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TANAKA Atsushi

Academic OrganizationAcademic Assembly School of Science and Technology Institute of EngineeringTEL+81-(0)26-269-5736
Education and Research OrganizationInterdisciplinary Cluster for Cutting Edge Research Research Initiative for Supra-MaterialsFAX
PositionProfessorMail Addressattanaka@shinshu-u.ac.jp
Address4-17-1, Wakasato, Nagano City 380-8553Web sitehttp://www.shinshu-u.ac.jp/project/xbreed/research/accumulation.html

Profile

Research Field
Nanostructured materials
Nanomaterials engineering
Membrane Engineering for Water Treatment
Nanostructured electronic and magnetic materials
Ionic conduction materials and their properties
Academic Societies
Academic Societies
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
Academic Background
Graduate School
Tohoku University , (Graduate School of Engineering,) , 2002
The University of Tokyo , (Department of Applied Physics , Graduate School of Engineering) , 1981

College
The University of Tokyo , (Faculty of Engineering) , 1979

Degree
Docter , Tohoku University

Research

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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


Micropattern formation for magnetic recordinghead using electroless CoFeB deposition
JOURNAL OF THE ELECTROCHEMICAL SOCIETY,149(8):C375-C382 2002
Author:T. Yokoshima, S. Nakamura, D. Kaneko, T. Osaka, S. Takefusa, A. Tanaka


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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

Research Grants
Grants‐in‐aid for Scientific Research(Research Representative)
2018 - 2020 , 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
2014 - 2015 , 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