M. Ito, A. Yamaguchi, D. Oshima, T. Kato, M. Shima, K. Yamada:
Enhancement of spin-orbit torques by the change of uniaxial in-plane magnetic anisotropy in Py/Pt bilayers on a single crystal Y-Cut 128deg LiNbO₃ substrate
Appl. Phys. Lett., vol. 119, pp. 152407-1-6 (2021).

S. Iwata, T. Kato, D. Oshima:
Crystal Structure and Magnetic and Magneto-optical Properties of CoPt, MnPt₃, CrPt₃, MnAl and MnGa Films with Ordered Phase and Their Bit-patterned Media
J. Magn. Soc. Jpn., vol. 45, pp. 118-124 (2021).

J. Juharni, I. M. Yahya, E. Suharyadi, T. Kato, S. Iwata:
Microstructures, Absorption Spectra, and Magnetic Properties of Core-shell Fe3O4@Ag Nanoparticles for Enhancing Sensitivity of Surface Plasmon Resonance (SPR) Sensor
Intl. J. Nanoelectron. Mater., vol. 14, no. 3, pp. 209-218 (2021).

N. Kamiya, D. Oshima, S. Iwata, T. Kato:
Perpendicular Anisotropy and Damping of MBE-grown MgO-Fe/Au(001) and Au/Fe/Au(001) Trilayers
J. Magn. Soc. Jpn., vol. 45, pp. 96-100 (2021).

Y. Liu, Y. Hisamatsu, S. Sharmin, D. Oshima, S. Iwata, T. Kato, D. Sekiba, E. Kita, H. Yanagihara:
Topotactic crystal structure transformation from spinel ferrite to wustite in epitaxial Fe₃O₄ films via ion irradiation
J. Vac. Sci. Technol. A, vol. 39, pp. 033403-1-5 (2021).

E. Suharyadi, S. H. Pratiwi, I. P. T. Indrayana, T. Kato, S. Iwata:
Effects of annealing temperature on microstructural, vibrational energy and magnetic properties of Ni-Zn ferrite nanoparticles
Mat. Res. Express, vol. 8, pp. 036101-1-10 (2021).

Y. Miwa, D. Oshima, T. Kato, S. Iwata:
MnGa Film with (001) Texture Fabricated on Thermally Oxidized Si Substrate Using CoGa Buffer Layer
J. Magn. Soc. Jpn., vol. 44, no, 5, pp. 117-121 (2020).

Sh. Yamamoto, D. I. Gorbunov, H. Akai, H. Yasumura, Y. Kotani, T. Nakamura, T. Kato, N. V. Mushnikov, A. V. Andreev, H. Nojiri, J. Wosnitza:
Element- and orbital-selective magnetic coherent rotation at the first-order phase
Phys. Rev. B, vol. 101, pp. 174430-1-6 (2020).

R. A. N. Khasnaah, A. Herawati, L. Z. Maulana, E. A. Suyono, E. Suharyadi, I. Santoso, T. Kato, S. Iwata:
Spectroscopic Ellipsometry Based Biosensor on Gold Thin Film for Detection of Microalgae
Key Eng. Mater., vol. 840, pp. 412-417 (2020).

K. Kawakami, D. Oshima, T. Kato, S. Iwata:
Spin Orbit Torques in Ferrimagnetic GdFeCo with Various Compositions
Jpn. J. Appl. Phys., vol. 59, SEEF01-1-5 (2020).

D. Oshima, T. Kato, S. Iwata:
Highly (001) oriented MnAl film fabricated on CoGa buffer layer
AIP Adv., vol. 10, no. 2, 025012-1-6 (2020).

C. Jiang, D. Oshima, S. Iwata, P. W. T. Pong, T. Kato:
Patterned arrays of assembled nanoparticles prepared by interfacial assembly and femtosecond laser fabrication
J. Nanopart. Res., vol. 22, 1-1-12 (2020).

T. Kato, D. Oshima, S. Iwata:
Progress of efficient current-induced magnetization switching
Electr. Eng. Jpn., vol. 212, pp. 3-10 (2020).

W. Zhao, T. Kimura, T. Kato, D. Oshima, Y. Sonobe, S. Takahashi, S. Iwata:
Spin transfer torque switching of hybrid memory layers with low Curie temperature CoPd/Pd multilayers
J. Magn. Magn. Mat., vol. 493, pp. 165749-1-7 (2020).

T. Ishikawa, Y. Miwa, D. Oshima, T. Kato, S. Iwata:
MnGa (001) Textured Film Fabricated on Thermally Oxidized Si Substrate for Application to Ion Beam Bit Patterned Media
IEEE Trans. Magn., vol. 55, no. 7, pp. 3200104-1-4 (2019).

T. Kato, D. Oshima, S. Iwata:
Ion Irradiation for Planar Pattering of Magnetic Materials (Invited)
Crystals, vol. 9, pp. 27-1-13 (2019).

D. Oshima, T. Kato, S. Iwata:
Switching Field Distribution of MnGa Bit Patterned Film Fabricated by Ion Beam Irradiation
IEEE Trans. Magn., vol. 54, no. 2, pp. 3200207-1-7 (2018).

Y. Hashimoto, N. Yamamoto, T. Kato, D. Oshima, S. Iwata:
Spin-valve giant magneto-resistance film with magnetostrictive FeSiB amorphous layer and its application to strain sensors
J. Appl. Phys., vol. 123, pp. 113903-1-8 (2018).

J. Utomo, A. K. Agustina, E. Suharyadi, T. Kato, S. Iwata:
Effect of Co concentration on crystal structures and magnetic properties of Ni_1-xCo_xFe₂O₄ nanoparticles synthesized by co-precipitation method
Integrated Ferroelectrics, vol. 187, pp. 194-202 (2018).

T. Kimura, X. Dong, K. Adachi, D. Oshima, T. Kato, Y. Sonobe, S. Okamoto, N. Kikuchi, Y. Kawato, O. Kitakami, S. Iwata:
Spin transfer torque switching of Co/Pd multilayers and Gilbert damping of Co-based multilayers
Jpn. J. Appl. Phys., vol. 57, no. 9S2, 09TD01-1-5 (2018).

J. Yamakita, G. Lou, M. Nishikawa, T. Kato, S. Iwata, T. Ishibashi:
Magnetic properties in bismuth-substituted neodymium iron garnet thin films on GGG (100) substrates determined by FMR measurements
Jpn. J. Appl. Phys., vol. 57, no. 9S2, 09TC01-1-5 (2018).

S. Yamamoto, Y. Kubota, K. Yamamoto, Y. Takahashi, K. Maruyama, Y. Suzuki, R. Hobara, M. Fujisawa, D. Oshima, S. Owada, T. Togashi, K. Tono, M. Yabashi, Y. Hirata, S. Yamamoto, M. Kotsugi, H. Wadati, T. Kato, S. Iwata, S. Shin, I. Matsuda:
Femtosecond resonant magneto-optical Kerr effect measurement on an ultrathin magnetic film in a soft X-ray free electron laser
Jpn. J. Appl. Phys., vol. 57, no. 9S2, 09TD02-1-4 (2018).

R. Mandal, D. Ogawa, Y. Tamazawa, K. Ishioka, T. Shima, T. Kato, S. Iwata, Y. K. Takahashi, S. Hirosawa, K. Hono:
Time Domain Magnetization Dynamics Study to Estimate Interlayer Exchange Coupling Constant in Nd-Fe-B/Ni₈₀Fe₂₀ Films
J. Magn. Magn. Mat., vol. 468, pp. 273-278 (2018).

W. Zhao, X. Dong, T. Kimura, T. Kato, D. Oshima, Y. Sonobe, Y. Kawato, S. Iwata:
Hybrid memory layer with low Curie temperature CoPd/Pd multilayer for high-density magnetic random access memory cells
IEEE Trans. Magn., vol. 54, no. 11, 3401405-1-5 (2018).

Y. Otaki, T. Kato, S. Okamoto, N. Kikuchi, D. Oshima, S. Iwata, O. Kitakami:
Variation of Magnetization Dynamics of Co/Ni Multilayer by Capturing Magnetic Nanoparticles
IEEE Trans. Magn., vol. 54, no. 11, 6100804-1-4 (2018).

J. Widakdo, N. Istikhomah, A. Rifianto, E. Suharyadi, T. Kato, S. Iwata:
Crystal Structures and Magnetic Properties of Silica and Polyethylene Glycol (PEG-4000) Encapsulated Zn_0.5Ni_0.5Fe₂O₄ Magnetic Nanoparticles
J. Phys.: Conference Series, vol. 1101, pp. 012068-1-5 (2018).

G. Lou, T. Kato, S. Iwata, T. Ishibashi:
Magneto-optical properties and magnetic anisotropy of Nd_0.5Bi_2.5Fe_5-yGa_yO₁₂ thin films on glass substrates
Opt. Mat. Express, vol. 7, No. 7, pp. 2248-2259 (2017).

B. Dai, Y. Guo, J. Zhu, T. Kato, S. Iwata, S. Tsunashima, L. Yang, J. Han:
Spin transfer torque switching in exchangecoupled amorphous GdFeCo/TbFe bilayers for thermally assisted MRAM application
J. Phys. D: Appl. Phys., vol. 50, no. 13, 135005 (2017).

T. Nagata, Y. Tokuoka, T. Kato, D. Oshima, S. Iwata:
Structure and Magnetic Properties of (001) Oriented CoPt-Ag and CoPd-Ag Alloy Films
J. Magn. Soc. Jpn., vol. 40, no. 1, pp. 13-17 (2016).

E. Suharyadi, D. Oshima, T. Kato, S. Iwata:
Nanoscale patterning of CrPt₃ magnetic thin films by using ion beam irradiation
Results in Physics, vol. 6, pp. 186-188 (2016).

M. Sasaki, G. Lou, Q. Liu, M. Ninomiya, T. Kato, S. Iwata, T. Ishibashi:
Nd_0.5Bi_2.5Fe_5-yGa_yO₁₂ thin films on Gd₃Ga₅O₁₂ substrates prepared by metal-organic decomposition
Jpn. J. Appl. Phys., vol. 55, pp. 055501-1-7 (2016).

D. Oshima, M. Tanimoto, T. Kato, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima, S. Iwata:
Ion irradiation induced magnetic transition of MnGa alloy films studied by X-ray magnetic circular dichroism and low-temperature hysteresis loops
IEEE Trans. Magn., vol. 52, no. 7, pp. 3201804-1-4 (2016).

T. Kodama, S. Tomita, T. Kato, D. Oshima, S. Iwata, S. Okamoto, N. Kikuchi, O. Kitakami, N. Hosoito, H. Yanagi:
Ferromagnetic Resonance of a Single Magnetochiral Metamolecule of Permalloy
Phys. Rev. Appl., vol. 6, no. 2, 024016-1-9 (2016).

N. Roschewsky, T. Matsumura, S. Cheema, F. Hellman, T. Kato, S. Iwata, S. Salahuddin:
Spin-orbit torques in ferrimagnetic GdFeCo alloys
Appl. Phys. Lett., vol. 109, pp112403-1-4 (2016).

T. Higashide, B. Dai, T. Kato, D. Oshima, S. Iwata:
Effective Damping Constant and Current Induced Magnetization Switching of GdFeCo / TbFe Exchange-Coupled Bilayer
IEEE Magn. Lett., vol. 7, 3505605-1-5 (2016).

I. P. T. Indrayana, N. Siregar, E. Suharyadi, T. Kato, S. Iwata:
The calcination temperature dependence of microstructural, vibrational spectra and magnetic properties of nanocrystalline Mn_0.5Zn_0.5Fe₂O₄
J. Phys.: Conference Series, vol. 776, pp. 012021-1-7 (2016).

Sh. Yamamoto, M. Taguchi, T. Someya, Y. Kubota, S. Ito, H. Wadati, M. Fujisawa, F. Capotondi, E. Pedersoli, M. Manfredda, L. Raimondi, M. Kiskinova, J. Fujii, P. Moras, T. Tsuyama, T. Nakamura, T. Kato, T. Higashide, S. Iwata, S. Yamamoto, S. Shin, I. Matsuda:
Ultrafast spin-switching of a ferrimagnetic alloy at room temperature traced by resonant magneto-optical Kerr effect using a seeded free electron laser
Rev. Sci. Instrum., vol. 86, no. 8, 083901-1-5 (2015).

Y. Wakisaka, Y. Uemura, T. Yokoyama, H. Asakura, H. Morimoto, M. Tabuchi, D. Oshima, T. Kato, S. Iwata:
Anomalous structural behavior in the metamagnetic transition of FeRh thin films from a local viewpoint
Phys. Rev. B, vol. 92, 184408-1-7 (2015).

R. Fukuoka, H. Zhang, K. Makihara, Y. Tokuoka, T. Kato, S. Iwata, S. Miyazaki:
High Density Formation of FePt Alloy Nanodots Induced by Remote Hydrogen Plasma and Characterization of Their Magnetic Properties
Trans. Mat. Res. Soc. Jpn., vol. 40, pp. 347-350 (2015).

Y. Fujiwara, T. Kaneko, K. Hori, S Takase, H. Sato, K. Maeda, T. Kobayashi, T. Kato, S. Iwata, M. Jimbo:
Growth of FePt encapsulated carbon nanotubes by thermal chemical vapor deposition
J. Vac. Sci. Technol. A., vol. 32, pp. 02B114-1-5 (2014).

E. Suharyadi, T. Kato, S. Iwata:
Controlling the Magnetic Properties of Cr-Implanted Co/Pt
IEEE Trans. Magn., vol. 50, no. 1, pp. 3000104-1-4 (2014).

E. Suharyadi, E. A. Setiadi, N. Shabrina, T. Kato, S. Iwata:
Magnetic Properties and Microstructures of Polyethylene Glycol (PEG)- Coated Cobalt Ferrite (CoFe₂O₄) Nanoparticles Synthesized by Coprecipitation Method
Adv. Mat. Res., vol. 896, pp. 126-133 (2014).

Y. Tokuoka, Y. Seto, T. Kato, S. Iwata:
Effect of Ag addition to L1₀ FePt and L1₀ FePd films grown by molecular beam epitaxy
J. Appl. Phys., vol. 115, pp. 17B716-1-3 (2014).

E. Kita, Y. Liu, Y. Utsumi, J. Morishita, K. Suzuki, T.Kato, T. Niizeki, K. Mibu, H.Yanagihara:
Bit pattern formation of spinel ferromagnetic oxides by Kr ion implantation
J. Appl. Phys., vol. 115, pp. 17B907-1-3 (2014).

D. Oshima, M. Tanimoto, T. Kato, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima, S. Iwata:
Modifications of Structure and Magnetic Properties of L1₀ MnAl and MnGa Films by Kr⁺ Ion Irradiation
IEEE Trans. Magn., vol. 50, no. 12, pp. 3203407-1-7 (2014).

T. Kaneko, Y. Fujiwara, H. Sato, T. Kato, K. Maeda, S. Iwata, M. Jimbo, K. Hata, T. Kobayashi:
Magnetic property of FePt nanoparticles encaged in carbon nanotubes
Vacuum, vol. 87, pp. 187-190 (2013).

D. Oshima, T. Kato, S. Iwata, S. Tsunashima:
Control of magnetic properties of MnGa films by Kr⁺ ion irradiation for application to bit patterned media
IEEE Trans. Magn., vol. 49, no. 7, pp. 3608-3611 (2013).

B.Dai, T.Kato, S.Iwata, S.Tsunashima:
Pulse width and temperature dependences of critical current density of spin transfer torque switching amorphous GdFeCo for thermally assisted MRAM
IEEE Trans. Magn., vol. 49, no. 7, pp. 4359-4362 (2013).

D. Oshima, E. Suharyadi, T. Kato, S. Iwata:
Observation of bit boundary in ion irradiation planer patterned CrPt₃ using dark-field transmission electron microscope
J. Magn. Magn. Mat., vol. 324, pp. 1617-1621 (2012).

Q. Xu, R. Kanbara, T. Kato, S. Iwata, and S. Tsunashima:
Control of Magnetic Properties of MnBiCu Thin Films by Kr⁺ Ion Irradiation
J. Appl. Phys., vol. 111, 07B906-1-3 (2012).

T. Kato, Y. Matsumoto, S. Okamoto, N. Kikuchi, S. Iwata, O. Kitakami, S. Tsunashima:
Perpendicular anisotropy and Gilbert damping in sputtered Co/Pd multilayers
IEEE Trans. Magn., vol. 48, no. 11, pp. 3288-3291 (2012).

B.Dai, T.Kato, S.Iwata and S.Tsunashima:
Spin transfer torque switching of amorphous GdFeCo with perpendicular magnetic anisotropy for thermally assisted magnetic memories
IEEE Trans. Magn., vol. 48, no. 11, pp. 3223-3226 (2012).

Q. Xu，R. Kanbara，T. Kato，S. Iwata, and S. Tsunashima:
Bit patterned structure fabricated by Kr⁺ ion irradiation onto MnBiCu films
IEEE Trans. Magn., vol. 48, no. 11, pp. 3406-3409 (2012).

G. A. Wang, Y. Masuda, T. Kato, S. Iwata:
Influence of the free-layer domain structure on domain-wall displacing type field sensors
J. Appl. Phys., vol. 109, no. 7, 07E523-1-3 (2011).

E. Suharyadi, D. Oshima, T. Kato, S. Iwata:
Switching Field Distribution of Planar Patterned CrPt₃ Nanodots Fabricated by Ion Irradiation
J. Appl. Phys., vol. 109, no. 7, 07B771-1-3 (2011).

G. A. Wang, S. Arai, T. Kato, and S. Iwata:
Low-drift giant magnetoresistive field sensor using modulation of free-layer magnetization direction
J. Phys. D: Appl. Phys., vol. 44, no. 23, 235003-1-5 (2011).

T. Kato, Y. Matsumoto, S. Okamoto, N. Kikuchi, O. Kitakami, N. Nishizawa, S. Iwata:
Time resolved magnetization dynamics and damping constant of sputtered Co/Ni multilayers
IEEE Trans. Magn., vol. 47, no. 10, pp. 3036-3039 (2011).

K. Mohri, T. Uchiyama, M. Yamada, T. Watanabe, Y. Inden, T. Kato, and S. Iwata:
Arousal Effect of Physiological Magnetic Stimulation on Elder Person's Spine for Prevention of Drowsiness During Car Driving
IEEE Trans. Magn., vol. 47, no. 10, pp. 3066-3069 (2011)

H. Kato, T. Kobayashi, T. Kato, S. Tsunashima, and S. Iwata:
Local exchange anisotropy of microstructured CoFe / MnIr (001) bilayers
J. Phys.: Conference Series, vol. 200, no. 7, 072052-1-4 (2010).

R. Komiya, T. Kato, N. Nishizawa, S. Tsunashima, and S. Iwata:
Compositional dependence of g-factor and damping constant of (Gd_1-xRE_x)FeCo alloy films (RE = Yb, Tm, Er)
J. Phys.: Conference Series, vol. 200, no. 4, 042010-1-4 (2010).

S. Nakashima, S. Arai, T. Kato, S. Iwata, S. Tsunashima:
High-Sensitivity GMR Sensor Using Domain Wall Oscillation
J. Magn. Soc. Jpn., vol. 34, no. 2, pp. 115-118 (2010).

G. Wang, S. Nakashima, S. Arai, T. Kato, S. Iwata:
High Sensitivity GMR Magnetic Sensor Using Oscillatory Domain Wall Displacement
J. Appl. Phys., vol. 107, no. 9, pp. 09E709-1-3 (2010).

T. Kato, D. Oshima, Y. Yamauchi, S. Iwata, S. Tsunashima:
Fabrication of L1₂-CrPt₃ alloy films using rapid thermal annealing for planar bit patterned media
IEEE Trans. Magn., vol. 46, no. 6, pp. 1671-1674 (2010).

T. Kozawa, T. Kato, S. Iwata, S. Tsunashima:
Spin transfer switching and interlayer coupling in CPP-GMR structures with GdFeCo free layer
IEEJ Trans. Fundamentals and Materials., vol. 130, no. 7, pp. 631-635 (2010).

G. A. Wang, Y. Masuda, T. Kato, S. Iwata:
Design and performance of domain wall displacing-type field sensors using a magnetic tunnel junction and a giant magnetoresistive device
J. Phys. D: Appl. Phys., vol. 43, 455001-1-5 (2010).

T. Kato, Y. Yamauchi, S. Iwata, S. Tsunashima, K. Matsumoto, T. Morikawa, K. Ozaki:
Planar patterned media fabricated by ion irradiation into CrPt₃ ordered alloy films
J. Appl. Phys., vol. 105, 07C117-1-3 (2009).

L. You, T. Kato, S. Tsunashima, and S. Iwata:
Thermomagnetic writing on deep submicron patterned TbFe films by nanosecond current pulse
J. Magn. Magn. Mat., vol. 321, pp. 1015-1018 (2009).

T. Kato, S. Iwata, Y. Yamauchi, S. Iwata:
Modification of magnetic properties and structure of Kr⁺ ion-irradiated CrPt₃ films for planar bit patterned media
J. Appl. Phys., vol. 106, 053908-1-4 (2009).

R. Ikeda, M. Kagami, T. Kato, S. Iwata, and S. Tsunashima:
Perpendicular anisotropy and microstructure of MBE-grown FePt-Ag and FePt-MgO granular films
J. Magn. Soc. Jpn., vol. 33, No. 6-2, pp. 493-497 (2009).

K. Sato, Y. Fujiwara, T. Kato, M. Jimbo, T. Kobayashi:
Tunnel Magnetoresistance of CoFeAlSi-MgO Granular Films
J. Magn. Soc. Jpn., vol. 33, No. 6-2, pp. 455-458 (2009).

L. You, T. Kato, S. Tsunashima, S. Iwata:
Dynamic Heating in Micron- and Submicron-Patterned TbFe Films
Jpn. J. Appl. Phys., vol. 47, No. 1, pp. 146-149 (2008).

Y. Maeda, Y. Suzuki, Y. Sakashita, S. Iwata, T. Kato, S. Tsunashima, H. Toyoda, H. Sugai:
Effect of Sputtering Deposition Process on Magnetic Properties in Magnetic Multilayers
Jpn. J. Appl. Phys., vol. 47, No. 10, pp. 7879-7885 (2008).

T. Kato, K. Nakazawa, R. Komiya, N. Nishizawa, S. Tsunashima, S. Iwata:
Compositional dependence of g-factor and damping constant of GdFeCo amorphous alloy films
IEEE Trans. Magn., vol. 44, No. 11, pp. 3380-3383 (2008).

T. Yamato, T. Kume, T. Kato, S. Iwata, and S. Tsunashima:
Temperature Dependence of Exchange Anisotropy for (001) Oriented Mn₈₉Pt₁₁/Ferromagnetic Bilayers
J. Magn. Magn. Mat., vol. 310, no. 2, part 3, pp. e783-785 (2007).

T. Konagai, Y. Kitahara, T. Itoh, T. Kato, S. Iwata, S. Tsunashima:
Perpendicular anisotropy of MBE-grown FePt-Ag granular films
J. Magn. Magn. Mat., vol. 310, pp. 2662-2664 (2007).

L. You, T. Kato, S. Tsunashima, and S. Iwata:
Magnetic Force Microscopy Study of Thermomagnetic Writing on Micron- and Submicron-Patterned TbFe Films Using Current Pulses
Jpn. J. Appl. Phys., vol. 46, No. 3A, pp. 1003-1005 (2007).

T. Kume, T. Yamato, T. Kato, S. Iwata, and S. Tsunashima:
Thickness Dependence of Exchange Anisotropy for (001) Oriented Mn₈₉Pt₁₁/NiFe Bilayers
J. Magn. Magn. Mat., vol. 310, no. 2-3, pp. 2298-2300 (2007).

S. Tomita, T. Kato, S. Tsunashima, S. Iwata, M. Fujii, and S. Hayashi:
Magneto-optical Kerr effects of yttrium-iron garnet thin films incorporating gold nanoparticles
Phys. Rev. Lett., vol. 96, 167402 (2006).

Suharuyadi Edi, T. Kato, S. Tsunashima, and S. Iwata:
Magnetic Properties of Lithographically Patteerned Co/Pd Nanostructures Obtained by E-Beam and Ga Ion Irradiation
IEEE Trans. Magn., vol. 42, pp. 2972-2974 (2006).

C. C. Chen, Y. Suzuki, T. Kato, S. Iwata, S. Tsunashima, H. Toyoda, and H. Sugai:
Dependences of Giant Magnetoresistance in Co/Cu Multilayers on Sputtering Conditions
Jpn. J. Appl. Phys., vol. 45, No. 10B, pp. 8466-8468 (2006).

N. Taniguchi, T. Kato, S. Tsunashima, and S. Iwata:
Simulation of Thermomagnetic Recording Process for High Density Magnetic Field Modulation Method
J. Magn. Soc. Jpn., vol. 6, No. 2, pp. 596-599 (2006).

T. Yamato, T. Kume, T. Kato, S. Tsunashima, T. Nakamura, Y. Fujiwara, and S. Iwata:
X-ray magnetic circular dichroism studies of (001)-oriented NiFe / Mn_100-xPt_x exchange bilayers
J. Appl. Phys., vol. 100, 113907 (2006).

T. Kume, T. Kato, S. Iwata, and S. Tsunashima:
Exchange anisotropy of (001) oriented Mn₈₀Ir₂₀/NiFe epitaxial bilayers
J. Magn. Magn. Mat., vol. 286, pp. 243-247 (2005).

E. Suharyadi, S. Natsume, T. Kato, S. Tsunashima, and S. Iwata:
Modification of the Microstructure and Magnetic Properties of Ga-Ion-Irradiated Co/Pd Multilayer Film for Future Planar Media
Trans. Magn. Soc. Jpn., vol. 5, pp. 125-130 (2005).

T. Itoh, T. Kato, S. Iwata, and S. Tsunashima:
Perpendicular Anisotropy of MBE-Grown FePt Granular Films
IEEE Trans. Magn., vol. 41, pp. 3217-3219 (2005).

Edi Suharyadi, S. Natsume, T. Kato, S. Tsunashima, S. Iwata:
Microstructures and Magnetic Properties of the FIB Irradiated Co/Pd Multilayer Films
IEEE Trans. Magn., vol. 41, pp. 3595-3597 (2005).

S. Yamamoto, T. Kato, S. Iwata, S. Tsunashima, and S. Uchiyama:
STM observation and magnetic anisotropy of MBE-Grown Fe/Pt superlattices with (111) and (001) orientations
IEEE Trans. Magn., vol. 95, No. 11, pp. 7285-7287 (2004).

T. Kato, H. Ito, K. Sugihara, S. Tsunashima, and S. Iwata:
Magnetic Anisotropy of MBE Grown MnPt₃ and CrPt₃ Ordered Alloy Films
J. Magn. Magn. Mat., vol. 272-276, pp. 778-779 (2004).

T. Kume, Y. Sugiyama, T. Kato, S. Iwata, and S. Tsunashima:
Exchange anisotropy of MBE grown Mn_1-xPt_x/NiFe Bilayers with (001) orientation
J. Magn. Magn. Mat., vol. 272-276, pp. E827-828 (2004).

T. Eimueller, T. Kato, T. Mizuno, S. Tsunashima, C. Quitmann, T. Ramsvik, S. Iwata, and G. Schutz:
Uncompensated spins in a micro-patterned CoFeB/MnIr exchange bias system
Appl. Phys. Lett., vol. 85, No. 12, pp. 2310-2312 (2004).

T. Kato, M. Shimodaira, T. Koyama, S. Tsunashima, and S. Iwata:
Simulation of thermomagnetic recording process using MFM method: effect of field gradient (Invited)
Trans. Magn. Soc. Jpn., vol. 4, No. 4-2, pp. 172-177 (2004).

T. Kato, N. Uno, S. Tsunashima, and S. Iwata:
Perpendicular magnetic anisotropy and Kerr spectra of (Cr_1-xV_x)Pt₃ ordered alloy films
Trans. Magn. Soc. Jpn., vol. 4, No. 4-2, pp. 310-313 (2004).

T. Kume, Y. Sugiyama, T. Kato, S. Iwata, and S. Tsunashima
Exchange anisotropy of (001) oriented Mn_1-xPt_x/NiFe epitaxial films
J. Appl. Phys., Vol. 93, No. 10, pp. 6599-6601 (2003).

S. Tsunashima, N. Takagi, A. Yamaguchi, M. Kume, P. Fischer, M. Kumazawa
Observation of thermomagnetically recorded domains with a high resolution magnetic X-ray microscope (Invited)
Proc. of SPIE, Vol. 5060, pp. 81-88 (2003).

T. Koyama, T. Kato, and S. Tsunashima
Simulation of high density thermomagnetic recording process with magnetic field modulation method
Proc. of SPIE, Vol. 5060, pp. 95-98 (2003).

T. Ikeda, M. Onoe, and S. Tsunashima
Tunnel magnetoresistance effect and the magnetization process of GdFe/Al oxide/Co/TbFe Junctions
Trans. Magn. Soc. Jpn., Vol. 3, pp. 109-113 (2003).

T. Kato, K. Sugihara, H. Ito, A. Kobayashi, Y. Fujiwara, S. Iwata, and S. Tsunashima
Magnetic Circular Dichroism of Polycrystalline (Mn_1-xCr_x)Pt₃ and Epitaxial CrPt₃ Alloy Films
Trans. Magn. Soc. Jpn., Vol. 2, pp. 98-103 (2002).

T. Kume, E. Nagae, Y. Sugiyama, T. Kato, S. Iwata, and S. Tsunashima
Exchange anisotropy in epitaxial Mn_1-xPt_x/NiFe bilayers
IEEE Trans. Magn., Vol. 38, No. 5, pp. 2785-2787 (2002).

T. Koyama, T. Kato, S. Iwata, and S. Tsunashima
Simulation of thermomagnetic recording process using magnetic field modulation method
Trans. Magn. Soc. Jpn., Vol. 2, No. 4, pp. 271-272 (2002).

T. Kato, K. Suzuki, S. Tsunashima, and S. Iwata
Magnetic domain structure of NiFe and MnIr/NiFe elements patterned by focused ion beam
Jpn. J. Appl. Phys., vol. 41, No. 10A, pp. L1078-1080 (2002).

T. Kato, S. Iwata, S. Tsunashima, and Y. Fujiwara
Magnetic circular dichroism spectra of MnPt₃/Co multilayers
J. Magn. Magn. Mat., vol. 240, pp. 517-519 (2002).

T. Kato, K. Miyashita, S. Iwata, S. Tsunashima, H. Sakakima, Y. Sugita, and Y. Kawawake
Temperature dependence of giant magneto-resistance in PtMn and Fe₂O₃ based specular spin valves
J. Magn. Magn. Mat., vol. 240, pp. 168-170 (2002).

N. Hashida, T. Kato, S. Iwata, and S. Tsunashima
Simulation of thermomagnetic recording using extended Huth's equation
J. Magn. Soc. Jpn., vol.25, No3-2, pp.303-306, 2001

K. Sugihara, H. Ito, T. Kato, S. Iwata, and S. Tsunashima
Structure and magnetic properties of epitaxial CrPt₃ and Cr_0.8Mn_0.2Pt₃ alloy films
J. Magn. Soc. Jpn., vol.25, No3-2, pp.234-237, 2001

K. Takahashi and S. Tsunashima
Performance of rear expansion detection magneto-optical media
J. Magn. Soc. Jpn., vol.25, No3-2, pp.363-366, 2001

P. Fischer, T. Eimuller, S. Gluck, G. Schutz, S. Tsunashima, M. Kumazawa, N. Takagi, G. Denbeaux and D. Attwood
High Resolution Imaging of Magnetic Domains with Magnetic Soft X-ray Microscopy (Invited)
J. Magn. Soc. Jpn., vol.25, No3-2, pp.186-191, 2001

K. Takahashi, S. Tsunashima
Influence of Groove Shape on Rear Expansion Detection Readout
Jpn. J. Appl. Phys., vol.40, Part.2, No.4B, pp.L380-L382, 2001

N. Katagi, P. Fischer, S. Tsunashima, M. Kumazawa, H. Ishida, A. Yamaguchi, H. Noguchi, M. Kume
Observation of Thermomagnetically Recorded Magnetic Domains in TbFeCo Films with Soft X-Ray Microscopy
Jpn. J. Appl. Phys., vol.40, Part.2, No.4B, pp.L380-L382, 2001

 

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