Synchronized, periodic, and chaotic dynamics in spin torque oscillator with two free layers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.03.090
Abstract: Abstract A phase diagram of the magnetization dynamics is studied by numerically solving the Landau-Lifshitz-Gilbert (LLG) equation in a spin torque oscillator consisting of asymmetric two free layers that are magnetized in in-plane direction. We… read more here.
Keywords: chaotic dynamics; spin torque; two free; torque oscillator ... See more keywords
Tunneling magnetoresistance sensors with different coupled free layers
Sign Up to like & getrecommendations! Published in 2017 at "AIP Advances"
DOI: 10.1063/1.4977774
Abstract: Large differences of magnetic coercivity (HC), exchange coupling field (HE), and tunneling magnetoresistance ratio (TMR) in magnetic tunnel junctions with different coupled free layers are discussed. We demonstrate that the magnetization behavior of the free… read more here.
Keywords: coupled free; tunneling magnetoresistance; different coupled; magnetoresistance sensors ... See more keywords
Tunable storage states' transition in slotted ferromagnetic nanorings
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Physics"
DOI: 10.1063/1.4978966
Abstract: In magnetic random access memory, free layers are used to store data bits as “0” or “1.” For free layers with slotted nanoring structures, the magnetization configuration of counterclockwise vortex state can be defined as… read more here.
Keywords: state; transition; state transition; storage states ... See more keywords
Ion irradiation-induced easy-cone anisotropy in double-MgO free layers for perpendicular magnetic tunnel junctions
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5026854
Abstract: We have used the ferromagnetic resonance in the X-band (9.37 GHz) to investigate the effect of 400 keV Ar+ irradiation on the perpendicular magnetic anisotropy (PMA) and Gilbert damping parameter, α, of double-MgO free layers designed for… read more here.
Keywords: mgo; tunnel junctions; magnetic tunnel; perpendicular magnetic ... See more keywords