Masahiro Tobise

J-GLOBAL         Last updated: May 5, 2019 at 11:53
 
Avatar
Name
Masahiro Tobise
Affiliation
Tohoku University
Research funding number
30766762

Published Papers

 
Challenge to the synthesis of -(Fe, Co)16N2 nanoparticles obtained by hydrogen reduction and subsequent nitrogenation starting from -(Fe, Co)OOH
Masahiro Tobise, Shin Saito, Masaaki Doi
AIP Advances   9 035233   Mar 2019   [Refereed]
Masahiro Tobise
Journal of Magntics Society of Japan   41(3) 58-62   2017
安原聡, 進藤大輔, 飛世正博
日本金属学会誌   68(5) 320-325   May 2004
Microstructures and magnetic domain structures of isotropic and anisotropic Sm-Fe-N bonded magnets were investigated by transmission electron microscopy and electron holography, respectively. In addition to mechanical polishing, ion-milling and fo...
M. Tobise, M. Tobise, M. Shindoh, H. Okajima, K. Iwasaki, M. Tokunaga, Z. Liu, K. Hiraga
IEEE Transactions on Magnetics   35 3259-3261   Dec 1999
Thermal stability of HDDR processed Sm-Fe-Ti-B-N bonded magnets is Investigated In comparison with HDDR processed Sm-Fe-N bonded magnets. Temperature coefficients of Br and iHc of Sra-Fe-Tl-B-N bonded magnet are -0.06 %/°C and -0.43 %,<°C, respect...
Zheng Liu, Tetsu Ohsuna, Kenji Hiraga, Masahiro Tobise
Journal of Alloys and Compounds   288 277-285   Jun 1999
The structures of Sm8.3Fe85.2B2.0Ti4.5and Sm9.4Fe84.1B2.0Ti4.5alloys, which show superior properties as isotropic permanent magnets after a hydrogenation-disproportion-desorption-recombination (HDDR) process followed by a nitridation, have been in...
Zheng Liu, Tetsu Ohsuna, Kenjihi Raca, Masahiro Tobise
Philosophical Magazine Letters   79 729-734   Jan 1999
In the course of a study on microstructural changes in SmaFen during a hydrogenation-disproportionation-desorption-recombination process, a peculiar microstructure has been observed just after the hydrogenation- disproportionation processing. SmH2...
T. Ishiguro, T. Sato, T. Iwashita, S. Yamada, Y. Ichinose, T. Shinohara, M. Tobise, H. Hagiwara
Journal of Magnetism and Magnetic Materials   155 256-260   Jan 1996
Quantitative measurements of the (00.2) pole density distribution (PDD) of hexagonal Co-Cr-Ta alloy thin films on different kinds of substrates under different sputtering conditions have been performed using the X-ray diffraction method. The sputt...
B. Lal, M. Tobise, T. Shinohara
IEEE Transactions on Magnetics   30 3954-3956   Nov 1994
A process has been developed which uses very thin Cr-underlayer for CoCrTa-media for high-density recording. The media sputtered using this technique revealed that by decreasing Cr-underlayer thickness from 2000angstrom to 200angstrom, orientation...
M. Takahashi, M. Tobise, Y. Sugawara
IEEE Translation Journal on Magnetics in Japan   7 51-56   Jan 1992
We investigated the magnetic properties of melt-spun Pr2Fe14C and several pseudoternary compounds of the types Pr2(Fe,M) 14C and (Pr,R) 2Fe14C. A value for iHc of approximately 1.3 kOe was obtained in Pr2Fe13MnC alloy ribbons. Heavy rare earth sub...
J. Woods, M. Tobise, R C. O'Handley
Rev. Sci. Instrum.   60(4) 688-692   1989   [Refereed]
M. Endoh, M. Tobise, M. Tokunaga
Journal of Magnetism and Magnetic Materials   75 349-354   Dec 1988
Uniaxially anisotropic Nd-Fe-B magnets have been obtained from the boronization of magnetically aligned Nd-Fe powders. The powders of B, Fe3B7and Fe5B5have been used as a boron source. The X-ray diffraction spectra indicate that the c-axis of Nd2F...
J. Woods. A. Ushioda, M. M. Donavan, S. W. Sun, M. Tobise, R. C. O'Handley
J. Appl. Phys.   63(8) 3669-3671   1988   [Refereed]
M. Tokunaga, M. Tobise, N. Meguro, H. Harada
IEEE Transactions on Magnetics   22 904-909   Jan 1986
The microstructure including grain boundaries of (NdO.86Dy0.14)(Fe0.92B0.08)z sintered magnets was studied using FE-SEM, AES and TEM. It is revealed that there is a composition fluctuation in the R rich phase, and that there is a BCC phase with a=...

Misc

 
飛世正博, 斉藤伸
日本磁気学会学術講演概要集   42nd 196   Aug 2018
飛世正博, 斉藤伸
日本磁気学会学術講演概要集   41st 75   Sep 2017
飛世正博, 斉藤伸
日本磁気学会学術講演概要集   40th 162   Aug 2016
飛世正博, 小川智之, 斉藤伸
日本磁気学会学術講演概要集   39th 44   Aug 2015
山村和広, 飛世正博
日立金属技報   27 14-19   Feb 2011
山村和広, 飛世正博
日本金属学会講演概要   146th 224   Mar 2010
赤瀬善太郎, 進藤大輔, 井上雅夫, 飛世正博
日本金属学会講演概要   141st 423   Sep 2007
TOKUNAGA M., IRIYAMA T., TAKAYAMA A., TERADA H., ARIIZUMI T., SHIMADA M., YAMAMOTO H., NAKAYAMA R., TOBISE M., HOTTA K., FUKUNAGA H., YAMASHITA F., YAMASAKI M.
電気学会研究会資料. MAG, マグネティックス研究会   2004(70) 15-20   Mar 2004
飛世正博, 新藤幹夫, 岩崎克典, 岡島弘, 谷川茂穂
まてりあ   41(2) 117-119   Feb 2002
LIU Z, 大砂哲, 平賀賢二, 飛世正博
まてりあ   40(12) 1022   Dec 2001
LIU Zheng, OHSUNA Tetsu, HIRAGA Kenji, TOBISE Masahiro
Materia Japan   40(12)    Dec 2001
新藤幹夫, 飛世正博, 谷川茂穂, 岡島弘
Mater Integr   14(6) 3-7   Jun 2001
飛世正博, 新藤幹夫, 岡島弘, 岩崎克典
日立金属技報   16(16) 61-64   Jan 2000
M. Tobise, M. Shindoh, H. Okajima, K. Iwasaki, M. Tokunaga, Z. Liu, K. Hiraga
Digests of the Intermag Conference      Dec 1999
In this study, the thermal stability of Sm-Fe-Ti-B-N compounds was studied in comparison to Sm-Fe-N ones with different coercivities. The corrosion resistance exposed at 125°C in air was examined. The Sm-Fe-Ti-B-N bonded magnet exhibited superior ...
新藤幹夫, 岡島弘, 飛世正博
日立金属技報   15(15) 59-64   Jan 1999
TOBISE M., IWASAKI K., SHINDOH M., OKAJIMA H., TOKUNAGA M., LIU Z., HIRAGA K.
日本応用磁気学会学術講演概要集 = Digest of ... annual conference on magnetics in Japan   22    Sep 1998
飛世正博, 萩原英俊, LAL B, 篠原肇
日立金属技報   11 31-34   Jan 1995
飛世正博, 萩原英俊, 伊藤康平, BRIJ L
日立金属技報   10(10) 39-44   Jan 1994
飛世正博, 篠原肇
月刊Semiconductor World   11(5) 128-131   Apr 1992
高橋研, 飛世正博, 菅原喜和
日本応用磁気学会誌   15(2) 253-256   Apr 1991