378 citations · 1.2k across the 12 of their papers we have counts for
12 papers
Long spin coherence length and bulk-like spin-orbit torque in ferrimagnetic multilayers
Jiawei Yu, Do Bang, Rahul Mishra +14
Ferromagnetic spintronics has been a main focus as it offers non-volatile memory and logic applications through current-induced spin-transfer torques. Enabling wider applications o…
Recent advances in spin-orbit torques: Moving towards device applications
Rajagopalan Ramaswamy, Jong Min Lee, Kaiming Cai +1
The ability of spintronic devices to utilize an electric current for manipulating the magnetization has resulted in large-scale developments, such as, magnetic random access memori…
Field-free spin-orbit torque switching from geometrical domain wall pinning
Jong Min Lee, Kaiming Cai, Guang Yang +4
Spin-orbit torques, which utilize spin currents arising from the spin-orbit coupling, offer a novel method to electrically switch the magnetization with perpendicular anisotropy. H…
Observation of out-of-plane spin texture in a SrTiO3 (111) two-dimensional electron gas
Pan He, S. McKeown Walker, Steven S. -L. Zhang +9
We explore the second order bilinear magnetoelectric resistance (BMER) effect in the d-electron-based two-dimensional electron gas (2DEG) at the SrTiO3 (111) surface. We find an ev…
FMR-related phenomena in spintronic devices
Yi Wang, Rajagopalan Ramaswamy, Hyunsoo Yang
Spintronic devices, such as non-volatile magnetic random access memories and logic devices, have attracted considerable attention as potential candidates for future high efficient…
Efficient Charge-Spin Conversion and Magnetization Switching though Rashba Effect at Topological Insulator/Ag Interface
Shuyuan Shi, Aizhu Wang, Yi Wang +8
We report the observation of efficient charge-to-spin conversion in the three-dimensional topological insulator (TI) Bi2Se3 and Ag bilayer by the spin-torque ferromagnetic resonanc…
Oscillatory spin-orbit torque switching induced by field-like torques
Jong Min Lee, Jae Hyun Kwon, Rajagopalan Ramaswamy +7
Deterministic magnetization switching using spin-orbit torque (SOT) has recently emerged as an efficient means to electrically control the magnetic state of ultrathin magnets. The…
Room Temperature Giant Charge-to-Spin Conversion at SrTiO3/LaAlO3 Oxide Interface
Yi Wang, Rajagopalan Ramaswamy, M. Motapothula +5
Two-dimensional electron gas (2DEG) formed at the interface between SrTiO3 (STO) and LaAlO3 (LAO) insulating layer is supposed to possess strong Rashba spin-orbit coupling. To date…
Room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit torques
Yi Wang, Dapeng Zhu, Yang Wu +9
Topological insulators (TIs) with spin momentum locked topological surface states (TSS) are expected to exhibit a giant spin-orbit torque (SOT) in the TI/ferromagnet systems. To da…
Experimental study of extrinsic spin Hall effect in CuPt alloy
Rajagopalan Ramaswamy, Yi Wang, Mehrdad Elyasi +4
We have experimentally studied the effects on the spin Hall angle due to systematic addition of Pt into the light metal Cu. We perform spin torque ferromagnetic resonance measureme…
Interfacial Rashba magnetoresistance of two-dimensional electron gas at LaAlO/SrTiO interface
Kulothungasagaran Narayanapillai, Gyungchoon Go, Rajagopalan Ramaswamy +6
We report the angular dependence of magnetoresistance in two-dimensional electron gas at LaAlO/SrTiO interface. We find that this interfacial magnetoresistance exhibits a s…
Enhanced spin-orbit torque via modulation of spin current absorption
Xuepeng Qiu, William Legrand, Pan He +5
The magnitude of spin-orbit torque (SOT), exerted to a ferromagnet (FM) from an adjacent heavy metal (HM), strongly depends on the amount of spin currents absorbed in the FM. We ex…