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View article: Coherent Magnons with Giant Nonreciprocity at Nanoscale Wavelengths
Coherent Magnons with Giant Nonreciprocity at Nanoscale Wavelengths Open
Nonreciprocal wave propagation arises in systems with broken time-reversal symmetry and is key to the functionality of devices, such as isolators or circulators, in microwave, photonic, and acoustic applications. In magnetic systems, colle…
View article: Effects of the rf current and bias field direction on the transition from linear to non-linear gyrotropic dynamics in magnetic vortex structures
Effects of the rf current and bias field direction on the transition from linear to non-linear gyrotropic dynamics in magnetic vortex structures Open
We present a frequency-domain study of the dynamic behavior of a magnetic vortex core within a single Permalloy disk by means of electrical detection and micromagnetic simulations. When exciting the vortex core dynamics in a non-linear reg…
View article: Helium Ion Microscopy for Reduced Spin Orbit Torque Switching Currents
Helium Ion Microscopy for Reduced Spin Orbit Torque Switching Currents Open
Spin orbit torque driven switching is a favorable way to manipulate nanoscale magnetic objects for both memory and wireless communication devices. The critical current required to switch from one magnetic state to another depends on the ge…
View article: Tunable\nMagnetic Vortex Dynamics in Ion-Implanted\nPermalloy Disks
Tunable\nMagnetic Vortex Dynamics in Ion-Implanted\nPermalloy Disks Open
Nanoscale,\nlow-phase-noise, tunable transmitter–receiver\nlinks are key for enabling the progress of wireless communication.\nWe demonstrate that vortex-based spin-torque nano-oscillators, which\nare intrinsically low-noise devices becaus…
View article: Magnetization dynamics in synthetic antiferromagnets: Role of dynamical energy and mutual spin pumping
Magnetization dynamics in synthetic antiferromagnets: Role of dynamical energy and mutual spin pumping Open
We investigate magnetization dynamics in asymmetric interlayer exchange\ncoupled Py/Ru/Py trilayers using both vector network analyzer-based and\nelectrically detected ferromagnetic resonance techniques. Two different\nferromagnetic resona…
View article: Ion-Irradiation-Induced Cobalt/Cobalt Oxide Heterostructures: Printing 3D Interfaces
Ion-Irradiation-Induced Cobalt/Cobalt Oxide Heterostructures: Printing 3D Interfaces Open
Interfaces separating ferromagnetic (FM) layers from non-ferromagnetic layers offer unique properties due to spin-orbit coupling and symmetry breaking, yielding effects such as exchange bias, perpendicular magnetic anisotropy, spin-pumping…
View article: Spin-transfer dynamics in MgO-based magnetic tunnel junctions with an out-of-plane magnetized free layer and an in-plane polarizer
Spin-transfer dynamics in MgO-based magnetic tunnel junctions with an out-of-plane magnetized free layer and an in-plane polarizer Open
Here, we present an analytical and numerical model describing the magnetization dynamics in MgO-based spin-torque nano-oscillators with an in-plane magnetized polarizer and an out-of-plane free layer. We introduce the spin-transfer torque …
View article: Magnetization dynamics and mutual spin-pumping in SAFs
Magnetization dynamics and mutual spin-pumping in SAFs Open
Primary data related to the publication in PRB: Article Link. Pre-release version is available at: Arxiv, ResearchGate. Some of the file are auxiliary or analisys files for faster display of the main results (like .opj, .ods files). Main r…
View article: Opportunities and challenges for spintronics in the microelectronic industry
Opportunities and challenges for spintronics in the microelectronic industry Open
Spin-based electronics has evolved into a major field of research that broadly encompasses different classes of materials, magnetic systems, and devices. This review describes recent advances in spintronics that have the potential to impac…
View article: Effect of insertion layer on electrode properties in magnetic tunnel junctions with a zero-moment half-metal
Effect of insertion layer on electrode properties in magnetic tunnel junctions with a zero-moment half-metal Open
Due to its negligible spontaneous magnetization, high spin polarization and giant perpendicular magnetic anisotropy, Mn 2 Ru x Ga (MRG) is an ideal candidate as an oscillating layer in THz spin-transfer-torque nano-oscillators. Here, the e…
View article: Selective THz control of magnetic order: new opportunities from superradiant undulator sources
Selective THz control of magnetic order: new opportunities from superradiant undulator sources Open
Recent advancements of accelerator technology enable the generation of carrier-envelope-phase stable THz pulses with high fields at adjustable high repetition rates. The appropriate choice of THz radiator allows generation of narrow-band, …
View article: Narrow-band tunable terahertz emission from ferrimagnetic Mn3-xGa thin films
Narrow-band tunable terahertz emission from ferrimagnetic Mn3-xGa thin films Open
Narrow-band terahertz emission from coherently excited spin precession in metallic ferrimagnetic Mn3-xGa Heusler alloy nanofilms has been observed. The efficiency of the emission, per nanometer film thickness, is comparable or higher than …
View article: Evolution of the interfacial magnetic anisotropy in MgO/CoFeB/Ta/Ru based multilayers as a function of annealing temperature
Evolution of the interfacial magnetic anisotropy in MgO/CoFeB/Ta/Ru based multilayers as a function of annealing temperature Open
We report the effect of annealing temperature on the dynamic and static magnetic properties of MgO/CoFeB/Ta/Ru multilayers. Angular resolved ferromagnetic resonance measurement results show that the as-deposited film exhibits in-plane magn…
View article: Tunnelling magnetoresistance of the half-metallic compensated ferrimagnet Mn2Ru<i>x</i>Ga
Tunnelling magnetoresistance of the half-metallic compensated ferrimagnet Mn2Ru<i>x</i>Ga Open
Tunnel magnetoresistance ratios of up to 40% are measured between 10 K and 300 K when the highly spin-polarized compensated ferrimagnet, Mn2RuxGa, is integrated into MgO-based perpendicular magnetic tunnel junctions. Temperature and bias d…