124 citations · 866 across the 39 of their papers we have counts for
9 papers · 1 filter
A frequency tunable low-noise YIG-GGG based oscillator with strong magneto-elastic coupling
Paolo Sgarro, Roman Ovcharov, Roman Khymyn +4
We present a frequency tunable magneto-acoustic oscillator (MAO) operating in low-phase-noise and complex dynamical regimes based on a single composite YIG-GGG resonator. The magne…
Optothermal control of spin Hall nano-oscillators
Shreyas Muralidhar, Afshin Houshang, Ademir Alemán +3
We investigate the impact of localized laser heating on the auto-oscillation properties of a 170 nm wide nano-constriction spin Hall nano-oscillators (SHNO) fabricated from a NiFe/…
A tunable magneto-acoustic oscillator with low phase noise
A. Litvinenko, R. Khymyn, V. Tyberkevych +3
A frequency-tunable low phase noise magneto-acoustic resonator is developed on the base of a parallel-plate straight-edge bilayer consisting of a yttrium-iron garnet (YIG) layer gr…
Memristive control of mutual SHNO synchronization for neuromorphic computing
Mohammad Zahedinejad, Himanshu Fulara, Roman Khymyn +5
Synchronization of large spin Hall nano-oscillators (SHNO) arrays is an appealing approach toward ultra-fast non-conventional computing based on nanoscale coupled oscillator networ…
Giant voltage control of spin Hall nano-oscillator damping
Himanshu Fulara, Mohammad Zahedinejad, Roman Khymyn +5
Spin Hall nano-oscillators (SHNOs) are emerging spintronic devices for microwave signal generation and oscillator based neuromorphic computing combining nano-scale footprint, fast…
Terahertz frequency spectrum analysis with a nanoscale antiferromagnetic tunnel junction
P. Yu. Artemchuk, O. R. Sulymenko, S. Louis +7
A method to perform spectrum analysis on low power signals between 0.1 and 10 THz is proposed. It utilizes a nanoscale antiferromagnetic tunnel junction (ATJ) that produces an osci…
Spin-Orbit-Torque Driven Propagating Spin Waves
Himanshu Fulara, Mohammad Zahedinejad, Roman Khymyn +4
Spin-orbit torque (SOT) can drive sustained spin wave (SW) auto-oscillations in a class of emerging microwave devices known as spin Hall nano-oscillators (SHNOs), which have highly…
Tuning spin torque nano-oscillator nonlinearity using He+ irradiation
Sheng Jiang, Roman Khymyn, Sunjae Chung +6
We use He irradiation to tune the nonlinearity, , of all-perpendicular spin-torque nano-oscillators (STNOs) using the He fluence-dependent perpendicular magnet…
Faster, farther, stronger: spin transfer torque driven high order propagating spin waves in nano-contact magnetic tunnel junctions
A. Houshang, R. Khymyn, M. Dvornik +6
Short wave-length exchange-dominated propagating spin waves will enable magnonic devices to operate at higher frequencies and higher data transmission rates.1 While GMR based magne…