研究業績

2010

“Characterization of MgZnO films grown by plasma enhanced metal-organic chemical vapor deposition.”,
Thin Solid Films, 518, No. 11, 2953-2956 (2010).
doi: 10.1016/j.tsf.2009.09.195
Hirokazu Asahara, Daiju Takamizu, Atsutoshi Inokuchi, Masaki Hirayama, Akinobu Teramoto, Shin Saito, Migaku Takahashi and Tadahiro Ohmi

“Evidence of localized surface plasmon enhanced magneto-optical effect in nanodisk array.”,
Applied Physics Letters, 96, 081915 (2010).
doi: 10.1063/1.3334726
Guan Xiang Du, Tetsuji Mori, Michiaki Suzuki, Shin Saito, Hiroaki Fukuda, and Migaku Takahashi

“Magneto-optic effects in nanosandwich array with plasmonic structure of Au/[Co/Pt]n/Au.”,
Journal of Applied Physics, 107, 09A928 (2010).
doi: 10.1063/1.3368110
Guan Xiang Du, Tetsuji Mori, Michiaki Suzuki, Shin Saito, Hiroaki Fukuda, and Migaku Takahashi

“Ｑバンド強磁性共鳴を用いたc面配向CoPtCr合金薄膜の異方性磁界およびg因子の評価”,
日本磁気学会誌, 34, No. 3, 214-219 (2010).
日向 慎太朗、齊藤　伸、高橋　研
doi: 10.3379/msjmag.1003R048
“Evaluation of Anisotropy Field and g factor of c plane Oriented CoPtCr Alloy Film Using Q band Ferromagnetic Resonance”
Journal of Magnetics Society of Japan, 34, No. 3, 214-219 (2010).
Shintaro Hinata, Shin Saito, and Migaku Takahashi

“Facile synthesis of magnetite nanoparticles by reduction phase transformation from – maghemite nanoparticles in organic solvent.”,
Journal of Colloid and Interface Science, 341, 194-199 (2010)
H. T. Hai, H. Kura, M. Takahashi, and T. Ogawa

“Phase transformation of FeO/Fe3O4 core/shell nanocubes and facile synthesis of Fe3O4 nanocubes.”,
Journal of Applied Physics, 107, 09E301-1-09E301-3 (2010).
H. T. Hai, H. Kura, M. Takahashi, and T. Ogawa

“Size control and characterization of wustite (core)/spinel (shell) nanocubes obtained by decomposition of iron oleate complex.”,
Journal of Colloid and Interface Science, 346, 37-42 (2010).
Hoang Tri Hai, Hai Tao Yang, Hiroaki Kura, Daiji Hasegawa, Yasunobu Ogata, Migaku Takahashi and Tomoyuki Ogawa

“Synthesis of Monodisperse Iron Nanoparticles with High Saturation　Magnetization using Fe(CO)x-Oleylamine Reacted Precursor.”,
Journal of Physical Chemistry C, 114, 5835-5838 (2010).
H. Kura, M. Takahashi, and T. Ogawa

” mスポットレーザ光による磁性体ナノドット配列体のファラデー効果の評価”,
日本磁気学会誌, 34, No. 4, 493-498 (2010).
守 哲司、杜 関祥、鈴木 理明、斉藤 伸、福田浩章、高橋 研
doi: 10.3379/msjmag.1007R002
“Probing of Faraday Effect with Micron Laser Spot for Patterned Array of Magnetic Nanodots”
Journal of Magnetics Society of Japan, 34, No. 4, 493-498 (2010).
T. Mori, G. X. Du, M. Suzuki, S. Saito, H. Fukuda, and M. Takahashi

“Temperature Dependence of Electrical Transport and Magnetization Reversal in Magnetic Tunnel Junction”,
IEEE Transaction on Magnetics, 46(6), 2195-2197 (2010).
C. T. Chao, C. C. Chen, C. Y. Kuo, C. S. Wu, L. Horng, S. Isogami, M. Tsunoda, M. Takahashi, and J. C. Wu

” -Mn-Ir/Fe-Co-Ni積層膜の交換磁気異方性と強磁性層結晶構造との相関”,
Journal of Magnetics Society of Japan, 34, No. 3, 285-288 (2010).
高橋宏和、角田匡清、三俣千春、高橋研
“Correlation between Exchange Anisotropy and Crystal Structure of Ferromagnetic Layer in γ-Mn-Ir / Fe-Co-Ni Bilayers”
H. Takahashi, M. Tsunoda, C. Mitsumata, and M. Takahashi

“Fe4N/MgO/CoFeB強磁性トンネル接合の磁気抵抗効果の温度依存性”,
Journal of Magnetics Society of Japan, 34, No. 4, 524-528 (2010).
駒崎洋亮、角田匡清、磯上慎二、陳哲勤、高橋研
“Dependence of Magnetoresistance Effect in Fe4N/MgO/CoFeB-Magnetic Tunnel Junctions on Temperature”
Y. Komasaki, M. Tsunoda, S. isogami, C. C. Chen, and M. Takahashi

“Linear correlation between uncompensated antiferromagnetic spins and exchange bias in Mn-Ir/Co100-xFex bilayers”,
Applied Physics Letters, 97, 072501-1-072501-3 (2010).
M.Tsunoda, H. Takahashi, T. Nakamura, C. Mitsumata, S. Isogami, and M. Takahashi,

“Low-gas-pressure Sputtering of CoPtCr-SiO2 Granular Films Made by a Sintered Target Without SiO2 Powder.”,
IEEE Magnetics Letters, 1, 4500104-1 – 4500104-5 (2010).
doi: 10.1109/LMAG.2010.2054830
Shingo Sasaki, Shin Saito, and Migaku Takahashi

“CoSi合金ターゲットのリアクティブスパッタリングによるCo-SiO2グラニュラー膜の作製プロセスの低ガス圧化”,
日本磁気学会誌, 34, No. 5, 563-567 (2010).
佐々木晋五、斉藤　伸、高橋　研
doi: 10.3379/msjmag.1008R003
“Low-Gas-Pressure Deposition of Co-SiO2 Granular Films by Reactive Sputtering Using CoSi Alloy Target”
Journal of Magnetics Society of Japan, 34, No. 5, 563-567 (2010).
Shingo Sasaki, Shin Saito, and Migaku Takahashi

“Influence of frequency and DC bias on magneto-impedance behaviors in double-MgO magnetic tunnel junctions”,
Solid State Communications, 150, 1856-1859 (2010).
K. M. Kuo, C. Y. Lin, C. T. Lin, G. Chern, C. T. Chao, L. Horng, J. C. Wu, T. Wu, C. Y. Huang, H. Ohyama, S. Isogami, M. Tsunoda, and M. Takahashi

“Inverse Current-Induced Magnetization Switching in Magnetic Tunnel Junctions with Fe4N Free Layer”,
Applied Physics Express, 3, 103002-1-103002-3 (2010).
S. Isogami, M.Tsunoda, Y. Komasaki, A. Sakuma, and M. Takahashi

“Shape-enhanced magneto-optical activity: Degree of freedom for active plasmonics.”,
Physical Review B, 82, 161403(R) (2010).
doi: 10.1103/PhysRevB.82.161403
G. X. Du, T. Mori, S. Saito, and M. Takahashi

“Anomalous Anisotropic Magnetoresistance in Pseudo-Single-Crystal ‘-Fe4N Films”,
Applied Physics Express, 3, 113003-1-113003-3 (2010).
M.Tsunoda, H. Takahashi, S. Kokado, Y. Komasaki, A. Sakuma, and M. Takahashi

2009

◇ 招待論文 Current perspective “Tailor-made nano structured materials for perpendicular recording media and head.”,
Journal of Mangetism and Magnetic Materials, 321, 539-544 (2009).
doi: 10.1016/j.jmmm.2008.05.008
Migaku Takahashi, Masakiyo Tsunoda, and Shin Saito
“75% inverse magnetoresistance at room temperature in Fe4N/MgO/CoFeB magnetic tunnel junctions fabricated on Cu underlayer”,
Journal of Applied Physics, 105 (7), 07C928-1-07C928-3 (2009).
Yosuke Komasaki, Masakiyo Tsunoda, Sshinji Isogami, and Migaku Takahashi

“Current driven magnetization reversal in microstructured spin valve with current-in-plane configuration”,
Journal of Applied Physics, 105 (7), 07D118-1-07D118-3 (2009).
C. Y. Kuo, C. T. Chao, J. Y. Ou, L. Horng, J. C. Wu, T. Wu, M. Tsunoda, and M. Takahashi

“Correlation between exchange bias field and domain size of ferromagnetic layer in Mn-Ir/Co-Fe bilayers”,
Journal of Applied Physics, 105 (7), 07D720-1-07D720-3 (2009).
Hirokazu Takahashi, Masakiyo Tsunoda, Keiki Fukumoto, Tetsuya Nakamura, Kuniaki Arai, Toyohiko Kinoshita, and Migaku Takahashi

“Small and highly oriented Ru grains in intermediate layer realized by suppression of relaxation of low angle grain boundaries for perpendicular recording media.”,
Journal of Applied Physics, 105, No.7, 07B734-1 07B734-3 (2009).
doi: 10.1063/1.3073947
Norikazu Itagaki, Shin Saito, and Migaku Takahashi

“Uniaxial magnetocrystalline anisotropy for c-plane oriented Co100-xMx (M: Cr, Mo, W) film with stacking faults.”,
Journal of Applied Physics, 105, No.7, 07B718-1-07B718-3 (2009).
doi: 10.1063/1.3079768
Shintaro Hinata, Ryuichi Yanagisawa, Shin Saito, and Migaku Takahashi

“Achieving a Non-interacting Magnetic Nanoparticle System through Direct Control of Interparticle Spacing”,
Applied Physics Letters, 94, No.1, 013103-1-013103-3 (2009).
H. Yang, D. Hasegawa, M. Takahashi and T. Ogawa

“Challenge of ultra high frequency limit of permeability for magnetic nanoparticle assembly with organic polymer ~ Application of Superparamagnetism ~” (invited),
Journal of Magnetism and Magnetic Materials, 321, 746-749 (2009).
D. Hasegawa, H. Yang, T. Ogawa and M. Takahashi

“Electron holography observation of in-plane domain structure in writer pole for Perpendicular recording heads.”,
Journal of Applied Physics, 105, 07D538 (2009).
K. Hirata, Y. Ishida, J. J. Kim, H. Kasai, D. Shindo, M. Takahashi, and A. Tonomura

“粒子成長速度がFeナノ粒子の飽和磁化に及ぼす影響”,
日本磁気学会誌 33, 247 – 251 (2009).
小川智之，瀬戸亨，長谷川大二，H. T. Yang，高橋研
“Effect of growth rate on saturation magnetization of Fe nanoparticles”
Journal of the Magnetics Society of Japan 33, 247 – 251 (2009).
T. Ogawa, K.Seto, D. Hasegawa, H. T. Yang, M. Takahashi

“Co Si O素材組換えターゲットにより作製されるグラニュラー薄膜の成膜条件と構造および磁気特性”,
日本磁気学会誌, 33, No. 4, 362-368 (2009).
佐々木晋五、斉藤　伸、高橋　研
doi: 10.3379/msjmag.0905RD0003
“Microstructure and Magnetic Properties of Co SiO2 Granular Film Deposited Using Sintered Targets Made from Co, Si, and Co Oxide Compounds”
Journal of Magnetics Society of Japan, 33, No. 4, 362-368 (2009).
Shingo Sasaki, Shin Saito, and Migaku Takahashi

“Semi-quantitative evaluation of stacking faults in pseudo-hcp thin films by laboratory-scale in-plane x-ray diffraction.”
Journal of Physics D: Applied Physics, 42, No. 14, 145007-1 – 145007-7 (2009).
doi: 10.1088/0022-3727/42/14/145007
Shin Saito, Atsushi Hashimoto, Daiji Hasegawa and Migaku Takahashi

“Negative Anisotropic Magnetoresistance in Fe4N Film”,
Applied Physics Express, 2 (8), 083001-1-083001-3 (2009).
M. Tsunoda, Y. Komasaki, S. Kokado, S. Isogami, C.-C. Chen, and M. Takahashi

“Effect of Field Cooling Direction on Magnetoresistance of Exchange-Biased Magnetic Tunnel Junction Rings”,
Jpn. J. Appl. Phys., 48, 053001-1-053001-4 (2009).
C. C. Chen, C. Y. Kuo, L. Horng, S. Isogami, M. Tsunoda, M. Takahashi, and J. C. Wu

“Transport Properties of Magnetic Tunnel Junctions Comprising NiFeSiB/CoFeB Hybrid Free Layers”,
IEEE Transaction on Magnetics, 45(6), 2364-2366 (2009).
J. U. Cho, D. K. Kim, R. P. Tan, S. Isogami, M. Tsunoda, M. Takahashi, and Y. K. Kim,

“Influence of Diffused Boron into MgO Barrier on Pinhole Creation in CoFeB/MgO/CoFeB Magnetic Tunnel Junctions”,
IEEE Transaction on Magnetics, 45(10), 3453-3456 (2009).
K. Komagaki, M. Hattori, K. Noma, H. Kanai, K. Kobayashi, Y. Uehara, M. Tsunoda, and M. Takahashi,

“Investigation on the Magnetization Reversal of Nanostructured Magnetic Tunnel Junction Rings”,
IEEE Transaction on Magnetics, 45(10), 3546-3549 (2009).
C. C. Chen, J. Y. Lin, L. Horng, J. S. Yang, S. Isogami, M. Tsunoda, M. Takahashi, and J. C. Wu

“Antiferromagnet Thickness Dependence of the Training Effect in Exchage-Coupled CoFe/MnIr Bilayers”,
IEEE Transaction on Magnetics, 45(10), 3865-3868 (2009).
D. Y. Kim, S. S. Yoon, C. G. Kim, M. Tsunoda, and M. Takahashi,

“Systematic Study for Magnetization Dependence of Exchange Anisotropy Strength in Mn-Ir/FM (FM = Ni-Co, Co-Fe, Fe-Ni) Bilayer System”,
IEEE Transaction on Magnetics, 45(10), 3877-3880 (2009).
M. Tsunoda, H. Takahashi, and M. Takahashi,

2008

“Novel Properties of Single-Walled Carbon Nanotubes with Encapsulated Magnetic Atoms”
Japanese Journal of Applied Physics, Vol. 47, No. 4, 2048-2055 (2008).
Yongfeng LI, Toshiro KANEKO, Tomoyuki OGAWA, Migaku TAKAHASHI, and Rikizo HATAKEYAMA

“Synthesis and magnetic properties of monodisperse magnetite nanocubes”,
Journal of Applied Physics, Vol. 103, 07D526-1-07D526-3 (2008).
H. Yang, T. Ogawa, D. Hasegawa, and M. Takahashi

“Gram-scale synthesis of monodisperse Fe nanoparticles in one pot”,
Scripta Materialia, 58, 822-825 (2008).
H. Yang, D. Hasegawa, S. Ozaki, T. Sato, M. Takahashi and T. Ogawa

“Critical Thickness of Antiferromagnetic Layer in Exchange Biasing Bilayer System”,
Journal of Physical Society of Japan, 77, 044602-1-044602-6 (2008).
C. Mitsumata, A. Sakuma, K. Fukamichi, M. Tsunoda, and M. Takahashi

“Effect of coalescence on ordering and c-axis orientation of FePt, FePtAu and FePtCu nanoparticles heat-treated in magnetic field”,
Japanese Journal of Applied Physics, Vol. 47, No. 5, 3466-3470 (2008).
H. Kura, T. Sato, M. Takahashi and T. Ogawa

“Room temperature ferromagnetism in diluted magnetic semiconductor Zn1-xCrxTe nanoparticles synthesized by chemical method”,
Applied Physics Letters Vol. 92, 202502-1-202502-3 (2008).
Yutaka Niwayama, Hiroaki Kura, Tetsuya Sato, Migaku Takahashi and Tomoyuki Ogawa

“Compositional Dependence of Exchange Anisotropy in -Mn-Ir-Rh-Ru / Co70Fe30 Bilayers”,
Journal of Magnetics Society of Japan, 32, 445-446 (2008).
M. Tsunoda, T. Kato, Y. Ashizawa, Y. Suzuki, and M. Takahashi,

“4.8-nm-diameter Ru grains grown on a large-grain seed layer for perpendicular magnetic recording media.”,
Journal of Physics D, 41, 152006-1 – 152006-4 (2008).
doi: 10.1088/0022-3727/41/15/152006
Norikazu Itagaki, Shin Saito, and Migaku Takahashi

◇ 招待論文 “Advanced granular-type perpendicular recording media.”,
Journal of Magnetism and Magnetic Materials, 320, No. 22, 2868-2873 (2008).
doi: 10.1016/j.jmmm.2008.07.039
Migaku Takahashi, and Shin Saito

“Degree of chemical reaction of carbon and oxygen to ferromagnetic grains for Co-based alloy-oxide granular structure.”,
Journal of Magnetism and Magnetic Materials, 320, No. 22, 3023-3026 (2008).
doi: 10.1016/j.jmmm.2008.08.013
Shingo Sasaki, Shin Saito, and Migaku Takahashi

◇ 招待論文 “Angular-dependent remanent magnetization curve for perpendicular magnetic recording media determined by precise polar-Kerr detection system.”,
Journal of Magnetism and Magnetic Materials, 320, No. 22, 3027-3031 (2008).
doi: 10.1016/j.jmmm.2008.08.058
Daiji Hasegawa, Shin Saito, Norikazu Itagaki, Sakae Meguro, Yasushi Konishi, Eiji Yanagisawa, Koichi Akahane, and Migaku Takahashi

“Topological bumped surface induced by the lattice extension of the RuCr intermediate layer for granular-type perpendicular recording media.”,
Journal of Magnetism and Magnetic Materials, 320, No. 22, 3053-3056 (2008).
doi: 10.1016/j.jmmm. 2008.08.098
Shinji Yonemura, Shin Saito, Atsushi Hashimoto, and Migaku Takahashi

“Spin Polarization of Sub-monolayer Cu Embedded in Fe70Co30 Films”,
Journal of Magnetics Society of Japan, 32, 540-542 (2008).
S. Isogami, M. Tsunoda, T. Nakamura, and M. Takahashi,

“In-situ heat treatment of ultrathin MgO layer for giant magnetoresistance ratio with low resistance area product in CoFeB/MgO/CoFeB magnetic tunnel junctions”,
Appl. Phys. Lett., 93, 192109-1-192109-3 (2008).
S. Isogami, M.Tsunoda, K. Komagaki, K. Sunaga, Y. Uehara, M. Sato, T. Miyajima, and M. Takahashi,

“Influence of oxidation and size of iron nanoparticles on the saturation magnetization”,
IEEE Trans. Magn., 44 (11), 2804-2807 (2008).
H. Matsuura, K. Seto, H. Yang, K. Kawano, M. Takahashi, T. Ogawa

“Facile synthesis, phase transfer, and magnetic properties of monodisperse magnetite nanocubes”,
IEEE Trans. Magn., 44 (11), 3895-3898 (2008).
H. Yang, D. Hasegawa, M. Takahashi, T. Ogawa

“Magnetoresistance Variation of Magnetic Tunnel Junctions with NiFeSiB/CoFeB Free Layers Depending on MgO Tunnel Barrier Thickness”,
IEEE Transaction on Magnetics, 44(11), 2547-2550 (2008).
J. U. Cho, D. K. Kim, T. X. Wan, S. Isogami, M. Tsunoda, M. Takahashi, and Y. K. Kim,

“Enhanced Exchange Anisotropy by Ultra-Thin CoxFe100-x (x > 80) Layer Insertion at the Interface of L12-Ordered Mn3Ir/Co65Fe35 Bilayers”,
IEEE Transaction on Magnetics, 44(11), 2832-2834 (2008).
K. Komagaki, M. Tsunoda, H. Takahashi, K. Noma, H. Kanai, K. Kobayashi, Y. Uehara, and M. Takahashi,

“AlN; a hexagonal-nitride seed layer underneath Ru for granular-type perpendicular magnetic recording media.”,
IEEE Transaction on Magnetics, 44(11), 3511-3514 (2008).
Shinichi Ishibashi, Shin Saito, Atsushi Hashimoto, and Migaku Takahashi.

“Magnetic domain observation in writer pole tip for perpendicular recording head by electron holography.”,
Appl. Phys. Lett., 92, 162501-1-162501-3 (2008).
J. J. Kim, K. Hirata, Y. Ishida, D. Shindo, M. Takahashi, and A. Tonomura

2007

“Magnetic Fe nanoparticles inserted into single-walled carbon nanotubes”
Chemical Communications, 254-256 (2007).
Yongfeng Li, Toshiro Kaneko, Tomoyuki Ogawa, Migaku Takahashi and Rikizo Hatakeyama

“Angular Dependence of Magnetoresistance During Magnetization Reversal on Magnetic Tunnel Junction Ring”,
IEEE Transaction on Magnetics, 43(2), 920-922 (2007).
C. C. Chen, C. C. Chang, Y. C. Chang, C. T. Chao, C. Y. Kuo, L. Horng, J. C. Wu, Teho Wu, G. Chern, C. Y. Huang, M. Tsunoda, and M. Takahashi,

“Size dependence of magnetization reversal of ring shaped magnetic tunnel junction”,
J. Magn. Magn. Mat., 310, 1900-1902 (2007).
C. C. Chen, C. Y. Kuo, Y. C. Chang, C. C. Chang, Lance Horng, Teho Wu, G. Chern, C. Y. Huang, L. Horng, M. Tsunoda, M. Takahashi, and J. C. Wu,

“Formation of CCP-NOL in CPP-GMR spin valve structure for the enhancement of magnetoresistance”,
J. Magn. Magn. Mat., 310, 1911-1913 (2007).
Y. M. Kang, S. Isogami, M. Tsunoda, M. Takahashi, and S. I. Yoo,

“Oxidation process of Mg films by using high-concentration ozone for magnetic tunnel junctions”,
J. Magn. Magn. Mat., 312, 176-180 (2007).
S. Yoshimura, Y. Narisawa, Y. Watanabe, M. Tsunoda, and M. Takahashi,

“Uncompensated antiferromagnetic spins at the interface in Mn-Ir based exchange biased bilayers”,
J. Appl. Phys., 101 (9), 09E510-1-09E510-3 (2007).
M. Tsunoda, S. Yoshitaki, Y. Ashizawa, C. Mitsumata, T. Nakamura, H. Osawa, T. Hirono, D. Y. Kim, and M. Takahashi

“Magnetic viscosity phenomena in exchange coupled CoFe/MnIr bilayers”,
J. Appl. Phys., 101 (9), 09E511-1-09E511-3 (2007).
D. Y. Kim, C. O. Kim, M. Tsunoda, M. Yamaguchi, S. Yabugami, and M. Takahashi

“Controllable Remanent States on Microstructured Magnetic Tunnel Junction Rings”,
IEEE Transaction on Magnetics, 43(6), 2824-2826 (2007).
C. C. Chen, C. T. Chao, C. Y. Kuo, L. Horng, T. Wu, G. Chern, C. Y. Huang, S. Isogami, M. Tsunoda, M. Takahashi, and J. C. Wu,

“Inverse tunnel magnetoresistance in magnetic tunnel junctions with as Fe4N electrode”,
J. Appl. Phys., 102 (1), 013917-1-013917-4 (2007).
K. Sunaga, M. Tsunoda, K. Komagaki, Y. Uehara, and M. Takahashi

“Top-pinned soft magnetic underlayer with nano- or oriented- crystalline structure fabricated by electroless plating”,
J. Appl. Phys., 102, 033906-1 – 033906-4 (2007).
Atsushi Hashimoto, Shin Saito, Migaku Takahashi, and Nobuaki Mukai

“Large Exchange Bias and High Blocking Temperature of MgO-Barrier-MTJs with L12-Ordered Mn3Ir”,
IEEE Transaction on Magnetics, 43(8), 3535-3537 (2007).
K. Komagaki, K. Yamada, K. Noma, H. Kanai, K. Kobayashi, Y. Uehara, M. Tsunoda, and M. Takahashi

“CoFeB/MgO/CoFeB強磁性トンネル接合におけるMgO障壁層の結晶配向制御および巨大トンネル磁気抵抗効果の導出”,
Journal of Magnetics Society of Japan, 31(5), 411-415 (2007).
芦澤好人、大山博久、須永和晋、渡邉義彦、角田匡清、高橋研,

“Pseudo-hcp nonmagnetic intermediate layer for granular media with high perpendicular magnetic anisotropy.”,
Journal of Physics D: Applied Physics as a fast track communication, 41, 012002 -1 012002 -4 (2008).
Atsushi Hashimoto, Shin Saito, Norikazu Itagaki, and Migaku Takahashi

“Correlation between spin dependent scattering and impurity polarization in CPP-GMR spin valves with ultra-thin Cu inserted Fe-Co layers”,
phys. stat. sol. (a), 204 (12), 4033-4036 (2007).
S. Isogami, M.Tsunoda, K. Noguchi, T. Nakamura, H. Osawa, and M.Takahashi,

“Enhancement of exchange bias by ultra-thin Mn layer insertion at the interface of Mn-Ir/Co-Fe bilayers”,
phys. stat. sol. (b), 244 (12), 4470-4473 (2007).
M.Tsunoda, S. Yoshitaki, Y. Ashizawa, D. Y. Kim, C. Mitsumata, and M. Takahashi

“Annealing temperature dependence of microwave permeability in CoFe/MnIr bilayers”,
phys. stat. sol. (c), 4 (12), 4388-4391 (2007).
D. Y. Kim, B. Parvatheeswara Rao, C.-O. Kim, M.Tsunoda, and M. Takahashi

“Synthesis and Magnetic Properties of Size Controlled Soft Magnetic Co1-xIrx Alloy Nanoparticles for High Frequency Applications”,
IEEE Trans. Magn. 43(6), 3112-3114 (2007).
C. N. Chinnasamy, T. Ogawa, D. Hasegawa, H. T. Yang, S. D. Yoon, V. G. Harris, and M. Takahashi

“Facile large-scale synthesis of monodisperse Fe nanoparticles by modest-temperature decomposition of Fe(CO)5”,
J. Appl. Phys., 101, 09J112-1-09J112-3 (2007).
H. Yang, F. Ito, D. Hasegawa, T. Ogawa, and M. Takahashi

“Shape-controlled synthesis of Fe nanoparticles with high-Ms via modest-temperature reduction methods”,
phys. stat. sol. (a), 204 (12), 4013-4016 (2007).
H. Yang, T. Ogawa, D. Hasegawa, and M. Takahashi

2006

“Heterogeneous-nucleation synthesis of monodisperse e-cobalt nanoparticles using palladium seeds”,
J. Magn. Magn. Mat., 304, e10-e12 (2006).
H. T. Yang, T. Ogawa, D. Hasegawa, C. N. Chinnasamy, and M. Takahashi

“Negative coercivity characteristics in antiferromagnetic coupled hard/soft multilayers”,
J. Magn. Magn. Mat., 304, e356-e358 (2006).
D. Y. Kim, C. G. Kim, C. O. Kim, S. S. Yoon, M. Naka, M. Tsunoda, and M. Takahashi

“The switching characteristics of free layer of patterned magnetic tunnel junction device”,
J. Magn. Magn. Mat., 304, e285-e287 (2006).
C. C. Chen, Y. R. Wang, C. Y. Kuo, J. C. Wu, L. Horng, T. Wu, S. Yoshimura, M. Tsunoda, and M. Takahashi

“Effect of surface roughness and field annealing on interlayer coupling in MnIr-based magnetic tunnel junction”,
J. Magn. Magn. Mat., 304, e267-e269 (2006).
D. Y. Kim, C. G. Kim, C. O. Kim, M. Tsunoda, and M. Takahashi

“Magnetization switching of NiFeSiB free layer for magnetic tunnel junctions”,
J. Magn. Magn. Mat., 304, e258-e260 (2006).
B. S. Chun, S. P. Ko, B. S. Oh, J. Y. Hwang, J. R. Rhee, T. W. Kim, S. Saito, S. Yoshimura, M. Tsunoda, M. Takahashi, and Y. K. Kim

“Tunable magnetic anisotropy of antiferromagnetic superlattice and resultant exchange bias of ferromagnetic layer on it”,
J. Magn. Magn. Mat., 304, e88-e90 (2006).
M. Tsunoda, M. Naka, D. Y. Kim, and M. Takahashi

“Angular dependence of exchange bias and coercivity in polycrystalline CoFe/MnIr bilayers”,
J. Magn. Magn. Mat., 304, e56-e58 (2006).
D. Y. Kim, C. G. Kim, C. O. Kim, M. Tsunoda, and M. Takahashi

“L12 phase formation and giant exchange anisotropy in Mn3Ir/Co-Fe bilayers”,
J. Magn. Magn. Mat., 304, 55-59 (2006).
M. Tsunoda, K. Imakita, M. Naka, and M. Takahashi

“Magnetization switching of CoFeSiB free-layered magnetic tunnel junctions”,
J. Magn. Magn. Mat., 303, e223-e225 (2006).
B.S. Chun, J.Y. Hwang, J.R. Rhee, T. Kim, S. Saito, S. Yoshimura, M. Tsunoda, M. Takahashi, Y.K. Kim

「負の一軸結晶磁気異方性をもつ軟磁性材料を用いた裏打ち膜の提案 ― WATEおよびスパイクノイズの同時抑制のために―」,
日本応用磁気学会誌, 30 (2), 135-140 (2006).
橋本篤志、齊藤伸、高橋研
“Proposal for Use of Soft Magnetic Material with Negative Uniaxial Magnetocrystalline Anisotropy as an SUL to Suppress both WATE and Spike Noise”,
J. Magn. Soc. Jpn., 30 (2), 135-140 (2006).
A. Hashimoto, S. Saito, and M. Takahashi