917 citations · 2.9k across the 13 of their papers we have counts for
13 papers
Gate tunable spin-orbit coupling and weak antilocalization effect in an epitaxial LaSrMnO thin film
Shao-Pin Chiu, Michihiko Yamanouchi, Tatsuro Oyamada +2
Epitaxial LaSrMnO (LSMO) films have been grown on SrTiO (001) substrates via pulsed laser deposition. In a 22-nm thick LSMO film with a low residual resisti…
Current-induced effective magnetic field in a half-metallic oxide La0.67Sr0.33MnO3
Michihiko Yamanouchi, Tatsuro Oyamada, Takayoshi Katase +1
We investigated current-induced effective magnetic field Heff in half-metallic oxide La0.67Sr0.33MnO3 (LSMO) films with various thicknesses by using the planar Hall effect. Applyin…
Anomalous temperature dependence of current induced torques in CoFeB|MgO heterostructures with Ta based underlayers
Junyeon Kim, Jaivardhan Sinha, Seiji Mitani +5
We have studied the underlayer thickness and temperature dependences of the current induced effective field in CoFeB|MgO heterostructures with Ta based underlayers. The underlayer…
Interface control of the magnetic chirality in CoFeB|MgO heterosctructures with heavy metal underlayers
Jacob Torrejon, Junyeon Kim, Jaivardhan Sinha +4
Recent advances in the understanding of spin orbital effects in ultrathin magnetic heterostructures have opened new paradigms to control magnetic moments electrically. The Dzyalosh…
Quantitative characterization of the spin orbit torque using harmonic Hall voltage measurements
Masamitsu Hayashi, Junyeon Kim, Michihiko Yamanouchi +1
Solid understanding of current induced torques is key to the development of current and voltage controlled magnetization dynamics in ultrathin magnetic heterostructures. To evaluat…
Interface control of the magnetic chirality in TaN|CoFeB|MgO heterosctructures
Jacob Torrejon, Junyeon Kim, Jaivardhan Sinha +4
Recent advances in the understanding of spin orbital effects in ultrathin magnetic heterostructures have opened new paradigms to control magnetic moments electrically. The Dzyalosh…
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…
CoFeB Thickness Dependence of Thermal Stability Factor in CoFeB/MgO Perpendicular Magnetic Tunnel Junctions
H. Sato, M. Yamanouchi, K. Miura +4
Thermal stability factor (delta) of recording layer was studied in perpendicular anisotropy CoFeB/MgO magnetic tunnel junctions (p-MTJs) with various CoFeB recording layer thicknes…
Layer thickness dependence of the current induced effective field vector in Ta|CoFeB|MgO
Junyeon Kim, Jaivardhan Sinha, Masamitsu Hayashi +5
The role of current induced effective magnetic field in ultrathin magnetic heterostructures is increasingly gaining interest since it can provide efficient ways of manipulating mag…
Domain structure in CoFeB thin films with perpendicular magnetic anisotropy
M. Yamanouchi, A. Jander, P. Dhagat +3
Domain structures in CoFeB-MgO thin films with a perpendicular easy magnetization axis were observed by magneto-optic Kerr-effect microscopy at various temperatures. The domain wal…
Current-induced magnetization switching in MgO barrier magnetic tunnel junctions with CoFeB based synthetic ferrimagnetic free layers
Jun Hayakawa, Shoji Ikeda, Katsuya Miura +12
We investigated the effect of using a synthetic ferrimagnetic (SyF) free layer in MgO-based magnetic tunnel junctions (MTJs) on current-induced magnetization switching (CIMS), part…
Velocity of domain-wall motion induced by electrical current in a ferromagnetic semiconductor (Ga,Mn)As
M. Yamanouchi, D. Chiba, F. Matsukura +2
Current-induced domain-wall motion with velocity spanning over five orders of magnitude up to 22 m/s has been observed by magneto-optical Kerr effect in (Ga,Mn)As with perpendicula…
Domain-wall resistance in ferromagnetic (Ga,Mn)As
D. Chiba, M. Yamanouchi, F. Matsukura +2
A series of microstructures designed to pin domain-walls (DWs) in (Ga,Mn)As with perpendicular magnetic anisotropy has been employed to determine extrinsic and intrinsic contributi…