| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| IEICE-MRIS, MMS |
2021-06-10
16:15 |
Miyagi |
RIEC, Tohoku U.
(Primary: On-site, Secondary: Online) |
Dependence of perpendicular magnetic anisotropy and magnetic Kerr effect in (Bi,La)(Fe1-xCox)O3 multiferroic thin films on Co substitution concentration against Fe
Takumi Ozeki, Daichi Yamamoto, Genta Egawa, Satoru Yoshimura (Akita Univ.) |
High saturation magnetization and perpendicular magnetic anisotropy are required for multiferroic (ferromagnetic / ferro... [more] |
MMS2021-31
pp.29-34 |
| IEICE-MRIS, MMS |
2017-10-19
15:10 |
Niigata |
Kashiwazaki energy hall, Niigata |
Micromagnetic analysis of MAMR recording head
-- Oscillation of small-sized STO with small external field --
Ryo Itagaki, Yasushi Kanai (Niigata Inst. of Tech.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) |
A micromagnetic model analysis of a spin-torque oscillator and write head for microwave-assisted magnetic recording was ... [more] |
|
| IEICE-MRIS, MMS |
2017-10-19
16:15 |
Niigata |
Kashiwazaki energy hall, Niigata |
A comparison of single phase and antiferromagnetically coupled media for microwave assisted magnetic recording
Simon Greaves (Tohoku Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) |
In microwave-assisted magnetic recording magnetostatic interactions between grains can cause the resonance frequency to ... [more] |
|
| IEICE-MRIS, MMS |
2016-06-09
13:50 |
Miyagi |
Tohoku Univ. |
Effect of oxide boundary materials on magnetic properties for CoPt-based granular media
Kim Kong Tham, Ryosuke Kushibiki (Tanaka Kikinzoku), Shintaro Hinata, Shin Saito (Tohoku Univ.) |
The magnetic properties and structures of Co80Pt20-30 vol% oxide (ZrO2, Cr2O3, Y2O3, Al2O3, MnO, TiO2, WO2, SiO2, Mn3O4,... [more] |
|
| IEICE-MRIS, MMS |
2016-06-10
10:55 |
Miyagi |
Tohoku Univ. |
Simulation of STO for microwave-assisted magnetic recording (3)
-- Optimum injected current of integrated STO --
Kazuki Abe, Yuuki Tabuse, Yasushi Kanai (NIIT), kazuetsu Yoshida (Kogakuin Univ.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) |
Micromagnetic analysis was carried out for the spin-torque oscillator (STO) used for microwave-assisted magnetic recordi... [more] |
|
| IEICE-MRIS, MMS |
2016-06-10
11:20 |
Miyagi |
Tohoku Univ. |
Micromagnetic simulation of STO for microwave-assisted magnetic recording (4)
-- Optimum injected current density of integrated STO vs. write head structure and head material characteristics --
Yuuki Tabuse, Yasushi Kanai (NIIT), Kazuetsu Yoshida (Kogakuin Univ.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) |
Micromagnetic analysis was carried out for the spin-torque oscillator (STO) used for microwave-assisted magnetic recordi... [more] |
|
| IEICE-MRIS, MMS |
2015-07-10
13:50 |
Tokyo |
Waseda Univ. |
A study on high-density recording with barium-ferrite particulate media
-- Tape Media technologies that has demonstrated an areal density of 123GBPSI --
Masahito Oyanagi, Atsushi Morooka, Masahiko Mori, Yuichi Kurihashi, Osamu Shimizu, Toshio Tada, Hiroyuki Suzuki, Takeshi Harasawa (FUJIFILM) |
We have developed an advanced Barium-ferrite tape, that has a magnetic particle volume of 1600 nm3, a perpendicular squa... [more] |
MMS2015-40
pp.13-17 |
| IEICE-MRIS, MMS |
2015-06-04
14:15 |
Tokyo |
Tohoku Univ. |
Dual free-layer spin-torque oscillator for read head application in magnetic recording
Tazumi Nagasawa, Kiwamu Kudo, Hirofumi Suto, Michinaga Yamagishi, Koichi Mizushima, Rie Sato (Toshiba RDC) |
Read heads for HDDs with areal density over 2 Tb/in2 are predicted to suffer from magnetic noises that seriously reduce ... [more] |
|
| IEICE-MRIS, MMS |
2015-06-04
16:10 |
Tokyo |
Tohoku Univ. |
A Study on Spacing of Barium Ferrite Magnetic Tape Media
Eiki Ozawa, Yuichi Kurihashi, Osamu Shimizu (Recording Media Research Laboratories, FUJIFILM Corporation) |
Barium ferrite (BaFe) tape has better write and read-back characteristics due to its small effective head/tape magnetic ... [more] |
|
| IEICE-MRIS, MMS |
2015-06-05
09:30 |
Tokyo |
Tohoku Univ. |
Performance evaluation of multi-input multi-output Viterbi detector for TDMR
Tadayoshi Kondoh, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) |
Two-dimensinal magnetic recording (TDMR) which combines shingled magnetic recording (SMR) with two-dimensional signal pr... [more] |
|
| IEICE-MRIS, MMS |
2015-06-05
11:25 |
Tokyo |
Tohoku Univ. |
Post-annealing effect on magnetic properties and microstructures of CoPt based granular media
Kim Kong Tham (TKK), Shintaro Hinata, Shin Saito (Tohoku Univ.) |
Magnetic properties and microstructure of Co80Pt20−30 vol.% (Al2O3, TiO2, WO3) and Co82.4Pt17.6−27.7 vol.% S... [more] |
|
| IEICE-MRIS, MMS |
2014-12-12
11:20 |
Ehime |
Ehime Univ. |
Demand for Engineers on Magnetic Recording
Yoshitake Kurihara (NIT Kagawa Col.) |
Nowadays Japanese economy is recovering. There may be a shortage of engineers in Japan.
Magnetic recording technology ... [more] |
MMS2014-16
pp.79-86 |
| IEICE-MRIS, MMS |
2014-07-17
15:20 |
Tokyo |
Tokyo Institute of Technology |
A study on high-density recording with barium-ferrite particulate tape
Masahito Oyanagi, Takeshi Harasawa, Yuichi Kurihashi, Osamu Shimizu (FUJIFILM) |
We have developed an advanced Barium-ferrite tape, which has magnetic particle volume of 1600nm3, surface roughness Ra o... [more] |
MMS2014-13
pp.29-32 |
| IEICE-MRIS, MMS |
2013-12-13
10:15 |
Ehime |
Ehime Univ. |
Recording field analysis of a magnetic write head for thermally-assisted magnetic recording assuming shingled writing scheme
Hidekazu Tamura, Yasushi Kanai (Niigata Inst. of Tech.), Kiyoshi Yamakawa (AIT), Kazuetsu Yoshida (Kogakuin Univ), Simon Greaves, Hiroaki Muraoka (Tohoku Univ) |
Recording field analysis of magnetic recording head in thermally-assisted magnetic recording (TAMR). Static recording fi... [more] |
|
| IEICE-MRIS, MMS |
2013-12-13
11:00 |
Ehime |
Ehime Univ. |
[Invited Talk]
Thermally Assisted Magnetic Recording Applying Surface Plasmon
Katsuji Nakagawa (Nihon Univ.) |
Thermally Assisted Magnetic Recording (TAMR) has been studied as one of future technologies for magnetic recording. TAMR... [more] |
|
| IEICE-MRIS, MMS |
2010-11-26
13:00 |
Tokyo |
Waseda Univ. |
Narrow track microwave assisted magnetic recording simulation on granular type media
Ayumu Kato, Naoyuki Narita, Tanaka Terumitsu (Kyushu Univ.), Yukio Nozaki (Keio Univ.), Yasushi Kanai (NIIT), Kimihide Matsuyama (Kyushu Univ.) |
Microwave assisted magnetic recording(MAMR) is one of the candidates for realizing ultrahigh density recording over Tbit... [more] |
|
| IEICE-MRIS, MMS |
2010-11-26
16:25 |
Tokyo |
Waseda Univ. |
[Invited Talk]
Fabrication of ridge-and-groove servo pattern consisting of self-assembled dots for 2.5Tb/in2 bit patterned media
Yoshiyuki Kamata, Akira Kikitsu, Naoko Kihara (Toshiba corp.) |
Bit patterned media (BPM) is fabricated by a directed self-assembled polymer mask. CoPt magnetic dots with 17 nm pitch (... [more] |
|
| MMS, IEICE-MRIS |
2010-06-10
14:00 |
Miyagi |
RIEC Tohoku Univ. |
MR ratio and RA design of CPP-MR film for over 2Tb/in2 read sensors
Masayuki Takagishi, Kenichiro Yamada, Hitoshi Iwasaki, Hiromi Nu Fuke, Susumu Hashimoto (Toshiba) |
We estimated the current perpendicular to plane (CPP)-MR performance target required for HDD with areal density from 2Tb... [more] |
|
| MMS, IEICE-MRIS |
2010-06-10
15:15 |
Miyagi |
RIEC Tohoku Univ. |
Effect of Transition Curvature on Signal Quality for Narrow Track Recording
Masato Shiimoto, Hiroyuki Katada, Yosuke Urakami, Mitsuhiro Hashimoto, Mikito Sugiyama, Takayuki Ichihara, Kazuhiro Nakamoto, Yasutaka Nishida (Hitachi Ltd.) |
We investigated the effect of transition curvature on track edge noise through experiments and calculations. We measured... [more] |
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