D. Watanabe, S. Mizukami, F. Wu, M. Oogane, H. Naganuma, Y. Ando, and Y.
Miyazaki, "Interlayer exchange coupling in perpendicularly magnetized
synthetic ferrimagnet structure using CoCrPt and CoFeB", J. Phys.
Conf. Ser., 200 (2010) 072104.
F. Wu, S. Mizukami, D. Watanabe, H. Naganuma, M. Oogane, Y. Ando, and T.
Miyazaki, "Structural and magnetic properties of Mn2.5Ga films", J. Phys. Conf. Ser., 200 (2010) 062037.
Takuya Ono, Hiroshi Naganuma, Mikihiko Oogane, and Yasuo Ando, "Synthetic
CoFeB/Ru/NiFe free layer on MgO barrier layer for spin transfer switching",
J. Phys. Conf. Ser., 200 (2010) 062019.
S. Mizukami, S. Tsunegi, T. Kubota, M. Oogane, D. Watanabe, H. Naganuma,
Y. Ando, and T. Miyazaki, "Ultrafast demagnetization for Ni80Fe20 and half-metallic Co2MnSi Heusler alloy films", J. Phys. Conf. Ser., 200 (2010) 042017.
Y. Ohdaira, M. Oogane, H. Naganuma, and Y. Ando, "Spin transistor
based on double tunnel junctions using half-metallic Co2MnSi electrodes", J. Phys. Conf. Ser., 200 (2010) 052019.
M. Nishimura, M. Oogane, H. Naganuma, N. Inami, S. Ikeda, H. Ohno, and
Y. Ando, "Spin-transfer switching in magnetic tunnel junctions with
synthetic ferri-magnetic free layer", J. Phys. Conf. Ser., 200 (2010)
052018.
G. Kim, T. Hiratsuka, H. Naganuma, M. Oogane, and Y. Ando, "Magnetoresistance
of perpendicularly magnetized tunnel junction using L10-CoNiPt with low saturation magnetization", J. Phys. Conf. Ser., 200
(2010) 052011.
L. X. Jiang, H. Naganuma, M. Oogane, K. Fujiwara, T. Miyazaki, K. Sato,
T. J. Konno, S. Mizukami, and Y. Ando, "Magnetotransport properties
of CoFeB/MgO/CoFe/MgO/CoFeB double barrier magnetic tunnel junctions with
large negative magnetoresistance at room temperature", J. Phys. Conf.
Ser., 200 (2010) 052009.
N. Inami, G. Kim, T. Hiratsuka, H. Naganuma, M. Oogane, and Y. Ando, "Structural,
Magnetic, and Magnetotransport Properties of FePt/MgO/CoPt Perpendicularly
Magnetized Tunnel Junctions", J. Phys. Conf. Ser., 200 (2010) 052008.
M. A. I. Nahid, M. Oogane, H. Naganuma, and Y. Ando, "The effect of
MgO barrier on the structure and magnetic properties of Co2MnSi films on n-Si(100) substrates", J. Appl. Phys., 106 (2009) 103907.
M. A. I. Nahid, M. Oogane, H. Naganuma, and Y. Ando, "Study of Structure,
Magnetic and Electrical Properties of Co2MnSi Heusler Alloy Thin Films onto n-Si Substrates", IEEE Trans. Magn.,
45 (2009) 4030.
M. A. I. Nahid, M. Oogane, H. Naganuma, and Y. Ando, "Structural and
magnetic properties of Co2MnSi alloy thin films", Jpn. J. of Appl. Phys., 48 (2009) 083002.
L. Jiang, H. Naganuma, M. Oogane, and Y. Ando, "Large Tunnel Magnetoresistance
of 1056% at Room Temperature in MgO Based Double Barrier Magnetic Tunnel
Junction", Appl. Phys. Exp., 2 (2009) 083002.
S. Tsunegi, Y. Sakuraba, M. Oogane, H. Naganuma, K. Takanashi, and Y. Ando,
"Enhancement in tunnel magnetoresistance effect by inserting CoFeB
to the tunneling barrier interface in Co2MnSi/MgO/CoFe magnetic tunnel junctions", Appl. Phys. Lett., 94 (2009)
252503.
O. Gaier, J. Hamrle, B. Hillebrands, M. Kallmayer, P. Pörsch, G. Schönhense,
H. J. Elmers, J. Fassbender, A. Gloskovskii, C. A. Jenkins, C. Felser,
E. Ikenaga, Y. Sakuraba, S. Tsunegi, M. Oogane, and Y. Ando, "Improvement
of structural, electronic, and magnetic properties of Co2MnSi thin films by He+ irradiation", Appl. Phys. Lett., 94 (2009) 152508.
S. Tsunegi, Y. Sakuraba, M. Oogane, N. D. Telling, L. R. Shelfold, E. Arenholz,
G van der Laan, R. J. Hicken, K. Takanashi and Y. Ando, "Tunnel magnetoresistance
in epitaxially grown magnetic tunnel junctions using Heusler alloy electrode
and MgO barrier", J. Phys. D: Appl. Phys., 42 (2009) 195004.
S. Ouardi, A. Gloskovskii, B. Balke, C. A. Jenkins, J. Barth, G. H. Fecher,
C. Felser, M. Gorgoi, M. Mertin, F. Schäfers, E. Ikenaga, K. Yang, K. Kobayashi,
T. Kubota, M. Oogane, and Y. Ando, "Electronic properties of Co2MnSi thin films studied by hard x-ray photoelectron spectroscopy",
J. Phys. D: Appl. Phys., 42 (2009) 084011.
J. Hamrle, O. Gaier, Seong-Gi Min, B. Hillebrands, Y. Sakuraba, and Y.
Ando, "Determination of exchange constants of Heusler compounds by
Brillouin light scattering spectroscopy: application to Co2MnSi", J. Phys. D: Appl. Phys., 42 (2009) 084005.
Hiroshi Naganuma, Tomosato Okubo, Shota Sekiguchi, Yasuo Ando, and Soichiro
Okamura, "Structural, magnetic and ferroelectric properties of multiferroic
BiFeO3-based composite films with exchange bias", J. Appl. Phys., 105 (2009)
07D903.
H. Naganuma, S. Yasui, K. Nishida, T. Iijima, H. Shima, S. Okumura, H. Funakubo, T. Miyazaki, I.-T. Bae, H. A. Begum, S. Tsunegi, M. Oogane, S. Mizukami, and Y. Ando, "Structural, Ferroelectric, and Magnetic Properties of BiFeO3-BiCoO3 Solid Solution Films", 第33回日本磁気学会学術講演会, 長崎 (2009年9月13日).
H. Naganuma, S. Yasui, H. Funakubo, T. Iijima, S. Mizukami, M. Oogane, Y. Ando, and S. Okamura, "BiFeO3-BiCoO3 SOLID SOLUTION FILMS FOR SPINTRONICS APPLICATIONS", Joint-meeting
of 12th International Meeting on Ferroelectricity and 18th IEEE International
Symposium on Applications of Ferroelectrics (IMF-ISAF), Xi’an, China (24th
Aug 2009).
2009年度 国際会議
11th Joint MMM-Intermag Conference, Washington D.C. (18-22nd Jan 2010)
Tatsuya Aoki, Yasuo Ando, Mikihiko Oogane and Hiroshi Naganuma, "Reproducible trajectory in sub ns spin transfer switching for MgO based magnetic tunnel junctions under zero biasing field".
M. A. I. Nahid, Mikihiko Oogane, Hiroshi Naganuma and Yasuo Ando, "The effect of doping concentration of Si on the nature of barrier of Co2MnSi/MgO/n-Si junctions".
LiXian Jiang, Hiroshi Naganuma, Mikihiko Oogane, Yasuo Ando and Tadashi Morita, "Giant tunneling magnetoresistance of 1056% at RT in double barrier magnetic tunnel junctions with MgO barrier".
Nobuhito Inami, Hiroshi Naganuma, Takamichi Miyazaki, Kazuhisa Sato, Toyohiko J. Konno, Gukcheon Kim, Mikihiko Oogane, Yasuo Ando, "Characterization of Perpendicularly Magnetized Magnetic Tunnel Junction with L10-ordered FePt and CoPt electrodes".
Takahide Kubota, K. Kodama, T. Nakamura, Y. Sakuraba, M. Oogane, K. Takanashi, Y. Ando, "Investigation of ferrimagnetism in Mn2VAl Heusler epitaxial thin film".
Daisuke Ogawa, K. Koike, T. Akiya, T. Miyazaki, M. Oogane, Y. Ando and H. Kato, "Structure and exchange-coupling in Nd2Fe14B thin films grown on α-Fe(100)".
20th International Colloquim on Magnetic Films and Surfaces, Berlin, Germany
(20-24th Jul 2009)
T. Ono, H. Naganuma, M. Oogane, and Y. Ando, "Spin Transfer Switching of Synthetic CoFeB/Ru/NiFe Free Layer with MgO Barrier".
S. Mizukami, D. Watanabe, F. Wu, M. Oogane, H. Naganuma, Y. Ando, and T. Miyazaki, "Fast Magnetization Dynamics in Perpendicularly Magnetized Pt/Co/Pt Films Measured by All-Optical Pump-Probe Technique".
S. Tsunegi, Y. Sakuraba, M. Oogane, H. Naganuma, N. Inami, K. Takanashi, and Y. Ando, "The effect of inserting thin CoFeB layer into Co2MnSi/MgO interface on TMR effect".
T. Kubota, S. Tsunegi, M. Oogane, S. Mizukami, T. Miyazaki, H. Naganuma, and Y. Ando, "Composition dependence of half-metallicity in tunneling transport properties and Gilbert damping constant in Co2FexMn1-xSi Heusler alloys".
G. Kim, M. Oogane, H. Naganuma, and Y. Ando, "Fabrication of magnetic tunnel junction using L10-CoNiPt with low saturation magnetization".
M. Oogane, S. Hida, S. Tsunegi, H. Naganuma, N. Inami, and Y. Ando, "Spintransfer Switching in Magnetic Tunnel Junctions with Half-metallic Heusler Alloy Electrode".
H. Naganuma, J. Miura, I.-T. Bae, S. Okumura, and Y. Ando, "Multiferroic Properties of Cobalt Substituted BiFeO3 Polycrystaline Films"
M. A. I. Nahid, M. Oogane, H. Naganuma, and Y. Ando, "Structural, Magnetic and Electrical Properties of Co2MnSi/MgO/n-Si Tunnel Junctions".
N. Inami, G. Kim, T. Hiratsuka, H. Naganuma, M. Oogane, and Y. Ando, "Characterization of FePt/MgO/CoPt Magnetic Tunnel Junction with Perpendicular Magnetoanisotropy".
Y. Ohdaira, M. Oogane, H. Naganuma, and Y. Ando, "Gate voltage dependence of tunnel magnetoresistance in spin transistor using Co2MnSi electrodes".
Joint Workshop of DFG Research Unit 559 and JST Strategic Japanese-German
Cooperative Programme, Diemerstein, Germany, 25-26th Jul 2009
Y. Ohdaira, M. Oogane, H. Naganuma, and Y. Ando, "Fabrication of spin transistor using Co2MnSi electrodes".
T. Aoki, Y. Ando, M. Oogane, and H. Naganuma, "Current-external field diagram of spin transfer switching in the adiabatic regime".
G. Kim, M. Oogane, H. Naganuma, and Y. Ando, "Tunneling magnetoresistance of magnetic tunnel junctions using perpendicular magnetization L10-CoNiPt electrodes".
T. Ono, H. Naganuma, M. Oogane, and Y. Ando, "Spin Transfer Switching of Synthetic CoFeB/Ru/NiFe Free Layer on MgO Barrier".
M. A. I. Nahid, M. Oogane, H. Naganuma, and Y. Ando, "Structural, Magnetic and Electrical Properties of Co2MnSi/MgO/n-Si Tunnel Junctions".
S. Tsunegi, Y. Sakuraba, M. Oogane, H. Naganuma, N. Inami, K. Takanashi, and Y. Ando, "Enhancement of TMR ratio by modification of Co2MnSi/MgO interface".
T. Kubota, S. Tsunegi, M. Oogane, S. Mizukami, T. Miyazaki, H. Naganuma, and Y. Ando, "Tunnel magnetoresistance effect and Gilbert damping constant in Co2FexMn1-xSi Heusler alloys depending on the film composition".
M. Oogane, S. Tsunegi, J. Sato, S. Hida, Y. Sakuraba, S. Mizukami, N. Inami, H. Naganuma, and Y. Ando, "Tunnel magnetoresistance effect in magnetic tunnel junctions using Heusler alloy electrodes".
S. Mizukami, "Gilbert damping in Heusler alloy".
International Conference on Magnetism 2009, Karlsruhe, Germany, 26-31st
Jul 2009
M. A. I. Nahid, M. Oogane, H. Naganuma, and Y. Ando, "Structural, Magnetic and Electrical Properties of Co2MnSi/MgO/n-Si Tunnel Junctions".
Y. Ohdaira, M. Oogane, H. Naganuma, and Y. Ando, "Spin transistor with structure consisting of two tunnel junctions using Co2MnSi electrodes".
N. Inami, G. Kim, T. Hiratsuka, H. Naganuma, M. Oogane, and Y. Ando, "Magnetic and Structural Properties of FePt/MgO/CoPt Perpendicular Magnetic Tunnel Junction".
S. Tsunegi, Y. Sakuraba, M. Oogane, H. Naganuma, N. Inami, K. Takanashi, and Y. Ando, "The effect of modifying Co2MnSi/MgO interface on TMR effect"
T. Aoki, Y. Ando, M. Oogane, and H. Naganuma, "Switching current-external field diagram of spin-transfer magnetization switching in the sub-ns regime".
G. Kim, M. Oogane, H. Naganuma, and Y. Ando, "Fabrication of Thin L10-CoNiPt Film with Low Saturation Magnetization".
M. Oogane, T. Kubota, S. Tsunegi, J. Sato, H. Naganuma, S. Mizukami, Y. Ando, "Magnetic Damping Constants for Half-metallic Alloy Thin Films".
S. Mizukami, S. Tsunegi, T. Kubota, M. Oogane, D. Watanabe, H. Naganuma, Y. Ando, and T. Miyazaki, "Ultrafast Demagnetization for Ni80Fe20 and Half-metallic Co2MnSi Heusler Alloy Films".
H. Naganuma, A. Ukachi, M. Oogane, S. Mizukami, and Y. Ando, "Epitaxial BiFeO3 film grown on SrTiO3(100) substrates by crystallizing amorphous Bi-Fe-Ox".
T. Ono, H. Naganuma, M. Oogane, and Y. Ando, "Synthetic CoFeB/Ru/NiFe Free Layer on MgO Barrier Layer for Spin Transfer Switching".
Others
M. Oogane, T. Kubota, S. Tsunegi, J. Sato, H. Naganuma, S. Mizukami, and
Y. Ando, "Magnetic damping of half-metallic Heusler alloys",
International Workshop and Seminar on Magnonics: From Fundamentals to Applications
2009, Dresden, Germany, 6th Aug 2009.
S. Mizukami, E. P. Sajitha, D. Watanabe, F. Wu, M. Oogane, H. Naganuma, Y. Ando, and T. Miyazaki, "Optical Study on Fast Magnetization Dynamics in Perpendicularly Magnetized Pt/Co/Pt Trilayer Films", 2009 International Conference on Solid State Devices and Materials, Sendai, 9th Oct 2009.
M. A. I. Nahid, M. Oogane, and Y. Ando, "Study of Structure and Magnetic Properties of Co2MnSi Thin Films onto Si", IEEE International Magnetic Conference, Scramento, California, USA, 4-8th May 2009.