503 citations · 923 across the 25 of their papers we have counts for
25 papers
Demonstration of Electron-Mediated Voltage-Controlled Exchange Coupling in Perpendicular Magnetic Tunnel Junctions
Qi Jia, Yu-Chia Chen, Delin Zhang +8
Electron-mediated voltage control of exchange coupling (EM-VCEC) has been proposed as a mechanism for magnetization switching via modulation of spin-dependent electron reflection.…
Energy Efficient Stochastic Signal Manipulation in Superparamagnetic Tunnel Junctions via Voltage-Controlled Exchange Coupling
Qi Jia, Onri J. Benally, Brandon Zink +8
Superparamagnetic tunnel junctions (sMTJs) are emerging as promising components for stochastic units in neuromorphic computing, owing to their tunable random switching behavior. Co…
Observation and enhancement of room temperature bilinear magnetoelectric resistance in sputtered topological semimetal Pt3Sn
Yihong Fan, Zach Cresswell, Yifei Yang +7
Topological semimetal materials have become a research hotspot due to their intrinsic strong spin-orbit coupling which leads to large charge-to-spin conversion efficiency and novel…
Inverse orbital Hall effect and orbitronic terahertz emission observed in the materials with weak spin-orbit coupling
Ping Wang, Zheng Feng, Yuhe Yang +8
The Orbital Hall effect, which originates from materials with weak spin-orbit coupling, has attracted considerable interest for spin-orbitronic applications. Here, we demonstrate t…
Robust negative longitudinal magnetoresistance and spin-orbit torque in sputtered Pt3Sn topological semimetal
Delin Zhang, Wei Jiang, Hwanhui Yun +11
Contrary to topological insulators, topological semimetals possess a nontrivial chiral anomaly that leads to negative magnetoresistance and are hosts to both conductive bulk states…
Magnetization Dynamics in Synthetic Antiferromagnets with Perpendicular Magnetic Anisotropy
Dingbin Huang, Delin Zhang, Yun Kim +2
Understanding the rich physics of magnetization dynamics in perpendicular synthetic antiferromagnets (p-SAFs) is crucial for developing next-generation spintronic devices. In this…
Room temperature spin-orbit torque efficiency in sputtered low-temperature superconductor delta-TaN
Przemyslaw Wojciech Swatek, Xudong Hang, Yihong Fan +14
In the course of searching for promising topological materials for applications in future topological electronics, we evaluated spin-orbit torques (SOTs) in high-quality sputtered…
Element Doping Enhanced Charge-to-Spin Conversion Efficiency in Amorphous PtSn4 Dirac Semimetal
Jinming Liu, Yihong Fan, Delin Zhang +4
Topological semimetals (TSs) are promising candidates for low-power spin-orbit torque (SOT) devices due to their large charge-to-spin conversion efficiency. Here, we investigated t…
Anomalous temperature dependence of phonon pumping by ferromagnetic resonance in Co/Pd multilayers with perpendicular anisotropy
William K. Peria, De-Lin Zhang, Yihong Fan +2
We demonstrate the pumping of phonons by ferromagnetic resonance in a series of [Co(0.8 nm)/Pd(1.5 nm)] multilayers ( 6, 11, 15, and 20) with large magnetostriction and pe…
Thermal Contribution in the Electrical Switching Experiments with Heavy Metal / Antiferromagnet Structures
Peng Sheng, Zhengyang Zhao, Onri Jay Benally +2
We examine the thermal origin of the detected "saw-tooth" shaped Hall resistance (Rxy) signals in the spin-orbit torque switching experiment for antiferromagnetic MnN. Compared wit…
Determination of spin-orbit torques by thickness-dependent spin-orbit torque FMR measurement
Hongshi Li, Mahdi Jamali, Delin Zhang +2
Current induced spin-orbit torques (SOTs) in Fe/Pt bilayers have been investigated utilizing the spin-orbit torque ferromagnetic resonance (SOT-FMR) measurement. Characterization o…
Large field-like torque in amorphous Ru2Sn3 originated from the intrinsic spin Hall effect
Thomas J. Peterson, Mahendra DC, Yihong Fan +6
We investigated temperature dependent current driven spin-orbit torques in magnetron sputtered Ru2Sn3 (4 and 10 nm) /Co20Fe60B20 (5 nm) layered structures with in-plane magnetic an…
Spin pumping and large field-like torque at room temperature in sputtered amorphous WTe films
Fan Yihong, Li Hongshi, DC Mahendra +7
We studied the spin-to-charge and charge-to-spin conversion at room temperature in sputtered WTe2-x (x=0.8)(t)/Co20Fe60B20(6 nm) heterostructures. Spin pumping measurements were us…
Bidirectional switching assisted by interlayer exchange coupling in asymmetric magnetic tunnel junctions
D. J. P. de Sousa, P. M. Haney, D. L. Zhang +2
We study the combined effects of spin transfer torque, voltage modulation of interlayer exchange coupling and magnetic anisotropy on the switching behavior of perpendicular magneti…
Bipolar electric field switching of perpendicular magnetic tunnel junctions through voltage controlled exchange coupling
Delin Zhang, Mukund Bapna, Wei Jiang +10
Perpendicular magnetic tunnel junctions (p-MTJs) switched utilizing bipolar electric fields have extensive applications in energy-efficient memory and logic devices. Voltage-contro…
Ultra-high frequency magnetic resonance through strain-spin coupling in perpendicular magnetic multi-layers
Delin Zhang, Jie Zhu, Tao Qu +4
The interaction between strain and spin has received intensive attention in the scientific community due to its abundant physical phenomena and huge technological impact. Until now…
L10 Fe-Pd Synthetic Antiferromagnet through an fcc Ru Spacer Utilized for Perpendicular Magnetic Tunnel Junctions
De-Lin Zhang, Congli Sun, Yang Lv +5
Magnetic materials that possess large bulk perpendicular magnetic anisotropy (PMA) are essential for the development of magnetic tunnel junctions (MTJs) used in future spintronic m…
Optimization of Time-Resolved Magneto-optical Kerr Effect Signals for Magnetization Dynamics Measurements
Dustin M. Lattery, Delin Zhang, Jie Zhu +3
Recently magnetic storage and magnetic memory have shifted towards the use of magnetic thin films with perpendicular magnetic anisotropy (PMA). Understanding the magnetic damping i…
Low Gilbert Damping Constant in Perpendicularly Magnetized W/CoFeB/MgO Films with High Thermal Stability
Dustin M. Lattery, Delin Zhang, Jie Zhu +2
Perpendicular magnetic materials with low damping constant and high thermal stability have great potential for realizing high-density, non-volatile, and low-power consumption spint…
Room-temperature perpendicular magnetization switching through giant spin-orbit torque from sputtered BixSe(1-x) topological insulator material
Mahendra DC, Mahdi Jamali, Jun-Yang Chen +9
The spin-orbit torque (SOT) arising from materials with large spin-orbit coupling promises a path for ultra-low power and fast magnetic-based storage and computational devices. We…
Unidirectional spin Hall magnetoresistance in topological insulator/ferromagnetic layer heterostructures
Yang Lv, James Kally, Delin Zhang +4
The large spin orbit coupling in topological insulators results in helical spin-textured Dirac surface states that are attractive for topological spintronics. These states generate…
Giant Voltage Manipulation of MgO-based Magnetic Tunnel Junctions via Localized Anisotropic Strain: a Potential Pathway to Ultra-Energy-Efficient Memory Technology
Zhengyang Zhao, Mahdi Jamali, Noel D'Souza +4
Strain-mediated voltage control of magnetization in piezoelectric/ferromagnetic systems is a promising mechanism to implement energy-efficient spintronic memory devices. Here, we d…
First-principles study of the structural stability of Mn3Z (Z=Ga, Sn and Ge) Heusler compounds
Delin Zhang, Binghai Yan, Shu-Chun Wu +4
We investigate the structural stability and magnetic properties of cubic, tetragonal and hexagonal phases of Mn3Z (Z=Ga, Sn and Ge) Heusler compounds using first-principles density…
Topological surface states of Bi2Se3 with the coexistence of Se vacancies
Binghai Yan, Delin Zhang, Claudia Felser
Although topological surface states are known to be robust against non-magnetic surface perturbations, their band dispersions and spatial distributions are still sensitive to the s…