Integrating magnons for quantum information

Z Jiang, J Lim, Y Li, W Pfaff, TH Lo, J Qian… - Applied Physics …, 2023 - pubs.aip.org
Magnons, the quanta of collective spin excitations in magnetically ordered materials, have
distinct properties that make them uniquely appealing for quantum information applications …

Simulating micromagnetism

RB Diba, ML Plumer, I Saika-Voivod - Advances in Physics: X, 2024 - Taylor & Francis
We present an introductory review of concepts behind micromagnetic simulations, in which
magnetic moments representing collections of atomic spins within a material evolve …

Spin Seebeck effect mediated reversal of vortex-Nernst effect in superconductor-ferromagnet bilayers

H Sharma, Z Wen, M Mizuguchi - Scientific Reports, 2023 - nature.com
We report on the observation of sign reversal of vortex-Nernst effect in epitaxial NbN/Fe
bilayers deposited on MgO (001) substrates. Strong coupling between vortex magnetisation …

Disentangling large extrinsic magnetic relaxation in epitaxial CrO2 films

Z Zhang, S Zhang, Y Liu, Y Qi, R Xiong, Z Lu - Journal of Alloys and …, 2024 - Elsevier
Half-metallic ferromagnets are promising in charge-based and magnon-based devices due
to their high spin polarization and low Gilbert damping. In this study, a significant anisotropy …

Secondary Nucleation and Unstable Roughening in Fe Layers Electrodeposited on Si

LC Benetti, SG Alves, VC Zoldan… - Crystal Growth & …, 2023 - ACS Publications
Thin iron films are interesting for fundamental studies and have applications in sensors,
actuators, magnetic memory, and spintronic devices. Here, the electrodeposition of thin iron …

Temperature dependence and capping and underlayer layers effect on the interfacial magnetic properties of Ir/Fe-or Pt/Fe-based systems

D Ourdani, N Challab, Y Roussigné, SM Chérif… - Physical Review B, 2024 - APS
Brillouin light scattering and microstrip line ferromagnetic resonance were used to study
perpendicular magnetic anisotropy (PMA), magnetic damping, and interfacial Dzyaloshinskii …

Vertically graded - alloys with low damping and a sizable spin-orbit torque

RE Maizel, S Wu, PP Balakrishnan, AJ Grutter… - Physical Review …, 2024 - APS
Energy-efficient spintronic devices require a large spin-orbit torque (SOT) and low damping
to excite magnetic precession. In conventional devices with heavy-metal/ferromagnet …

[HTML][HTML] Suppression of spin pumping at metal interfaces

Y Lim, B Nepal, DA Smith, S Wu, A Srivastava… - APL Materials, 2023 - pubs.aip.org
An electrically conductive metal typically transmits or absorbs a spin current. Here, we report
on evidence that interfacing two metal thin films can suppress spin transmission and …

[HTML][HTML] Absorption of transverse spin current in ferromagnetic NiCu: Dominance of bulk dephasing over spin-flip scattering

Y Lim, S Wu, DA Smith, C Klewe, P Shafer… - Applied Physics …, 2022 - pubs.aip.org
In ferromagnetic metals, transverse spin currents are thought to be absorbed via dephasing—
ie, destructive interference of spins precessing about the strong exchange field. Yet, due to …

Giant anisotropy of magnetic damping in an epitaxial Cr/Fe bilayer with the absence of magnetocrystalline anisotropy

THT Nguyen, J Park, JH Ha, S Lee, VQ Nguyen… - Physical Review …, 2024 - APS
Magnetic damping is one of the most important parameters governing the critical current
density for current-induced magnetization switching in spin-torque devices. The anisotropic …