranged in different crystal lattices; (4) quantum magnonics, including quantum states of magnon, magnon-based hybrid quantum systems, and cavity magnonics. Finally, the future development and prospect of magnonics are analyzed and discussed.

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Magnon hybridization in ferrimagnetic heterostructures

Cited by 12 publications

References 45 publications

All‐Electrical Magnon Transport Experiments in Magnetically Ordered Insulators

All‐Electrical Magnon Transport Experiments in Magnetically Ordered Insulators

Magnetic coupling in Y$_3$Fe$_5$O$_{12}$/Gd$_3$Fe$_5$O$_{12}$ heterostructures

Topological states and quantum effects in magnonics

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