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W. Zhao, T. Kato, D. Oshima, S. Iwata:
The study of interface layer in hybrid memory layer for thermally assisted STT-MRAM cells
International Confernce on Materials and Systems for Sustainability 2021, Online, A2-P-1 (2021).
T. Ishibashi, R. Urakawa, M. Nishikawa, T. Nishi, D. Oshima, T. Kato:
Magnetic anisotropy of highly bismuth-substituted rare-earth (Y, Pr, Nd, Sm and Er) iron garnet thin films
International Confernce on Materials and Systems for Sustainability 2021, Online, A9-P-1 (2021).
M. Ito, A. Yamaguchi, D. Oshima, T. Kato, M. Shima, K. Yamada:
Enhancement of spin-orbit torques using change of uniaxial in-plane magnetic anisotropy in Py/Pt bilayers on a single crystal Y-Cut 128deg LiNbO3 substrate
International Confernce on Materials and Systems for Sustainability 2021, Online, A5-P-2 (2021).
T. Kato, W. Zhao, D. Oshima, S. Iwata:
Thermally assisted switching of MRAM cell using hybrid memory layer with different Curie temperatures (Invited)
International Conference n Processing and Manufacturing and Advanced Materials 2020, virtual, (2021).
A. Sakoguchi, T. Kato, D. Oshima, S. Iwata:
Electric-field modulation of perpendicular magnetic anisotropy and damping constant in MgO/Co/Pt trilayers
INTERMAG 2021 Conference, virtual, FC-06 (2021).
S. Honda, K. Makihara, H. Furuhata, A. Ohta, M. Ikeda, D. Oshima, T. Kato, S. Miyazaki:
Influence of Substrate Temperature on Plsma-Enhaced Self-Assembling Formation of High Density FePt-Nanodot
13th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials /14th International Conference on Plasma-Nano Technology Science, on-line, 09P-23 (2021).
N. Kamiya, T. Kato, D. Oshima, S. Iwata:
Perpendicular anisotropy and damping of MgO/Fe/Au trilayers with broken inversion symmetry
Annual Conference on Magnetism and Magnetic Materials 2020, Palm Beach, Florida, USA (Virtual Conference), A3-07 (2020).
W. Zhao, T. Kato, D. Oshima, Y. Sonobe, S. Takahashi, S. Iwata:
Thermally assisted STT switching of hybrid memory layer consisting of low TC CoPd/Pd and high TC Co/Pd multilayers
IEEE International Magnetics Conference 2020, Montreal, Canada, FP-12 (2020).
D. Oshima, T. Kato, S. Iwata:
Highly (001) oriented MnAl film fabricated on CoGa buffer layer
Annual Conference on Magnetism and Magnetic Materials 2019, Las Vegas, USA, CW-02 (2019).
Y. Miwa, D. Oshima, T. Kato, S. Iwata:
(001)-textured MnGa ultrathin films grown on thermally oxidized Si substrate using CoGa buffer layer
Annual Conference on Magnetism and Magnetic Materials 2019, Las Vegas, USA, GR-02 (2019).
W. Zhao, T. Kato, D. Oshima, Y. Sonobe, S. Takahashi, S. Iwata:
Thermally assisted STT switching MRAM cell using hybrid memory layer consist of CoPd/Pd and Co/Pd multilayers
Annual Conference on Magnetism and Magnetic Materials 2019, Las Vegas, USA, ER-14 (2019).
T. Kato, D. Oshima, S. Iwata:
X-ray magnetic circular dichroism studies on ion irradiated MnGa films
International Conference on Materials and Systems for Sustainability 2019, Nagoya, Japan, A1-II-7 (2019).
K. Kunishima, X. Zhou, D. Oshima, T. Kato, S. Iwata:
Voltage control of spin Hall switching in perpendiculary magnetized MgO/Co/Pt trilayers
International Conference on Materials and Systems for Sustainability 2019, Nagoya, Japan, A3-P-9 (2019).
K. Kawakami, D. Oshima, T. Kato, S. Iwata:
Compositional dependence of spin orbit torques in SiN / GdFeCo / Ta films
International Conference on Materials and Systems for Sustainability 2019, Nagoya, Japan, S2-P-6 (2019).
T. Ishibashi, G. Lou, J. Yamakita, M. Nishikawa, T. Kato, S. Iwata:
Magnetic anisotropy of Bi-substituted yttrium iron garnet films prepared by MOD method
International Conference on Materials and Systems for Sustainability 2019, Nagoya, Japan, A3-P-3 (2019).
K. Kawakami, D. Oshima, T. Kato, S. Iwata:
Spin Orbit Torques in Ferrimagnetic GdFeCo with Various Compositions
Magnetics and Optics Research International Symposium 2019, Prague, Czech Republic, Tu-P-16 (2019).
W. Zhao, 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
Magnetics and Optics Research International Symposium 2019, Prague, Czech Republic, Tu-04-3 (2019).
K. Kunishima, X. Zhou, D. Oshima, T. Kato, S. Iwata:
Electric-field-assisted Spin Hall Magnetization Switching in MgO/Co/Pt Trilayers
Magnetics and Optics Research International Symposium 2019, Prague, Czech Republic, Tu-P-05 (2019).
T. Ishikawa, Y. Miwa, D. Oshima, T. Kato, S. Iwata:
MnGa (001) textured film fabricated on Si substrate for application to ion beam bit patterned media
2019 Joint MMM-Intermag Conference, Washington DC, USA, CQ-09 (2019).
D. Oshima, T. Kato, S. Iwata:
Perpendicular magnetic anisotropy of Fe3O4/Cr multilayers
2019 Joint MMM-Intermag Conference, Washington DC, USA, AR-09 (2019).
K. Kawakami, D. Oshima, T. Kato, S. Iwata:
Spin orbit torques in ferrimagnetic GdFeCo/Ta bilayers
International School on Spintronics and Korea-Japan Spintronics Workshop -Topological Phenomena in Magnetism-, Nagoya, Japan, (2019).
K. Kawakami, D. Oshima, T. Kato, S. Iwata:
Compositional dependence of spin orbit torques in ferrimagnetic GdFeCo / Ta bilayers
Magnetics and Optics Research International Symposium 2018, New York, USA, Tu-P-21 (2018).
T. Kimura, X. Dong, D. Oshima, T. Kato, Y. Sonobe, Y. Kawato, S. Iwata:
Spin transfer torque switching of Co/Pd-based multilayers with low Curie temperature
Magnetics and Optics Research International Symposium 2018, New York, USA, Tu-P-20 (2018).
J. Yamakita, G. Lou, T. Kato, S. Iwata, M. Nishikawa, T. Ishibashi:
Magnetic anisotropy in Bismuth, Gallium substituted Neodymium iron garnet thin films on GGG substrates determined by FMR measurements
Magnetics and Optics Research International Symposium 2018, New York, USA, Mo-P-16 (2018).
Y. Horie, D. Oshima, T. Kato, S. Iwata:
Ion beam patterning of ultrathin L10-MnGa (001) film grown on CoGa buffer layer
IEEE International Magnetics Conference 2018, Singapore, BQ-12 (2018).
W. Zhao, 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 International Magnetics Conference 2018, Singapore, AR-04 (2018).
Y. Otaki, T. Kato, S. Okamoto, N. Kikuchi, D. Oshima, S. Iwata, O. Kitakami:
Detection of magnetic nanoparticles by variation of magnetization dynamics of Co/Ni multilayer
IEEE International Magnetics Conference 2018, Singapore, EW-16 (2018).
T. Kato, D. Oshima, S. Iwata:
Planar bit patterned MnGa films fabricated by ion irradiation (Invited)
5th International Conference of Asian Union of Magnetics Societies, Jeju, Korea, G3-1384 (2018).
T. Ishibashi, G. Lou, J. Yamakita, M. Nishgikawa, N. Adachi, T. Kato, S. Iwata:
Magnetic Anisotropy of Highly Nd3-xBixFe5-yGayO12 Studied by FMR Measurements
5th International Conference of Asian Union of Magnetics Societies, Jeju, Korea, G5-1722 (2018).
L. O. Rusman, H. Kiswanto, A. T. Puspitasari, E. Suharyadi, T. Kato, S. Iwata:
Crystal Structures and Magnetic Properties of Silica-Encapsulated CoZnFe2O4 Magnetic Nanoparticles
5th International Conference of Asian Union of Magnetics Societies, Jeju, Korea, G7-0287 (2018).
H. Kiswanto, E. Suharyadi, T. Kato, S. Iwata:
Effect of Annealing Temperature on Crystal Structure and Magnetic Properties of CoZnFe2O4 Magnetic Nanoparticles
5th International Conference of Asian Union of Magnetics Societies, Jeju, Korea, G7-0317 (2018).
Y. Otaki, T. Kato, S. Okamoto, N. Kikuchi, D. Oshima, S. Iwata, O. Kitakami:
Modification of magnetization dynamics of perpendicular magnetized Co/Ni multilayer by adsorption of magnetic nano-particles
11th International Conference of Electrical, Transport, and Optical Properties of Inhomogeneous Media, Krakow, Poland, (2018).
T. Kato:
Ion implantation for planar nano-pattering of magnetic materials (Invited)
11th International Conference of Electrical, Transport, and Optical Properties of Inhomogeneous Media, Krakow, Poland, (2018).
W. Zhao, T. Kimura, T. Kato, D. Oshima, Y. Sonobe, Y. Kawato, S. Iwata:
Current induced magnetization switching of hybrid memory layer comprised of CoPd/Pd and Co/Pd multilayers
40th International Symposium on Dry Process, Nagoya, Japan, (2018).
Y. Hashimoto, N. Yamamoto, T. Kato, D. Oshima, S. Iwata:
Magnetic strain sensor using GMR films with magnetostrictive FeSiB free layer
IEEE International Magnetics Conference 2017, Dublin, Ireland, (2017).
T. Ishikawa, K. Fukuta, D. Oshima, T. Kato, T. Nakamura, Y. Kotani, K. Toyoki, S. Iwata:
Local switching field and magnetic state of ion-irradiation bit patterned L10-MnGa film probed by scanning X-ray magnetic circular dichroism
IEEE International Magnetics Conference 2017, Dublin, Ireland, (2017).
D. Oshima, T. Kato, S. Iwata:
First order reversal curve diagram analysis of ion irradiated bit patterned MnGa film
IEEE International Magnetics Conference 2017, Dublin, Ireland, EE-09 (2017).
G. Lou, T. Kato, S. Iwata, T. Ishibashi:
FMR measurements of highly bismuth-substituted neodymium iron garnet thin films
IEEE International Magnetics Conference 2017, Dublin, Ireland, (2017).
D. Oshima, T. Kato, S. Iwata:
Ion Beam Bit Patterned Media Using MnGa Alloy Films (Invited)
The 28th Magnetic Recording Conference, Tsukuba, Japan, B2 (2017).
Y. Hashimoto, N. Yamamoto, T. Kato, D. Oshima, S. Iwata:
Magnetic strain sensor using spin valve GMR films with FeSiB free layer
International Conference on Materials and Systems for Sustainability, Nagoya, Japan, P-1-12 (2017).
T. Ishikawa, K. Fukuta, D. Oshima, T. Kato, T. Nakamura, Y. Kotani, K. Toyoki, S. Iwata:
Scanning X-ray magnetic circular dichroism observation of magnetic state of ion-irradiation bit patterned L10-MnGa films
International Conference on Materials and Systems for Sustainability, Nagoya, Japan, P-1-15 (2017).
N. Istikhomah, J. Widakdo, A. Rifianto, E. Suharyadi, T. Kato, S. Iwata:
Effect of Zn concentration on Crystal Structure and Magnetic Properties of ZnxNi1-xFe2O4 Nanoparticles Fabricated by Co-precipitation Method
IEEE Nanotechnology Materials and Devices Conference 2017, Singapore, P0160 (2017).
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 Zn0.5Ni0.5Fe2O4 Magnetic Nanoparticles
IEEE Nanotechnology Materials and Devices Conference 2017, Singapore, P0161 (2017).
T. Kimura, X. Dong, D. Oshima, T. Kato, Y. Sonobe, Y. Kawato, S. Iwata:
Current induced magnetization switching of Co/Pd-based multilayers with low Curie temperature
62nd Annual Conference on Magnetism and Magnetic Materials, Pittsburgh, Pennsylvania, USA, FR-09 (2017).
R. Mandal, YK. Takahashi, K. Ishioka, T. Shima, D. Ogawa, T. Kato, S. Iwata, S. Hirosawa, K. Hono:
Time Domain Study of Magnetization Dynamics to Evaluate Interlayer Exchange Coupling Constant in Nd2Fe14B/Ni80Fe20 Films (Invited)
62nd Annual Conference on Magnetism and Magnetic Materials, Pittsburgh, Pennsylvania, USA, CF-04 (2017).
K. Kawakami, D. Oshima, T. Kato, S. Iwata:
Compositional Dependence of spin orbit torques in amorphous GdFeCo films
62nd Annual Conference on Magnetism and Magnetic Materials, Pittsburgh, Pennsylvania, USA, FS-06 (2017).
Y. Liu, E. Kita, H. Yanagihara, D. Oshima, T. Kato, S. Iwata, K. Mibu:
Magnetization control of CoFe2O4 thin films by Kr ion implantation
2016 Joint MMM-Intermag Conference, San Diego, USA, DS-02 (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
2016 Joint MMM-Intermag Conference, San Diego, USA, EH-13 (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 Mn0.5Zn0.5Fe2O4
8th International Conference on Physics and its Applications, Denpasar, Indonesia, MP-16 (2016).
H. Kano, T. Kato, D. Oshima, S. Takahashi, Y. Sonobe, S. Iwata:
Magnetization dynamics and magnetic anisotropy of ion irradiated L10-MnGa films
61st Annual Conference on Magnetism and Magnetic Materials, New Orleans, Louisiana, USA, CQ-08 (2016).
D. Oshima, T. Kato, S. Iwata:
First order reversal curve diagrams of bit patterned MnGa fabricated by local ion irradiation
61st Annual Conference on Magnetism and Magnetic Materials, New Orleans, Louisiana, USA, AP-09 (2016).
X. Dong, D. Oshima, T. Kato, Y. Sonobe, S. Iwata:
[CoPd/Pd] and [Co/Pd] hybrid stacks for the memory layer of high density magnetic random access memory cells
61st Annual Conference on Magnetism and Magnetic Materials, New Orleans, Louisiana, USA, FT-03 (2016).
T. Matsumura, D. Oshima, T. Kato, N. Roschewsky, S. Salahuddin, S. Iwata:
Magnetization switching induced by spin-orbit torques in perpendicularly magnetized Ta / GdFeCo bilayers
61st Annual Conference on Magnetism and Magnetic Materials, New Orleans, Louisiana, USA, CP-13 (2016).
N. Roschewsky, T. Matsumura, S. Cheema, T. Kato, S. Iwata, S. Salahuddin:
Sign of Spin-Orbit Torques in ferrimagnetic GdFeCo
61st Annual Conference on Magnetism and Magnetic Materials, New Orleans, Louisiana, USA, CC-07 (2016).
T. Kato, S. Iwata, Y. Honkura:
Fabrication of High Sensitive Magnetic Field Sensor with Amorphous Wire and Fine Pitch Coils
29th International Microprocesses and Nanotechnology Conference, Kyoto, 9D-2-3 (2016).
T. Kato:
Time resolved magneto-optical Kerr effect of magnetic materials with high perpendicular magnetic anisotropy (Invited)
International Workshop on Novel Photo Induced Phenomena and Applications, Tokyo, Japan, (2016).
T. Nagata, Y. Tokuoka, T. Kato, D. Oshima, S. Iwata:
Variation of structure and magnetic properties by Ag addition in (001) oriented CoPt and CoPd alloy films
IEEE International Magnetics Conference 2015, Beijing, China, BF-12 (2015).
D. Oshima, M. Tanimoto, T. Kato, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima, S. Iwata:
Anisotropic X-ray magnetic circular dichroism spectra of (001) oriented L10-MnGa film
IEEE International Magnetics Conference 2015, Beijing, China, GQ-13 (2015).
Y. Kusanagi, S. Okamoto, N. Kikuchi, T. Kato, S. Iwata, O. Kitakami, H. Nemoto:
Gilbert damping constant of Co-Pt based alloy films
IEEE International Magnetics Conference 2015, Beijing, China, BC-03 (2015).
T. Higashide, B. Dai, D. Oshima, T. Kato, S. Iwata, S. Tsunashima:
Effective damping constant and perpendicular anisotropy of GdFeCo / TbFe exchange coupled bilayer
IEEE International Magnetics Conference 2015, Beijing, China, HP-07 (2015).
Y. Mohri, M. Yamada, M. Kawaguchi, S. Kojima, T. Nakano, T. Uchiyama, T. Kato, Y. Inden, K. Mohri:
Physiological Magnetic Stimulation on Car Driver's Spine for Arousal Preventing Drowsy Driving without Rebound Sleep and Back Magneto-cardiogram
IEEE International Magnetics Conference 2015, Beijing, China, BI-06 (2015).
D. Oshima, T. Kato, S. Takahashi, Y. Sonobe, S. Iwata, S. Tsunashima:
Control of Magnetic Inactivation Layer Thickness in MnGa Film by Kr Ion Irradiation
20th International Conference on Magnetism, Barcelona, Spain, 1695.00 (2015).
D. Oshima, T. Negoro, T. Kato, S. Iwata, S. Tsunashima:
(001) Oriented MnGa Film Grown on Si Substrate for Ion Beam Patterned Media
20th International Conference on Magnetism, Barcelona, Spain, 1999.00 (2015).
E. Suharyadi, S. Nuzully, T. Kato, S. Iwata, K. Abraha:
Magnetic Properties and Microstructures of Polymer Functionalized Fe3O4 Nanoparticles-Enhanced Surface Plasmon Resonance (SPR) Biosensor
20th International Conference on Magnetism, Barcelona, Spain, 454.00 (2015).
G. Lou, M. Sasaki, T. Kato, S. Iwata, T. Ishibashi:
Magnetic anisotropy of Nd0.5Bi2.5Fe5-yGayO12 (y = 0 ~ 1) thin films on glass substrates prepared by metal organic decomposition method
20th International Conference on Magnetism, Barcelona, Spain, 2446.00 (2015).
Y. Wakisaka, Y. Umemura, T. Yokoyama, D. Oshima, T. Kato, S. Iwata:
XAFS study of FeRh thin film showing magnetic and structural transition
16th International Conference on X-ray Absorption Fine Structure, Karlsruhe, Germany, (2015).
Y. Wakisaka, Y. Umemura, T. Yokoyama, D. Oshima, T. Kato, S. Iwata:
The metamagnetic transition of thin-film FeRh studied by X-ray absorption fine structure spectroscopy
XAFS16: Satellite Meeting "Application of XAFS to the study of magnetic Materials", Stuttgart, Germany, (2015).
K. Fukuta, D. Oshima, T. Kato, S. Iwata:
Structural and magnetic transitions of CrPt3 films by heat treatment and ion irradiation
Magnetics and Optics Research International Symposium 2015, Penang, Malaysia, Tu-P-06 (2015).
T. Higashide, B. Dai, D. Oshima, T. Kato, S. Iwata:
Gilbert damping constant of TbFe / GdFeCo bilayers with various layer stacks
Magnetics and Optics Research International Symposium 2015, Penang, Malaysia, Mo-P-05 (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
7th International WorkShop on New Group IV Semiconductor Nanoelectronics and JSPS Core-to Core Program Joint Seminar "Atomically Controlled Processing for Ultralarge Scale Integration", Sendai, Japan, P-05 (2014).
T. Kato, K. Adachi, Y. Kusanagi, S. Okamoto, N. Kikuchi, S. Iwata, O. Kitakami, S. Tsunashima:
Variation of Gilbert damping with the layered structure of sputtered Co/Pt and Co/Pd multilayers
IEEE International Magnetics Conference 2014, Dresden, Germany, EE-09 (2014).
D. Oshima, M. Tanimoto, T. Kato, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima, S. Iwata:
Magnetic circular dichroism measurement of ion irradiated MnGa films
IEEE International Magnetics Conference 2014, Dresden, Germany, CB-04 (2014).
S.Iwata, T. Kato, G. A. Wang:
High sensitivity GMR Magnetic Sensors (Invited)
Moscow International Symposium on Magnetism 2014, Moscow, Russia, 2RP-A-10 (2014).
K. Makihara, R. Fukuoka, H. Zhang, A. Ohta, Y. Tokuda, T. Kato, S. Iwata, S. Miyazaki:
Crystalline Structure and Magnetic Properties of FePt Alloy Nanodots
International Conference in Asia 2014, Fukuoka, Japan, D5-P26-005 (2014).
S. Miyazaki, Y. Kabeya, R. Fukuoka, H. Zhang, K. Makihara, T. Kato, S. Iwata:
Formation and Characterization of High Density FePt Nanodots on SiO2 Induced by Remote Hydrogen Plasma
Mat. Res. Soc. 2014 Fall Meetings, Boston, USA, M03.08 p. 236 (2014).
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
12th Joint MMM/Intermag Conference, Chicago, USA, AV-09 (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
12th Joint MMM/Intermag Conference, Chicago, USA, AQ-08 (2013).
K. Hori, T. Kaneko, Y. Fujiwara, H. Sato, K. Maeda, T. Kato, T. Kobayashi, S. Iwata, M. Jimbo:
Synthesis of L10-ordered FePt nanoparticles encaged in carbon nanotubes
5th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials, Nagoya, Japan, P1050C (2013).
K. Mohri, M. Sasaki, T. Uemura, Y. Mohri, M. Yamada, T. Kato:
Pulse Train Distributed Magnetic Field Generated from Reinforced High-strength Concrete Using Magnetized Olivine Stone Aggregate
The 33rd Progress in Electromagnetics Research Symposium, Taipei, Taiwan, 3P6a, 616 (2013).
T. Kato, D. Oshima, M. Tanimoto, S. Iwata, S. Tsunashima:
Patterning of magnetic films by ion irradiation for ultra high density data storage (Invited)
2nd International Congress on Advanced Materials, Zhenjiang, China, H4 (2013).
T. Kato, D. Oshima, M. Tanimoto, S. Iwata, S. Tsunashima:
Ion beam irradiation for the fabrication of planer bit patterned media (Invited)
Collaborative Conference on Materials Research, Jeju island, South Korea, (2013).
T. Kato, D. Oshima, M. Tanimoto, Y. Fujiwara, T. Nakamura, S. Iwata:
Effect of Kr+ Ion Irradiation on Orbital Moment of CrPt3 Alloy Film
International Symposium on Advanced Magnetic Materials and Applications 2013, Taichung, Taiwan, EA-03 (2013).
D. Oshima, T. Kato, S. Iwata, S. Tsunashima:
Switching field distribution measurement of ion beam patterned MnGa film
International Symposium on Advanced Magnetic Materials and Applications 2013, Taichung, Taiwan, EA-08 (2013).
E. Suharyadi, T. Kato, S. Iwata:
Controlling the Magnetic Properties of Cr-Implanted Co/Pt
International Symposium on Advanced Magnetic Materials and Applications 2013, Taichung, Taiwan, RE-07 (2013).
E. Suharyadi, A. Riyanto, S. Husen, E. Astuti, S. Nuzully, T. Kato, S. Iwata, K. Abraha:
Magnetic properties and microstructures of polymer functionalized Fe3O4 nanoparticles as active material for surface plasmon resonance (SPR) biosensor
International Conference on Innovation in Polymer Science and Technology, Yogyakarta, Indonesia, (2013).
D. Oshima, T. Kato, S. Iwata, S. Tsunashima:
Switching field distribution of bit patterned MnGa films fabricated by ion irradiation
The 58th Magnetism and Magnetic Materials Conference, Denver, Colorado, USA, CT-12 (2013).
Y. Tokuoka, Y. Seto, T. Kato, S. Iwata:
Effect of Ag addition to L10 FePt and L10 FePd films grown by molecular beam epitaxy
The 58th Magnetism and Magnetic Materials Conference, Denver, Colorado, USA, BT-04 (2013).
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
The 58th Magnetism and Magnetic Materials Conference, Denver, Colorado, USA, FP-07 (2013).
D. Yoshikawa, Y. Fujisawa, T. Kato, S. Iwata, S. Tsunashima:
Thermally assisted magnetization switching on magnetic tunnel junctions with perpendicularly magnetized TbFe layer
Magnetics and Optics Research International Symposium 2013, Saitama, Japan, Tu-P-23, pp. 68-69 (2013).
K. Adachi, T. Kato, S. Okamoto, N. Kikuchi, O. Kitakami, S. Iwata:
Perpendicular anisotropy and Gilbert damping constant of Co/Pt multilayers
Magnetics and Optics Research International Symposium 2013, Saitama, Japan, Tu-P-20, pp. 62-63 (2013).
R. Fukuoka, H. Zhang, K. Makihara, Y. Tokuoka, T. Kato, S. Iwata, S. Miyazaki:
High density formation of FePt alloy nanodots on SiO2 induced by remote hydrogen plasma
Magnetics and Optics Research International Symposium 2013, Saitama, Japan, We-P-07, pp. 110-111 (2013).
S. Takase, K. Hori, Y. Fujiwara, H. Sato, K. Maeda, T. Kato, T. Kobayashi, M. Jimbo, S. Iwata:
Diameter control of FePt nanoparticles encapsulated in carbon nanotubes
Magnetics and Optics Research International Symposium 2013, Saitama, Japan, Tu-P-02, pp. 26-27 (2013).
M. Shinoda, H. Niwa, Y. Fujiwara, T. Kato, M. Jimbo, T. Kobayashi:
Particle size control in CoFeAlSi-MgF2 granular films
Magnetics and Optics Research International Symposium 2013, Saitama, Japan, Tu-P-06, pp. 34-35 (2013).
T. Kato, Y. Matsumoto, S. Okamoto, N. Kikuchi, S. Iwata, O. Kitakami, S. Tsunashima:
Structural dependent Gilbert damping in sputtered Co/Pd multilayers
IEEE International Magnetics Conference 2012, Vancouver, Canada, CE-04 (2012).
D. Oshima, T. Kato, S. Iwata, and S. Tsunashima:
Control of magnetic properties of MnAl films by Kr+ ion irradiation for planar bit patterned media
IEEE International Magnetics Conference 2012, Vancouver, Canada, CS-04 (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 International Magnetics Conference 2012, Vancouver, Canada, BT-12 (2012).
Q. Xu，R. Kanbara，T. Kato，S. Iwata, and S. Tsunashima:
Bit patterned structure fabricated by Kr+ ion irradiation onto MnBiCu films
IEEE International Magnetics Conference 2012, Vancouver, Canada, CS-03 (2012).
T. Kato, Y. Matsumoto, S. Okamoto, N. Kikuchi, S. Iwata, O. Kitakami:
Magnetization dynamics in magnetic multilayers with perpendicular anisotropy (Invited)
Collaborative Conference on Materials Research 2012, Seoul, South Korea, (2012).
B.Dai, T.Kato, S.Iwata and S.Tsunashima:
Compositional dependence of critical current density for spin transfer torque switching of amorphous GdFeCo for thermally assisted MRAM
The 19th International Conference on Magnetism, Busan, Korea, RL08 (2012).
S. Kashima, T. Kato, Y. Matsumoto, S. Okamoto, N. Kikuchi, O. Kitakami, S. Iwata, S. Tsunashima:
Gilbert damping of Co/Pd multilayers with perpendicular anisotropy
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 4pPS-79, p. 376 (2012).
B. Dai, T. Kato, S. Iwata, S.Tsunashima:
Current induced magnetization switching of amorphous GdFeCo with perpendicular magnetic anisotropy
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 4pPS-39, p. 336 (2012).
Y. Fujisawa, T. Kato, S. Iwata, S. Tsunashima:
Thermally Assisted Magnetic Switching on Magnetic Tunnel Junctions with TbFe alloy memory layer
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 4pPS-42, p. 339 (2012).
D. Oshima, T. Kato, S. Iwata, S. Tsunashima:
Control of magnetic properties of MnGa films by Kr+ ion irradiation
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 4aA-3, p. 247 (2012).
M. Tanimoto, D. Oshima, T. Kato, S. Iwata:
Patterning of perpendicular magnetized MnAl films by local ion irradiation
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 4pPS-119, p. 416 (2012).
H. Ono, H. Awano, Y. Suzuki, S. Yasuda, T. Kato, S. Iwata:
TbFeCo/Rh/TbFeCo planer patterned media with ferromagnetic transition from antiferromagnetic media by Kr ion irradiation
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 4aA-4, p. 241 (2012).
K. Hori, T. Kaneko, Y. Fujiwara, K. Maeda, H. Sato, T. Kato, T. Kobayashi, M. Jimbo, S. Iwata:
Structural analysis of FePt nanoparticles inside multi-walled carbon nanotubes
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 4pPS-84, p. 381 (2012).
M. Kondo, T. Chino, M. Hattori, Y. Urakawa, Y. Fujiwara, T. Kato, M. Jimbo:
Tunneling magnetoresistance effect and structure of granular films using CoFeAlSi alloy
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 2pPS-46, p. 83 (2012).
H. Ito, H. Kim, T. Kato, S. Iwata:
Magnetic strain sensor using GMR devices
International Conference of the Asian Union of Magnetics Societies 2012, Nara, Japan, 2pPS-96, p. 133 (2012).
T. Kato, D. Oshima, M. Tanimoto, Q. Xu, S. Iwata, S. Tsunashima:
Planar bit patterned media fabricated by ion beam irradiation (Invited)
2012 Energy Materials Nanotechnology Fall Meeting, Las Vegas, USA, A20 (2012).
T. Kaneko, Y. Fujiwara, H. Sato, K. Maeda, T. Kato, S. Iwata, K. Hata, T. Kobayashi:
Magnetic property of FePt nanoparticles encapsulated in multi-walled Carbon nanotubes grown by thermal chemical vapor deposition
3rd International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials, Nagoya, Japan, (2011).
G. Wang, S. Arai, T. Kato, S. Iwata:
Low drift DC field sensor using modulation of magnetization direction in GMR device
IEEE International Magnetics Conference 2011, Taipei, Taiwan, ET-03 (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 International Magnetics Conference 2011, Taipei, Taiwan, CG-06 (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 International Magnetics Conference 2011, Taipei, Taiwan, CN-07 (2011).
Y. Matsumoto, T. Kato, S. Iwata, S. Tsunashima:
Ultrafast decoupling of GdFeCo / TbFe / TbFeCo exchange coupled trilayer triggered by ultra-short pulse laser
Magnetics and Optics Research International Symposium 2011, Nijmegen, The Netherlands, P100 (2011).
T. Kaneko, Y. Fujiwara, H. Sato, T. Kato, K. Maeda, S. Iwata, K. Hata, T. Kobayashi:
Magnetic property of FePt particles encaged in carbon nanotubes
The 11th International Symposium on Sputtering & Plasma Processes, Kyoto, Japan, MN P-9 (2011).
Q. Xu, R. Kanbara, T. Kato, S. Iwata, and S. Tsunashima:
Control of Magnetic Properties of MnBiCu Thin Films by Kr+ Ion Irradiation
The 56th Annual Conference on Magnetism and Magnetic Materials, Scottsdale, Arizona, USA, DQ-03 (2011).
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