English
Related papers

Related papers: Spin-wave eigenmodes in direct-write 3D nanovolcan…

200 papers

We investigate the microwave magnetic field confinement in several microwave 3D-cavities, using 3D finite-element analysis to determine the best design and achieve strong coupling between microwave resonant cavity photons and solid state…

Quantum Physics · Physics 2016-11-03 J-M. Le Floch , N. Delhote , M. Aubourg , V. Madrangeas , D. Cros , S. Castelletto , M. E. Tobar

1D spin-wave conduits are envisioned as nanoscale components of magnonics-based logic and computing schemes for future generation electronics. `A-la-carte methods of versatile control of the local magnetization dynamics in such nanochannels…

We present a joint experimental and theoretical study of parametric resonance of spin wave eigenmodes in Ni$_{80}$Fe$_{20}$/Pt bilayer nanowires. Using electrically detected magnetic resonance, we measure the spectrum of spin wave…

Mesoscale and Nanoscale Physics · Physics 2022-10-19 Liu Yang , Alejandro A. Jara , Zheng Duan , Andrew Smith , Brian Youngblood , Rodrigo E. Arias , Ilya N. Krivorotov

We use spin torque ferromagnetic resonance to measure the spectral properties of dipole-exchange spin waves in permalloy nanowires. Our measurements reveal that geometric confinement has a profound effect on the damping of spin waves in the…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Carl Boone , Jordan Katine , Jeff Childress , Vasil Tiberkevich , Andrei Slavin , Jian Zhu , Xiao Cheng , Ilya Krivorotov

Antiferromagnets hosting real-space topological spin textures are promising platforms to model fundamental ultrafast phenomena and explore spintronics. However, to date, they have only been fabricated epitaxially on specific…

Recent studies have revealed that domain walls in magnetic nanostructures can serve as compact, energy-efficient spin-wave waveguides for building magnonic devices that are considered promising candidates for overcoming the challenges and…

Mesoscale and Nanoscale Physics · Physics 2017-05-31 Xiangjun Xing , Philip W. T. Pong , J. Åkerman , Yan Zhou

Building nanotechnological analogues of naturally occurring magnetic structures has proven to be a powerful approach to studying topics like geometry-induced magnetic frustration and to provide model systems for statistical physics.…

Three-dimensional magnetic nanostructures are an emerging platform capable of creating complex topological magnetic fields. The control of localized nanoscale magnetic fields is seen to be of importance for diverse areas from…

Mesoscale and Nanoscale Physics · Physics 2024-10-31 John Fullerton , Charudatta Phatak

Using finite element micromagnetic simulations, we study how resonant magnetisation dynamics in thin magnetic discs with perpendicular anisotropy are influenced by magnetostatic coupling to a magnetic nanoparticle. We identify resonant…

Mesoscale and Nanoscale Physics · Physics 2016-10-12 Maximilian Albert , Marijan Beg , Dmitri Chernyshenko , Marc-Antonio Bisotti , Rebecca L. Carey , Hans Fangohr , Peter J. Metaxas

We report experimental and analytical work on spin-transfer torque induced vortex dynamics in metallic nanopillars with in-plane magnetized layers. We study nanopillars with a diameter of 150 nm, containing two Fe layers with a thickness of…

Mesoscale and Nanoscale Physics · Physics 2011-09-14 Volker Sluka , Attila Kakay , Alina M. Deac , Daniel E. Bürgler , Riccardo Hertel , Claus M. Schneider

Two dimensional (2D) magnets have emerged as a compelling platform for spin based nanoelectronics, enabling atomic scale control of magnetic order, interfaces, quantum geometry, and symmetry. Here, we highlight recent advances in 2D…

Mesoscale and Nanoscale Physics · Physics 2026-03-02 Bing Zhao , Roselle Ngaloy , Lalit Pandey , Himanshu Bangar , Divya P. Dubey , Saroj P. Dash

We present an experimental study of vortex dynamics in magnetic nanocontacts based on pseudo spin valves comprising the Co$_2$MnGe Heusler compound. The films were grown by molecular beam epitaxy, where precise stoichiometry control and…

One recent breakthrough in the field of magnonics is the experimental realization of reconfigurable spin-wave nanochannels formed by magnetic domain wall with a width of $10-100$ nm [Wagner \emph{et al}., Nat. Nano. \textbf{11}, 432…

Mesoscale and Nanoscale Physics · Physics 2018-03-21 Beining Zhang , Zhenyu Wang , Yunshan Cao , Peng Yan , X. R. Wang

We present a detailed investigation of the magnetization dynamics in Co/Ag nanodots, which due to their size can support standing spin-wave (SSW) modes with complex spectral responses. To interpret the experimentally measured broadband…

We report an experimental study of spin wave modes in individual cylindrical nanowires, a textbook situation of confined spin waves in 3D nanomagnetism. We observe discrete modes of thermal spin waves with micro-Brillouin light scattering,…

Mesoscale and Nanoscale Physics · Physics 2025-08-22 Niklas Martin , Laura Álvaro-Gómez , Lucas Perez , André Thiaville , Jean-Paul Adam , Olivier Fruchart , Aurélien Masseboeuf

When materials are patterned in three dimensions, there exist opportunities to tailor and create functionalities associated with an increase in complexity, the breaking of symmetries, and the introduction of curvature and non-trivial…

Expanding nanomagnetism and spintronics into three dimensions (3D) offers great opportunities for both fundamental and technological studies. However, probing the influence of complex 3D geometries on magnetoelectrical phenomena poses…

We demonstrate the use of the magnetic-field-dependence of highly spatially confined, GHz-frequency ferromagnetic resonances in a ferromagnetic nanostructure for the detection of adsorbed magnetic nanoparticles. This is achieved in a large…

High-index dielectric nanostructures have recently become prominent forefront alternatives for manipulating light at the nanoscale. Their electric and magnetic resonances with intriguing characteristics endow them with a unique ability to…

Optics · Physics 2018-07-02 Yuanqing Yang , Vladimir A. Zenin , Sergey I. Bozhevolnyi

We demonstrate a technique that enables ferromagnetic resonance (FMR) measurements of the normal modes for magnetic excitations in individual nanoscale ferromagnets, smaller in volume by a factor of 1000 than can be probed by other methods.…

Materials Science · Physics 2009-11-11 J. C. Sankey , P. M. Braganca , A. G. F. Garcia , I. N. Krivorotov , R. A. Buhrman , D. C. Ralph