Docter, Tohoku University

Nanostructured materials

Nanomaterials engineering

Membrane Engineering for Water Treatment

Nanostructured electronic and magnetic materials

Ionic conduction materials and their properties

2002, Tohoku University, Graduate School of Engineering,, 材料物性専攻

1979, The University of Tokyo, Faculty of Engineering, Department of Applied Physics

1981, The University of Tokyo, Graduate School of Engineering, Department of Applied Physics

Reproduced Dot Image of Nitrogen Ion Implanted Co/Pd Bit Patterned Media With Flying Head
N. Aoyama, A. Ajan, K. Sato, T. Tanaka, Y. Miyaguchi, K. Tsumagari, T. Morita, T. Nishihashi, A. Tanaka, T. Uzumaki,
IEEE Trans. Magn., 46(9), 3648-3651, Sep. 2010

Magnetization suppression in Co/Pd and CoCrPt by nitrogen ion implantation for bit patterned media fabrication
K. Sato, A. Ajan, N. Aoyama, T. Tanaka, Y. Miyaguchi, K. Tsumagari, T. Morita, T. Nishihashi, A. Tanaka, T. Uzumaki
JOURNAL OF APPLIED PHYSICS, 107(12), 123910, 22 Jun. 2010

Fabrication, Magnetic, and R/W Properties of Nitrogen-Ion-ImplantedCo/Pd and CoCrPt Bit-Patterned Medium
A. Ajan, K. Sato, N. Aoyama, T. Tanaka, Y. Miyaguchi, K. Tsumagari, T. Morita, T. Nishihashi, A. Tanaka, T. Uzumaki,
IEEE Transactions on Magnetics, 46(6), 2020-2023, Jun. 2010

Nanopattern transfer from high-density self-assembled nanosphere arrayson prepatterned substrates
H. Oshima, H. Tamura, M. Takeuchi, A. Inomata, Y. Yanagida, N. Matsushita, H. Komoriya, T. Uzumaki, A. Tanaka,
Nanotechnology, 20(45), 45303, Nov. 2009

Disk substrate deposition techniques for monodisperse chemically synthesized FePt nanoparticle media
H. Kodama, S. Momose, N. Ihara, T. Uzumaki, A. Tanaka
APPLIED PHYSICS LETTERS, 83(25), 5253-5255, 18 Jun. 2009

A strong enhancement of CPP-GMR by using large resistivity magnetic materials
A. Jogo, K. Nagasaka, T. Ibusuki, H. Oshima, Y. Shimizu, T. Uzumaki, A. Tanaka,
JMMM(Journal of Magnetism and Magnetic Materials), 310(2), 1895-1896, Mar. 2007

Current-perpendicular spin valves with high-resistivity ferromagnetic metals for ultrahigh-density magnetic recording
A. Jogo, K. Nagasaka, T. Ibusuki, Y. Shimizu, A. Tanaka, H. Oshima,
JMMM, 309(1), 80-86, Feb. 2007

A Co-SiO2 Granular Material as a New Current-Confining Layer for Current Perpendicular-to-Plane Spin Valves
A. Jogo, Y.Seyama, T. Ibusuki, K. Nagasaka, Y. Shimizu, T. Uzumaki, A. Tanaka
IEEE Trans. Magn., 42(10), 2456-2458, Oct. 2006

Magnetic orientation of chemically partially ordered FePt nanoparticles by annealing in magnetic field
S. Momose, H. Kodama, T. Sugimoto, T. Uzumaki, A. Tanaka,
Jpn J Appl Phys, 45, 6528-6533, Jan. 2006

Microstructure improvement of thin Ru underlayer for CoCrPt-SiO/sub 2/ granular perpendicular media
R. Mukai, T. Uzumaki, A. Tanaka
IEEE Transactions on Magnetics, 41(10), 3169-3171, Nov. 2005

Novel synthetic ferrimagnet pinned Layers for metallic CPP spin valves requiring high pinning-field and output
H. Oshima, K. Nagasaka, A. Jogo, T. Ibusuki, Y. Shimizu, A. Tanaka,
Magnetics, IEEE Transactions on, 41(10), 2929-2931, Oct. 2005

Chemically synthesized FePt nanoparticle material for ultrahigh-density recording
H. Kodama, S. Momose, T. Sugimoto, T. Uzumaki, A. Tanaka
Magnetics, IEEE Transactions on, 41(2), 665-669, 22 Feb. 2005

Fine tuning of the sizes of FePt nanoparticles
S. Momose, H. Kodama, T. Uzumaki, A. Tanaka
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS&REVIEW PAPERS, 44, 1147-1149, 08 Feb. 2005

Recording characteristics of CoPtCr–SiO2 perpendicular media
K. Shimoda, T. Sugimito, R. Inamura, T. Oshima, D. Kaneko, S. Takefusa, T. Uzumaki, A. Tanaka
Journal of Magnetism and Magnetic Materials, 287, 176-180, Feb. 2005

A magnetic force microscope using CoFe-coated carbon nanotube probes
H. Kuramochi,, T. Uzumaki, M. Yasutake, A. Tanaka, H. Akinaga, H. Yokoyama
Nanotechnology, 16(1), 24-27, 30 Nov. 2004

Magnetic properties of magnetically isolated L10-FePt nanoparticles
S. Momose, H. Kodama, T. Uzumaki, A. Tanaka
APPLIED PHYSICS LETTERS, 85(10), 1748-1750, 06 Jul. 2004

Readout performance of confined-current-path current-perpendicular-to-plane heads
A. Tanaka, Y. Seyama, A. Jogo, R. Kondo, H. Kishi, C. Kamata, Y. Shimizu, S. Eguchi, K. Satoh
IEEE Trans. Magn., 40(1), 206-206, Jan. 2004

L1(0)-FePt nanoparticles in a magnetically isolated state
S. Momose, H. Kodama, N. Ihara, T. Uzumaki, A. Tanaka
Japanese Journal of Applied Physics, 42(10B), 1252-1254, 15 Oct. 2003

Current-perpendicular spin valves with partially oxidized magnetic layers for ultrahigh-density magnetic recording
H. Oshima, K. Nagasaka, Y. Seyama, A. Jogo, Y. Shimizu, A. Tanaka, Y. Miura
IEEE Trans. Magn., 39(5), 2377-2380, 23 Sep. 2003

Monolayer of physically separated FePt islands with a tetragonal L1/sub 0/ structure produced by thermally created mass transport
R. Mukai, T. Uzumaki, A. Tanaka
IEEE Trans. Magn., 39(4), 1925-1929, 15 Jul. 2003

Increase of the resistivity of electroless-deposited high-B-s CoNiFeB thin films
M. Sobue, T. Segawa, T. Yokoshima, T. Osaka, D. Kaneko, A. Tanaka
IEEE Trans. Magn., 38(5), 2228-2230, 10 Dec. 2002

Spin filtering effect at inserted interfaces in perpendicular spin valves
H. Oshima, K. Nagasaka, Y. Seyama, Y. Shimizu, and A. Tanaka
Phys. Rev. B, 66(14), 140404, 29 Oct. 2002

Spin-valve heads in the current-perpendicular-to-plane mode for ultra-high-density recording
A. Tanaka, Y. Shimizu, Y. Seyama, K. Nagasaka, R. Kondo, H. Oshima, S. Eguchi, and H. Kanai
IEEE Trans. Magn., 38(1), 84-88, 2002

Micropattern formation for magnetic recordinghead using electroless CoFeB deposition
T. Yokoshima, S. Nakamura, D. Kaneko, T. Osaka, S. Takefusa, A. Tanaka
Journal of The Electrochemical Society, 149(8), C375-C382, 2002

Perpendicular giant magnetoresistance of CoFeB/Cu single and dual spin-valve films
H. Oshima, K. Nagasaka, Y. Seyama, Y. Shimizu, S. Eguchi, and A. Tanaka
J. Appl. Phys., 91(10), 8105, 2002

CPP Operational mode of GMR Head
K. Nagasaka, Y. Seyama, R. Kondo, H. Oshima, Y. Shimizu, A. Tanaka
Fujitsu Scientific&Technology Journal, 37(2), 192-200, 2001

Giant magnetroresistance properties of specular spin valve films in a current perpendicular to plane structure
K. Nagasaka, Y. Seyama, L. Varga, Y. Shimizu, and A. Tanaka
J. Appl. Phys, 89(11), 6943, 2001

Temperature dependence of the exchange-bias field of ferromagnetic layers coupled with antiferromagnetic layers
C. Hou, H. Fujiwara, K. Zhang, A. Tanaka, and Y. Shimizu
Phys. Rev. B, 63(2), 024411, 15 Dec. 2000

The temperature dependence of exchange anisotropy in ferromagnetic/PdPtMn bilayers
K. Nagasaka, L. Varga, Y. Shimizu, S. Eguchi, and A. Tanaka
J. Appl. Phys., 87(9), 6433-6435, May 2000

Spin valve films with PdPtMn antiferromagnetic layer fabricated using ultra-high vacuum sputtering process
Y. Shimizu, A. Tanaka, M. Oshiki,and Y. Kataoka
IEEETrans. Magn., 35(5), 2622-224, Sep. 1999

Giant magnetoresistance properties of CoFe/Cu Multilaer in CPP (Current Perpendicular to the Plane)geometry
Y. Seyama, A. Tanaka, and M. Oshiki
IEEE Trans. Magn., 35(5), 2838-2840, Sep. 1999

Magnetic dispersion in exchange coupled PdPtMn/CoFe bilayer
L. Varga, A. Tanaka, K.Nagasaka, and Y. Shimizu
IEEE Trans. Magn., 35(5), 2976-2978, Sep. 1999

Top, bottom, and dual spin valve recording heads with PdPtMn antiferromagnets
Y. Shimizu, H. Kishi, K. Nagasaka, H. Kanai, M. Oshiki
IEEE Trans. Magn., 35(2), 700-705, Mar. 1999

High frequency permeability of patterned spin valve type thin films
L. Varga, A. Tanaka, K. Nagasaka, and R. Kondo
J. Appl. Phys., 85, 5852, 1999

Exchange coupling properties between ordered antiferromagnetic PdPtMn and NiFe films
A. Tanaka, Y. Shimizu, H. Kishi, K. Nagasaka, C. Hou, H. Fujiwara
Proceeding of Materials Research Society, 1998 spring meeting, 25-30, 1998

Dual spin-valve with Pd-Pt-Mn antiferromagnetic layer
A.Tanaka, Y. Shimizu, H.Kishi, K. Nagasaki, M. Oshiki
IEEE Trans. Magn., 33(5), 3592-3594, Sep. 1997

Study of Exchange-Coupled Bias Field in Ni-Fe/Pd-Pt-Mn Thin Films
H. Kishi, Y. Kitade, Y. Miyake, A. Tanaka, K. Kobayshi
IEEE Trans. Magn., 32(5), 3380-3382, Sep. 1996

Giant magnetoresistance properties in multilayered Co-Ag/Cu granular alloys
Makoto Iijima, Yutaka Shimizu, Naomi Kojima, Atsushi Tanaka, and Kazuo Kobayashi
J. Appl. Phys., 79(8), 5602-5604, Apr. 1996

High-frequency response in Bi-based superconducting microstriplines
A. Tanaka, N. Kamehara, K. Niwa
Fujitsu Sci Tech J, 28(3), 329-334, Sep. 1992

Microwave properties in thin-films of Bi-based superconductors
A. Tanaka, N. Kamehara, K. Niwa
Physica C, 185, 2567-2568, Dec. 1991

High-frequency transmission through Bi-Sr-Ca-Cu-O double-sided microstripline on anMgO substrate
A. Tanaka, J. Crain, and K. Niwa
Jpn. J. Appl. Phys., 30, L700-L702, 05 May 1991

Magneticrelaxation in the 110 K superconducting phase in Bi-Sr-Ca-Cu-O thin films
A. Tanaka, J. Crain, and K. Niwa
Appl. Phys. Lett., 57(9), 917-919, 15 Jun. 1990

Synthesis of single phased Bi-Pb-Sr-Ca-Cu-O superconductor
K. Niwa, T. Uzimaki, A. Tanaka, N. Kamehara, K. Yamanaka
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 184(1), 325-333, 1990

Composition dependence of high Tc phase formation in Pb-doped Bi-Sr-Ca-Cu-O thin films
A. Tanaka, N. Kamehara, and K. Niwa
Appl. Phys. Lett., 55(12), 1252-1254, 1989

Pb-doped Bi-Sr-Ca-Cu-O thin films
A. Tanaka, T. Machi, N. Kamehara, and K. Niwa
Appl. Phys. Lett., 54(14), 1362-1364, 1989

Analysis of local ion concentration near membrane by dynamic complex impedance measurement in electrolyte / reverse osmosis membrane system
A. Tanaka, H. Tatsumi, K. Teshima
Materials Research Meeting 2019, 12 Dec. 2019

The Magnetics Society of Japan

The Chemical Society of Japan

The Japan Society of Applied Physics

The Electrochemical Society of Japan

The Membrane Society of Japan

逆浸透膜のオペランドインピーダンス解析によるイオン分離機能の劣化メカニズム解明
科学研究費補助金, 基盤研究（C)
2018 - 2020

稠密結晶層電極／固体電解質界面における非線形輸送現象の評価解析に関する研究
科学研究費補助金
2014 - 2015