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Related papers: Micro magnet location using spin waves

200 papers

We report on long-range spin wave (SW) propagation in nanometer-thick yttrium iron garnet (YIG) film with an ultralow Gilbert damping. The knowledge of a wavenumber value $|\vec{k}|$ is essential for designing SW devices. Although…

Spin waves - the elementary excitations of magnetic materials - are prime candidate signal carriers for low dissipation information processing. Being able to image coherent spin-wave transport is crucial for developing interference-based…

Conversion of traveling magnons into an electron carried spin current is demonstrated in a time resolved experiment using a spatially separated inductive spin-wave source and an inverse spin Hall effect (ISHE) detector. A short spin-wave…

Mesoscale and Nanoscale Physics · Physics 2013-09-26 A. V. Chumak , A. A. Serga , M. B. Jungfleisch , R. Neb , D. A. Bozhko , V. S. Tiberkevich , B. Hillebrands

We present a rotary-stage microwave probe station suitable for magnetic films and spintronic devices. Two stages, one for field rotation from parallel to perpendicular to the sample plane (Out-of-Plane) and the other intended for field…

Materials Science · Physics 2016-07-18 Shikun He , Zhaoliang Meng , Lisen Huang , Lee Koon Yap , Tiejun Zhou , Christos Panagopoulos

Magnonics is a promising platform for integrated radio frequency (rf) devices, leveraging its inherent non-reciprocity and reconfigurability. However, the efficiency of spin-wave transducers driven by rf-currents remains a major challenge.…

Applied Physics · Physics 2025-07-25 Felix Kohl , Björn Heinz , Ádám Papp , Róbert Erdélyi , Györgi Csaba , Philipp Pirro

We present a method to measure the magnetic properties of monolayers and ultra-thin films of magnetic material. The method is based on low energy muon spin rotation and $\beta$-detected nuclear magnetic resonance measurements. A spin probe…

Mesoscale and Nanoscale Physics · Physics 2012-06-07 Z. Salman , S. J. Blundell

Spin waves, the fundamental excitations in magnetic materials, are promising candidates for realizing low-dissipation information processing in spintronics. The ability to visualize and manipulate coherent spin-wave transport is crucial for…

Mesoscale and Nanoscale Physics · Physics 2024-05-06 Carolina Lüthi , Lukas Colombo , Franz Vilsmeier , Christian Back

We investigate spin-wave transport in hybrid two-dimensional magnonic crystals comprising a low-damping yttrium iron garnet (YIG) film coupled to a periodic array of CoFeB nanodisks. Using propagating spin-wave spectroscopy, super-Nyquist…

Motivated by recent experiments on thin films of the ferromagnetic insulator yttrium-iron garnet (YIG), we have developed an efficient microscopic approach to calculate the spin-wave spectra of these systems. We model the experimentally…

Materials Science · Physics 2009-10-01 Andreas Kreisel , Francesca Sauli , Lorenz Bartosch , Peter Kopietz

Recently, canted antiferromagnets offer great potential for fundamental research and applications due to their unique properties. The presence of the Dzyaloshinskii-Moriya interaction leads to the existence of a weak ferromagnetic moment at…

Ferromagnetic resonance in conducting magnetic bilayers was studied using microstrip transducers. It was found that excitation or suppression of standing spin waves could be achieved through enhanced inhomogeneity of eddy currents in the…

Materials Science · Physics 2009-09-01 M. Kostylev , K. J. Kennewell , R. Magaraggia , R. L. Stamps , M. Ali , B. J. Hickey

The biaxial magnetic-field setup for angular magnetic measurements of thin film and spintronic devices is designed and presented. The setup allows for application of the in-plane magnetic field using a quadrupole electromagnet, controlled…

Applied Physics · Physics 2019-03-22 Piotr Rzeszut , Witold Skowroński , Sławomir Ziętek , Piotr Ogrodnik , Tomasz Stobiecki

Magnetic media with artificial periodic modulation-magnonic crystals (MCs) - enable tunable spin-wave dynamics and band structure engineering. Nanoscaling enhances these capabilities, making magnonic nanocrystals promising for both…

We report the use of optically addressable spin qubits in SiC to probe the magnetic stray fields generated by a ferromagnetic microstructure lithographically patterned on the surface of a SiC crystal. The stray fields cause shifts in the…

We report magnon spin transport in nickel ferrite (NiFe$_2$O$_4$, NFO)/ platinum (Pt) bilayer systems at room temperature. A nonlocal geometry is employed, where the magnons are excited by the spin Hall effect or by the Joule heating…

Materials Science · Physics 2017-04-14 J. Shan , P. Bougiatioti , L. Liang , G. Reiss , T. Kuschel , B. J. van Wees

We report the optical detection of magnons with a broad range of wavevectors in magnetic insulator Y3Fe5O12 thin films by proximate nitrogen-vacancy (NV) single-spin sensors. Through multi-magnon scattering processes, the excited magnons…

Mesoscale and Nanoscale Physics · Physics 2020-04-24 Eric Lee-Wong , Ruolan Xue , Feiyang Ye , Andreas Kreisel , Toeno van der Sar , Amir Yacoby , Chunhui Rita Du

We investigated the magnetization dynamics of a patterned Co$_{25}$Fe$_{75}$-based heterostructure with a novel optical measurement technique that we call microfocused frequency-resolved magneto optic Kerr effect ($\mu$FR-MOKE). We measured…

Mesoscale and Nanoscale Physics · Physics 2019-06-25 Lukas Liensberger , Luis Flacke , David Rogerson , Matthias Althammer , Rudolf Gross , Mathias Weiler

Magnonics is seen nowadays as a candidate technology for energy-efficient data processing in classical and quantum systems. Pronounced nonlinearity, anisotropy of dispersion relations and phase degree of freedom of spin waves require…

Spin-waves have been studied for data storage, communication and logic circuits in the field of spintronics based on their potential to substitute electrons. Recent discovery of magnetism in two-dimensional (2D) systems such as monolayer…

The needs for sensitively and reliably probing magnetization dynamics have been increasing in various contexts such as studying novel hybrid magnonic systems, in which the spin dynamics strongly and coherently couple to other excitations,…