_Xg / Paper List

2014

T. Sato, K. Yamada and Y. Nakatani,
"Switching of magnetic vortex core in a Pac-man disk using a single filed pulse",
Appl. Phys. Express 7, 033003 (2014).

2013

K.-J. Kim, R. Hiramatsu, T. Koyama, K. Ueda, Y. Yoshimura, D. Chiba, K. Kobayashi, Y. Nakatani, S. Fukami, M. Yamanouchi, H. Ohno, H. Kohno, G. Tatara and T. Ono,
"Two-barrier stability that allows low-power operation in current-induced domain-wall motion",
Nature Comm. 4, 2011 (2013).

T. Koyama, H. Hata, Kab-Jin Kim, T. Moriyama, H. Tanigawa, T. Suzuki, Y. Nakatani, D. Chiba, and T. Ono,
"Current-Induced Magnetic Domain Wall Motion in a Co/Ni Nanowire with Structural Inversion Asymmetry",
Appl. Phys. Express 6, 033001 (2013).

K. Nakano, K. Tanabe, R. Hiramatsu, D. Chiba, N. Ohshima, S. Kasai, T. Sato, Y. Nakatani, K. Sekiguchi, K. Kobayashi, and T. Ono,
"Real-time observation of electrical vortex core switching",
Appl. Phys. Lett. 102, 072405 (2013).

S. Kanai, Y. Nakatani, M. Yamanouchi, S. Ikeda, F. Matsukura, and H. Ohno,
"In-plane magnetic field dependence of electric field-induced magnetization switching",
Appl. Phys. Lett. 103, 072408 (2013).

K. Ueda, R. Hiramatsu, K.-J. Kim, D. Chiba, T. Moriyama, H. Tanigawa, E. Kariyada, T. Suzuki, Y. Nakatani, T. Ono,
"Temperature Dependence of Current Induced Magnetic Domain Wall Motion in a Multilayered Co/Ni Nanowire with MgO Cap",
APS March Meeting 58 (2013).

A. L. Gonzalez Oyarce, Y. Nakatani and C. H. W. Barnes,
"Static and dynamic behavior of 360 circ domain-wall in patterned thin films",
Phys. Rev. B 87, 214403 (2013).

2012

Y. Uesaka, H. Endo, Y. Suzuki, Y. Nakatani, N. Hayashi, H. Fukushima,
"Switching of a particle in inhomogeneous applied field",
J. Magn. Magn. Mat. 324, 1272-1276 (2012).

T. Koyama, K. Ueda, K.-J. Kim, Y. Yoshimura, D. Chiba, K. Yamada, J.-P. Jamet, A.Mougin, A. Thiaville, S. Mizukami, S. Fukami, N. Ishiwata, Y. Nakatani, H. Kohno, K. Kobayashi and T. Ono,
"Current-induced magnetic domain wall motion below intrinsic threshold triggered by Walker breakdown",
Nature Nanotech. 7, 635 (2012).

M.-Y. Im, P. Fischer, K. Yamada, T. Sato, S. Kasai, Y. Nakatani and T. Ono,
"Symmetry breaking in the formation of magnetic vortex states in a permalloy nanodisk",
Nature Comm. 3, 983 (2012).

K. Ueda, T. Koyama, R. Hiramatsu, D. Chiba, S. Fukami, H. Tanigawa, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, K. Kobayashi, and T. Ono,
"Temperature dependence of carrier spin polarization determined from current-induced domain wall motion in a Co/Ni nanowire",
Appl. Phys. Lett. 100, 202407 (2012).

Y. Yoshimura, T. Koyama, D. Chiba, Y. Nakatani, S. Fukami, M. Yamanouchi, H. Ohno, and T. Ono,
"Current-Induced Domain Wall Motion in Perpendicularly Magnetized Co/Ni Nanowire under In-Plane Magnetic Fields",
Appl. Phys. Express 5, 063001 (2012).

S. Kanai, M. Yamanouchi, S Ikeba, Y. Nakatani, F. Matsukura, and H. Ohno,
"Electoric fileld-induced magnetization reversal in a perpendicular-anisotrophy CoFeB-MgO magnetic tunnel junction",
Appl. Phys. Lett. 101, 122403 (2012).

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

Y. Uesaka, Y. Suzuki, O. Kitakami, Y. Nakatani, N. Hayashi, H. Fukushima,
"Switching time of a single spin in linearly varying field",
J. Appl. Phys. 111, 123907 (2012).

H. Fukuda, Y. Nakatani,
"Recording Density Limitation Explored by Head/Media Co-Optimization Using Genetic Algorithm and GPU-Accelerated LLG",
IEEE Trans. Magn. 48, 3895 (2012).

2011

Keisuke Yamada, Jean-Pierre Jamet, Yoshinobu Nakatani, Alexandra Mougin, Andre Thiaville, Teruo Ono, Jacques Ferre,
"Influence of Instabilities on High-Field Magnetic Domain Wall Velocity in (Co/Ni) Nanostrips",
Appl. Phys. Express 4, 113001 (2011).

K. Nakano, D. Chiba, N. Ohshima, S. Kasai, T. Sato, Y. Nakatani, K. Sekiguchi, K. Kobayashi, and T. Ono,
"All-electrical operation of magnetic vortex core memory cell",
Appl. Phys. Lett. 99, 262505 (2011).

T. Koyama, D. Chiba, K. Ueda, H. Tanigawa, S. Fukami, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
"Wire Width Dependence of Threshold Current Density for Domain Wall Motion in Co/Ni Nanowires",
IEEE Trans. Magn. 47, 3089-3091 (2011).

K. Kondou, R. Hiramatsu, T. Koyama, Y. Nakatani, D. Chiba, S. Fukami, N. Ishiwata, and T. Ono,
"Electrical Investigation of Notch Width Dependence of Domain Wall Structure in Co/Ni Nanowires",
Jpn. J. Appl. Phys. 50, 073002 (2011).

Y. Nakatani, and T. Ono,
"Effect of the Oersted field on a vortex core switching by pulse spin current",
Appl. Phys. Lett. 99, 122509 (2011).

M. Goto, H. Hata, A. Yamaguchi, Y. Nakatani, T. Yamaoka, Y. Nozaki, and H. Miyajima,
"Electric spectroscopy of vortex states and dynamics in magnetic disks",
Phys. Rev. B 84, 064406 (2011).

F. Fukushima, Y. Uesaka, Y. Nakatani, and N. Hayashi,
"Dependence of prefactor on the angle between an applied field and the easy axis for single-domain particles",
J. Magn. Magn. Mat. 323, 195 (2011).

S. Fukami, T. Suzuki, Y. Nakatani, N. Ishiwata, M. Yamanouch, S. Ikeda, N. Kasai, and H. Ohno,
"Current-induced domain wall motion in perpendicularly magnetized CoFeB nanowire",
Appl. Phys. Lett. 98, 082504, (2011).

T. Koyama, D. Chiba. K. Ueda, H. Tanigawa, S. Fukami, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
"Magnetic field insensitivity of magnetic domain wall velocity induced by electrical current in Co/Ni nanowire",
Appl. Phys. Lett. 98, 192509 (2011).

K. Ueda, T. Koyama, D. Chiba, K. Shimamura, H. Tanigawa, S. Fukami, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
"Current-Induced Magnetic Domain Wall Motion in Co/Ni Nanowire at Low Temperature",
Appl. Phys. Express 4, 063003, (2011).

T. Sato and Y. Nakatani,
"Fast Micromagnetic SImulation of Vortex Core Motion by GPU",
J. Magn. Soc. Jpn, 35, 163-170 (2011).

T. Koyama, D. Chiba, K. Ueda, K. Kondou, H. Tanigawa, S. Fukami, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, K. Kobayashi and T. Ono,
"Observation of the intrinsic pinning of a magnetic domain wall in a ferromagnetic nanowire",
Nature Mat. 10, 194 (2011).

F. Fukushima, Y. Uesaka, Y. Nakatani, and N. Hayashi,
"Dependence of prefactor on the angle between an applied field and the easy axis for single-domain particles",
J. Magn. Magn. Mat. 323, 195 (2011).

2010

D. Chiba, G. Yamada, T. Koyama, K. Ueda, H. Tanigawa, S. Fukami, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
"Control of Multiple Magnetic Domain Walls by Current in a Co/Ni Nano-Wire",
Appl. Phys. Express 3, 073004, (2010).

K. Yamada, S. Kasai, Y. Nakatani, K. Kobayashi, and T. Ono,
"Current-induced switching of magnetic vortex core in ferromagnetic elliptical disks",
Appl. Phys. Lett. 96, 192508 (2010).

D. Chiba, Y. Nakatani, F. Matsukura, and H. Ohno,
"Simulation of magnetization switching by electric-field manipulation of magnetic anisiotropy",
Appl. Phys. Lett. 96, 192506 (2010).

A. Yamaguchi, K. Motoi, H. Miyajima, T. Sato and Y. Nakatani,
"Nonlinear Vortex Motino Induced by the Simultaneous Application of RF and DC Currents in a Micron-Sized Fe19Ni81 Disk", IEEE Trans. Magn. 46, 1994 (2010).

2009

Y. Uesaka, H. Endo, Y. Nakatani, N. Hayashi, and H. Fukushima,
"Switching field and mechanism of flat and square particles",
J. Appl. Phys. 105, 07C126, (2009).

H. Tanigawa, T. Koyama, G. Yamada, D. Chiba, S. Kasai, S. Fukami, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, and T. Ono,
"Domain Wall Motion Induced by Electric Current in a Perpendicularly Magnetized Co/Ni Nano-Wire"
Appl. Phys. Express 2, 053002, (2009).

A. Yamaguchi, K. Motol, H. Miyajima, and Y. Nakatani,
"Magnetic field dependence of rectification radio frequency current flowing through a single layered ferromagnetic wire,"
J. Appl. Phys. 105, 07D301 (2009).

S. Fukumi, Y. Nakatani, T. Suzuki, K. Nagahara, N. Oshima, and N. Ishiwata,
"Relation between critical current of domain wall motion and wire dimension in perpendicularly magnetized Co/Ni nanowires",
Appl. Phys. Lett. 95, 232504 (2009).

2008

D. Chiba, M. Sawicki, Y. Nishitani, Y. Nakatani, F. Matsukura, and H. Ohno,
"Magnetization vector manipulation by electric fields",
Nature 455, 515-518 (2008).

S. Kasai, P. Fischer, Mi-Y. Im, K. Yamada, Y. Nakatani, K. Kobayashi,
H. Kohno, and T. Ono, "Probing the spin polarization of current by soft X-ray imaging of current-induced magnetic vortex dynamics",
Phys. Rev. Lett. 101, 237203 (2008).

H. Tanigawa, T. Koyama, M. Barkowiak, S. Kasai, K. Kobayashi,
T. Ono, and Y. Nakatani,"Dynamical Pinning of Domain Wall in a Magnetic Nanowire Induced by Walker Breakdown",
Phys. Rev. Lett. 101, 207203 (2008).

P. Warnicke, Y. Nakatani, S. Kasai, and T. Ono,
"Long-range vortex domain wall displacement induced by an alternating current: Micromagnetic simulations",
Phys. Rev. B 78, 012413 (2008).

Y. Nakatani, J. Shibata, G. Tatara, H. Kohno, A. Thiaville, and J. Miltat,
"Nucleation and dynamics of magnetic vortices under spin-polarized current",
Phys. Rev. B 77, 014439 (2008).

K. Yamada, S. Kasai, Y. Nakatani, K, Kobayashi, and T. Ono,
"Switching magnetic vortex core by a single nanosecond current pulse",
Appl. Phys. Lett. 93, 152502 (2008).

T. Koyama, G. Yamada, H. Tanigawa, S. Kasai, N. Ohshima, S. Fukami, N. Ishiwata, Y. Nakatani, and T. Ono,
"Control of Domain Wall Position by Electrical Current in Structured Co/Ni Wire with Perpendicular Magneitc Anisotropy",
Appl. Phys. Express 1, 101303, (2008).

A. Thiaville, and Y. Nakatani,
"Electrical recrification effect in single domain magnetic microstrips: A micromagnetics-based analysis",
J. Appl. Phys. 104, 093701 (2008).

H. Tomita, K. Konishi, T. Nozaki, H. Kubota, A. Fukushima, K. Yakushiji, S. Yuasa, Y. Nakatani, T. Shinjo, M. Shiraishi, and Y. Suzuki,
"Single-Shot Measurements of Spin-Transfer Switching in CoFeB/MgO/CoFe/B Magnetic Tunnel Junction",
Appl. Phys. Express 1, 061303, (2008).

K. Kondou, N. Ohshima, S. Kasai, Y. Nakatani and T. Ono,
"Single shot detection of the magnetic domain wall motion by using TMR effect",
Appl. Phys. Express 1, 061302, (2008).

T. Ono, and Y. Nakatani,
"Magnetic Domain Wall Oscillator",
Appl. Phys. Express 1, 061301, (2008).

2007

K. Yamada, S. Kasai, Y. Nakatani, K. Kobayashi, H. Kohno, A. Thiaville,
and T. Ono, "Electrical switching of vortex core in a magnetic disk",
Nature Mat. 6, 270 (2007).

S. Kasai, Y. Nakatani, K. Kobayashi, H. Kohno, and T. Ono,
"Current-Driven Resonant Excitation of Magnetic Vortices",
Phys. Rev. Lett. 97, 107204 (2006).

J. Shibata, Y. Nakatani, G. Tatara, H. Khono, and Y. Otani,
"Current-induced magnetic vortex motion by spin-transfer torque",
Phys. Rev. B 73, 020403(R) (2006).

A. Thiaville, Y. Nakatani, F. Piechon, J. Miltat, and T. Ono,
"Transient domain wall displacement under spin-polarized current pulses",
Eur. Phys. J. B, 60, 15-27 (2007).

A. Yamaguchi, H. Miyajima, T. Ono, Y. Suzuki, S. Yuasa, A. Tulapurkar,
and Y. Nakatani, "Rectification of radio frequency current in ferromagnetic nanowire",
Appl. Phys. Lett. 90, 182507 (2007).

H. Fukushima. Y. Uesaka, Y. Nakatani, and N. Hayashi,
"Switching times of a single-domain particle in a field inclined off the easy axis",
J. Appl. Phys. 101, 013901 (2007).

2006

H. Endo, Y. Uesaka, Y. Nakatani, N. Hayashi, and H. Fukushima,
"Formation of Magnetic Cluster in Perpendicular Thin Films",
IEEE Trans. Magn. 42, 2969 (2006).

Y. Uesaka, H. Endo, Y. Nakatani, N. Hayashi, and H. Fukushima,
"Switching Time of Single Magnetic Particle and Maximum Recording Frequency of Perpendicular Magnetic Recording",
IEEE Trans. Magn. 42, 1892 (2006).

G. Tatara, T. Takayama, H. Kohno, J. Shibata, Y. Nakatani, and H. Fukuyama,
"Threshold Current of Domain Wall Motion under Extrinsic Pining, beta-Term and Non-Adiabaticity",
J. Phy. Soc. Jpn. 75, 064708 (2006).

2005

A. Thiaville, Y. Nakatani, J. Miltat and Y. Suzuki,
"Micromagnetic understanding of current-driven domain wall motion in patterned nanowires",
Europhys. Lett. 69, 990 (2005).

H. Endo, Y. Uesaka, Y. Nakatani, N. Hayashi and H. Fukushima,
"Effect of grains size on cluster size",
J. Appl. Phys. 97, 10E312 (2005).

Y. Nakatani, A. Thiaville, and J. Miltat,
"Head-to head domain walls in soft nano-strips: a refined phase diagram",
J. Magn. Magn. Mat. 290, 750 (2005).

H. Fukushima, Y. Uesaka, Y. Nakatani, and N. Hayashi,
"Magnetization reversal below the stoner-wohlfarth field",
J. Magn. Magn. Mat. 290, 526 (2005).

2004

A. Thiaville, Y. Nakatani, J. Miltat, and N. Vernier,
"Domain wall motion by spin-polarized current: a micromagnetic study",
J. Appl. Phys. 95, 7049 (2004).

H. Fukushima, Y. Uesaka, Y. Nakatani and N. Hayashi,
"Effects of damping constant and gyromagnetic term on switching time of single-domain particle",
J. Magn. Magn. Mat. 272, 745 (2004).

H. Endo, Y. Uesaka, Y. Nakatani, N. Hayashi and H. Fukushima,
"Effects of exchange interaction and grain size distribution on cluster size in perpendicular media",
J. Magn. Magn. Mat. 272, 711 (2004).

2003

Y. Nakatani, A. Thiaville, and J. Miltat,
"Faster magnetic walls in rough wires",
Nature Mat. 2, 521 (2003).

H. Fukushima, Y. Nakatani, Y. Uesaka, and N. Hayashi,
"Influence of gyromagnetic term and temperature on switching time of a single-domain particle",
IEEE Trans. Magn. MAG-39, 2519 (2003).

H. Endo, Y. Uesaka, Y. Nakatani, N. Hayashi, and H. Fukushima,
"Computer simulations of magnetization switching of elongated magnetic particles with shape defects",
J. Appl. Phys. 93, 9865 (2003).

Y. Nakatani, N. Hayashi, Y. Uesaka, and H. Fukushima,
"Effect of anisotropy field of soft magnetic underlayer on read/write properties in perpendicular recording media",
J. Appl. Phys. 93, 7744 (2003).

M. Mochizuki, C. Ishikawa, H. Ide, K. Nakamoto, Y. Nakatani, and N. Hayashi,
"Remanent head field study of single pole-type head based on micromagnetics",
J. Appl. Phys. 93, 6748 (2003).

N. Hayashi, Y. Nakatani, and Y. Uesaka,
"Accuracy of the Backward-Difference Solution of the Landau-Lifshitz-GIlbert Equation",
Jpn. J. Appl. Phys. 42, 1250 (2003).