Publications

2017

Current induced generation and synchronous motion of highly packed coupled chiral domain walls
R. P. del Real, V. Raposo, E. Martinez, M. Hayashi
Nano Lett. 17, 1814 (2017)

Electric field modulation of the non-linear areal magnetic anisotropy energy
Y.-C. Lau, P. Sheng, S. Mitani, D. Chiba, M. Hayashi
Appl. Phys. Lett. 110, 022405 (2017)


2016

Tunable inertia of chiral magnetic domain walls
J. Torrejon, E. Martinez & M. Hayashi
Nature Comm. 7, 13533 (2016). [OPEN ACCESS]

Giant nonreciprocal emission of spin waves in Ta/Py bilayers
J. Kwon, J. Yoon, P. Deorani, J. M. Lee, J. Sinha, K.-J. Lee, M. Hayashi, H. Yang
Science Adv. 2, e1501892 (2016). [OPEN ACCESS]

Spin–Orbit Effects in CoFeB/MgO Heterostructures with Heavy Metal Underlayers
J. Torrejon, J. Kim, J. Sinha, M. Hayashi
SPIN 06, 1640002 (2016). [OPEN ACCESS]

Direct measurement of interfacial Dzyaloshinskii-Moriya interaction in X|CoFeB∣∣MgO heterostructures with a scanning NV magnetometer (X=Ta,TaN, and W).
I. Gross, L. J. Martínez, J.-P. Tetienne, T. Hingant, J.-F. Roch, K. Garcia, R. Soucaille, J. P. Adam, J.-V. Kim, S. Rohart, A. Thiaville, J. Torrejon, M. Hayashi, and V. Jacques
Phys. Rev. B 94, 064413 (2016).

Probing the Dzyaloshinskii-Moriya interaction in CoFeB ultrathin films using domain wall creep and Brillouin light spectroscopy.
R. Soucaille, M. Belmeguenai, J. Torrejon, J.-V. Kim, T. Devolder, Y. Roussigné, S.-M. Chérif, A. A. Stashkevich, M. Hayashi, J.-P. Adam.
Phys. Rev. B 94, 104431 (2016).

Electric field control of Skyrmions in magnetic nanodisks
Y Nakatani, M Hayashi, S Kanai, S Fukami, H Ohno
Appl. Phys. Lett. 108, 152403 (2016).

Spin Hall Magnetoresistance in Metallic Bilayers.
J. Kim, P. Sheng, S. Takahashi, S. Mitani, and M. Hayashi.
Phys. Rev. Lett. 116, 097201 (2016).


2015

Correlation between the spin Hall angle and the structural phases of early 5d transition metals.
J. Liu, T. Ohkubo, S. Mitani, K. Hono, and M. Hayashi.
Appl. Phys. Lett. 107, 232408 (2015).

Enhanced orbital magnetic moments in magnetic heterostructures with interface perpendicular magnetic anisotropy.
T. Ueno, J. Sinha, N. Inami, Y. Takeichi, S. Mitani, K. Ono, and M. Hayashi.
Scientific Reports 5, 14858 (2015).

Critical current destabilizing perpendicular magnetization by the spin Hall effect.
T. Taniguchi, S. Mitani, and M. Hayashi.
Phys. Rev. B 92, 024428 (2015).

Influence of tantalum underlayer on magnetization dynamics in Ni81Fe19 filmsJ.
H. Kwon, P. Deorani, J. Yoon, M. Hayashi, and H. Yang
Appl. Phys. Lett. 107, 022401 (2016).

Current-driven asymmetric magnetization switching in perpendicularly magnetized CoFeB/MgO heterostructures.
J. Torrejon, F. Garcia-Sanchez, T. Taniguchi, J. Sinha, S. Mitani, J.-V. Kim, and M. Hayashi.
Phys. Rev. B 91, 214434 (2015).

Influence of Boron Diffusion on the Perpendicular Magnetic Anisotropy in Ta|CoFeB|Mgo Ultrathin Films.
J. Sinha, M. Grube, M. Kodzuka, T. Ohkubo, S. Mitani, K. Hono, and M. Hayashi.
J. Appl. Phys. 117, 043913 (2015).


2014

Interface control of the magnetic chirality in CoFeB|MgO heterosctructures with heavy metal underlayers. J. Torrejon, J. Kim, J. Sinha, S. Mitani, M. Hayashi, M. Yamanouchi, and H. Ohno.
Nature Comm. 8, 4655 (2014).

Linewidth Variation of the Higher Harmonics in Spin-Torque Vortex Oscillators.
J. Sinha, and M. Hayashi.
IEEE Magn. Lett. 5, 3000204 (2014).

Current-driven gyrotropic mode of a magnetic vortex as a nonisochronous auto-oscillator
F. Sanches, V. Tiberkevich, K. Y. Guslienko, J. Sinha, M. Hayashi, O. Prokopenko, A. N. Slavin
Phys. Rev. B 89, 140410(R) (2014).

Anomalous temperature dependence of current-induced torques in CoFeB/MgO heterostructures with Ta-based underlayers.
J. Kim, J. Sinha, S. Mitani, M. Hayashi, S. Takahashi, S. Maekawa, M. Yamanouchi, and H. Ohno.
Phys. Rev. B 89, 174424 (2014).

Quantitative characterization of the spin orbit torque using harmonic Hall voltage measurements.
M. Hayashi, J. Kim, M. Yamanouchi, and H. Ohno.
Phys. Rev. B 89, 144425 (2014).


2013

Three terminal magnetic tunnel junction utilizing the spin Hall effect of iridium-doped copper.
M. Yamanouchi, L. Chen, J. Kim, M. Hayashi, H. Sato, S. Fukami, S. Ikeda, F. Matsukura, H. Ohno
Appl. Phys. Lett. 102, 212408 (2013).

Characterization of magnetostatic surface spin waves in magnetic thin films: evaluation for microelectronic applications.
J. H. Kwon, S. S. Mukherjee, P. Deorani, M. Hayashi, H. Yang
Appl. Phys. A, 111, 369 (2013).

Spin polarization and Gilbert damping of Co 2 Fe (Ga x Ge 1− x) Heusler alloys.
BSD Ch S Varaprasad, A Srinivasan, YK Takahashi, M Hayashi, A Rajanikanth, K Hono
Acta Mater. 60, 6257 (2013).

Enhanced interface perpendicular magnetic anisotropy in Ta|CoFeB|MgO using nitrogen doped Ta underlayers.
J. Sinha, M. Hayashi, A. J. Kellock, S. Fukami, M. Yamanouchi, M. Sato, S. Ikeda, S. Mitani, S. H. Yang, S. S. P. Parkin, and H. Ohno.
Appl. Phys. Lett. 102, 242405 (2013).

Layer thickness dependence of the current induced effective field vector in Ta|CoFeB|MgO.
J. Kim, J. Sinha, M. Hayashi, M. Yamanouchi, S. Fukami, T. Suzuki, S. Mitani, and H. Ohno.
Nature Mater. 12, 240 (2013).


2012

Microwave assisted resonant domain wall nucleation in permalloy nanowires.
M. Hayashi, Y. K. Takahashi, and S. Mitani.
Appl. Phys. Lett., 101, 172406 (2012).

Interference-mediated modulation of spin waves.
S. S. Mukherjee, J. H. Kwon, M. Jamali, M. Hayashi, H. Yang
Phys. Rev. B 85, 224408 (2012).

Magnetic Tunnel Junctions with Perpendicular Anisotropy Using a Co2FeAl Full-Heusler Alloy.
Z. Wen, H. Sukegawa, S. Kasai, M. Hayashi, S. Mitani, K. Inomata
Appl. Phys. Express. 5, 063003 (2012).

Spatial control of magnetic anisotropy for current induced domain wall injection in perpendicularly magnetized CoFeB|MgO nanostructures.
M. Hayashi, M. Yamanouchi, S. Fukami, J. Sinha, S. Mitani, and H. Ohno.
Appl. Phys. Lett. 100, 192411 (2012).

Time-Domain Observation of the Spinmotive Force in Permalloy Nanowires.
M. Hayashi, J. i. Ieda, Y. Yamane, J.-i. Ohe, Y. K. Takahashi, S. Mitani, and S. Maekawa.
Phys. Rev. Lett. 108, 147202 (2012).

Domain wall dynamics driven by spin transfer torque and the spin-orbit field.
M. Hayashi, Y. Nakatani, S. Fukami, M. Yamanouchi, S. Mitani, and H. Ohno.
J. Phys.-Condes. Matter 24, 024221 (2012).


2011

Large amplitude microwave emission and reduced nonlinear phase noise in Co2Fe(Ge0.5Ga0.5) Heusler alloy based pseudo spin valve nanopillars.
J. Sinha, M. Hayashi, Y. K. Takahashi, T. Taniguchi, M. Drapeko, S. Mitani, and K. Hono.
Appl. Phys. Lett. 99, 162508 (2011).