597 citations · 2.3k across the 24 of their papers we have counts for
24 papers
Ferrimagnetic Heusler tunnel junctions with fast spin-transfer torque switching enabled by low magnetization
Chirag Garg, Panagiotis Ch. Filippou, Ikhtiar +10
Magnetic random access memory that uses magnetic tunnel junction memory cells is a high performance, non-volatile memory technology that goes beyond traditional charge-based memori…
Generation of out-of-plane polarized spin current by spin swapping
Binoy K. Hazra, Banabir Pal, Jae-Chun Jeon +9
The generation of spin currents and their application to the manipulation of magnetic states is fundamental to spintronics. Of particular interest are chiral antiferromagnets that…
Giant oscillatory Gilbert damping in superconductor/ferromagnet/superconductor junctions
Yunyan Yao, Ranran Cai, Tao Yu +6
Interfaces between materials with differently ordered phases present unique opportunities for exotic physical properties, especially the interplay between ferromagnetism and superc…
Half-integer Shapiro Steps in Strong Ferromagnetic Josephson Junctions
Yunyan Yao, Ranran Cai, See-Hun Yang +7
We report the experimental observation of half-integer Shapiro steps in the strong ferromagnetic Josephson junction (Nb-NiFe-Nb) by investigating the current-phase relation under r…
Determination of the spin Hall angle by the inverse spin Hall effect, device level ferromagnetic resonance, and spin torque ferromagnetic resonance: a comparison of methods
Ranen Ben-Shalom, Nirel Bernstein, See-Hun Yang +1
The spin torque ferromagnetic resonance (STFMR) is one of the popular methods for measurement of the spin Hall angle (SHA). However, in order to accurately determine SHA from STFMR…
Roadmap of spin-orbit torques
Qiming Shao, Peng Li, Luqiao Liu +16
Spin-orbit torque (SOT) is an emerging technology that enables the efficient manipulation of spintronic devices. The initial processes of interest in SOTs involved electric fields,…
Spintronics on Chiral Objects
See-Hun Yang
Chirality, handedness, is one of the most fundamental intriguing asymmetries in nature. By definition, chiral objects cannot be superimposed onto each other after mirror reflection…
Electric-Field Control of the Interlayer Exchange Coupling for Magnetization Switching
Shehrin Sayed, Cheng-Hsiang Hsu, Niklas Roschewsky +2
We propose an electric-field-controlled mechanism for magnetization switching assisted solely by the interlayer-exchange coupling (IEC) between the fixed and the free magnets, whic…
Nonlinear magnetization dynamics driven by strong terahertz fields
Matthias Hudl, Massimiliano d'Aquino, Matteo Pancaldi +7
We present a comprehensive experimental and numerical study of magnetization dynamics triggered in a thin metallic film by single-cycle terahertz pulses of MV/m electric f…
Classical limit of Rabi nutations in spins of ferromagnets
Amir Capua, Charles Rettner, See-Hun Yang +1
Rabi oscillations describe the interaction of a two-level system with a rotating electromagnetic field. As such, they serve as the principle method for manipulating quantum bits. B…
THz-driven ultrafast spin-lattice scattering in amorphous metallic ferromagnets
S. Bonetti, M. C. Hoffmann, M. -J. Sher +5
We use single-cycle THz fields and the femtosecond magneto-optical Kerr effect to respectively excite and probe the magnetization dynamics in two thin-film ferromagnets with differ…
Experimental Investigation of Temperature-Dependent Gilbert Damping in Permalloy Thin Films
Yuelei Zhao, Qi Song, See-Hun Yang +5
The Gilbert damping of ferromagnetic materials is arguably the most important but least understood phenomenological parameter that dictates real-time magnetization dynamics. Unders…
Facet-dependent giant spin orbit torque in single crystalline antiferromagnetic Ir-Mn / ferromagnetic permalloy bilayers
Weifeng Zhang, Wei Han, See-hun Yang +4
There has been considerable interest in spin-orbit torques for the purpose of manipulating the magnetization of ferromagnetic (FM) films or nano-elements for spintronic technologie…
Determination of intrinsic damping of perpendicularly magnetized ultrathin films from time resolved precessional magnetization measurements
Amir Capua, See-hun Yang, Timothy Phung +1
Magnetization dynamics are strongly influenced by damping. An effective damping constant αeff is often determined experimentally from the spectral linewidth of the free induction d…
Giant thermal spin torque assisted magnetic tunnel junction switching
Aakash Pushp, Timothy Phung, Charles Rettner +3
Spin-polarized charge-currents induce magnetic tunnel junction (MTJ) switching by virtue of spin-transfer-torque (STT). Recently, by taking advantage of the spin dependent thermoel…
Role of transparency of platinum-ferromagnet interface in determining intrinsic magnitude of spin Hall effect
Weifeng Zhang, Wei Han, Xin Jiang +2
The spin Hall effect (SHE) converts charge current to pure spin currents in orthogonal directions in materials that have significant spin-orbit coupling.The efficiency of the conve…
Domain wall trajectory determined by its fractional topological edge defects
Aakash Pushp, Timothy Phung, Charles Rettner +4
A domain wall (DW) in a ferromagnetic nanowire is composed of elementary topological bulk and edge defects with integer and fractional winding numbers, respectively, whose relative…
Spin injection and detection in lanthanum- and niobium-doped SrTiO3 using the Hanle technique
Wei Han, Xin Jiang, Adam Kajdos +3
There has been much interest in the injection and detection of spin polarized carriers in semiconductors for the purposes of developing novel spintronic devices. Here we report the…
Enhanced interface perpendicular magnetic anisotropy in Ta|CoFeB|MgO using nitrogen doped Ta underlayers
Jaivardhan Sinha, Masamitsu Hayashi, Andrew J. Kellock +8
We show that the magnetic characteristics of Ta|CoFeB|MgO magnetic heterostructures are strongly influenced by doping the Ta underlayer with nitrogen. In particular, the saturation…
The Kondo effect in magnetic impurities and ferromagnetic contacts
Hyunsoo Yang, See-Hun Yang, Grzegorz Ilnicki +2
Planar macroscopic magnetic tunnel junctions exhibit well defined zero bias anomalies when a thin layer of ferromagnetic CoFe(B) nanodots is inserted within a MgO based tunnel barr…
Negative tunneling magnetoresistance by canted magnetization in MgO/NiO tunnel barriers
Hyunsoo Yang, See-Hun Yang, Dong-Chen Qi +6
The influence of insertion of an ultra-thin NiO layer between the MgO barrier and ferromagnetic electrode in magnetic tunnel junctions has been investigated by measuring the tunnel…
Extremely long quasiparticle spin lifetimes in superconducting aluminium using MgO tunnel spin injectors
Hyunsoo Yang, See-Hun Yang, Saburo Takahashi +2
There has been an intense search in recent years for long-lived spin-polarized carriers for spintronic and quantum-computing devices. Here we report that spin polarized quasi-parti…
Crossover from Kondo assisted suppression to co-tunneling enhancement of tunneling magnetoresistance via ferromagnetic nanodots in MgO tunnel barriers
Hyunsoo Yang, See-Hun Yang, Stuart Parkin
Recently, it has been shown that magnetic tunnel junctions with thin MgO tunnel barriers exhibit extraordinarily high tunneling magnetoresistance (TMR) values at room temperature1,…
High-resolution Ce 3d-edge resonant photoemission study of CeNi_2
See-Hun Yang, S. -J. Oh, Hyeong-Do Kim +7
Resonant photoemission (RPES) at the Ce 3d -> 4f threshold has been performed for alpha-like compound CeNi_2 with extremely high energy resolution (full width at half maximum < 0.2…