[21p-C501-1~19] 10.3 Spin devices, magnetic memories and storages | The 84th JSAP Autumn Meeting 2023

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Oral presentation10 Spintronics and Magnetics : 10.3 Spin devices, magnetic memories and storages

[21p-C501-1~19]10.3 Spin devices, magnetic memories and storages

Thu. Sep 21, 2023 1:30 PM - 6:45 PM JST
Thu. Sep 21, 2023 4:30 AM - 9:45 AM UTC

C501 (Int'l Ctr.)

Shinji Miwa(Univ. of Tokyo), Tatsuya Yamamoto(AIST), Yuichiro Kurokawa(九大)

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[21p-C501-1][Young Scientist Presentation Award Speech] Tunnel magnetoresistance sensor using CoFeSiB soft magnetic layer

〇Takafumi Nakano¹, Kosuke Fujiwara², Seiji Kumagai², Yasuo Ando^1,3, Mikihiko Oogane^1,3 (1.Tohoku Univ., 2.SSF Corp., 3.CSIS, Tohoku Univ.)

1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)English Presentation

[21p-C501-2]High thermal tolerance and over 230% magnetoresistance in perpendicularly magnetized magnetic tunnel junction using an Mg₄₀Fe₁₀O₅₀ barrier

〇Tatsuya Yamamoto¹, Tomohiro Ichinose¹, Jun Uzuhashi², Takayuki Nozaki¹, Tadakatsu Ohkubo², Kay Yakushiji¹, Shingo Tamaru¹, Hitoshi Kubota¹, Shinji Yuasa¹ (1.AIST, 2.NIMS)

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)English Presentation

[21p-C501-3]Investigation on shape of free layers to improve sensitivity in magnetic-vortex-type TMR sensors

〇Seiya Takano¹, Takafumi Nakano¹, Muftah Al-Mahdawi², Mikihiko Oogane¹ (1.Graduate School of Engineering, Tohoku Univ., 2.CSIS, Tohoku Univ.)

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[21p-C501-4]Observation of a tunnel magnetoresistance ratio exceeding 630% at room temperature

Thomas Scheike¹, Zhenchao Wen¹, 〇Hiroaki Sukegawa¹, Seiji Mitani¹ (1.NIMS)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[21p-C501-5]Bias voltage robustness in double-free-layer stochastic magnetic tunnel junction

〇Rikuto Ota^1,2, Keito Kobayashi^1,2, Keisuke Hayakawa^1,2, Shun Kanai^{1,2,3,4,5,6,7}, Kerem Camsari⁸, Hideo Ohno^1,3,4,9, Shunsuke Fukami^1,2,3,4,9,10 (1.LNS, RIEC, Tohoku Univ., 2.Grad. School Eng., Tohoku Univ., 3.CSIS, Tohoku Univ., 4.WPI-AIMR, Tohoku Univ., 5.JST-PRESTO, 6.DEFS, Tohoku Univ., 7.QST, 8.Dept. Elec. and Comp. Eng., UCSB., 9.CIES, Tohoku Univ., 10.InaRIS)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[21p-C501-6]Temperature dependence of the switching attempt time of superparamagnetic tunnel junctions

〇Haruna Kaneko^1,2, Rikuto Ota^1,2, Keito Kobayashi^1,2, Shun Kanai^{1,2,3,4,5,6,7}, Mehrdad Elyasi^5,6,8, Gerrit Bauer^5,6,8,9, Hideo Ohno^1,5,6,10, Shunsuke Fukami^{1,2,5,6,10,11} (1.RIEC, Tohoku Univ., 2.Grad. School of Eng., Tohoku Univ., 3.JST PRESTO, 4.DEFS, Tohoku Univ., 5.CSIS, Tohoku Univ., 6.WPI-AIMR, Tohoku Univ., 7.QST, 8.IMR, Tohoku Univ., 9.Kavli ITS, UCAS, 10.CIES, Tohoku Univ., 11.InaRIS)

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[21p-C501-7]Quantum-annealing approach for design of magnetic tunnel junction: Case study of inverse-spinel MgGa₂O₄ tunnel barrier

〇Kenji Nawa^1,2, Tsuyoshi Suzuki³, Keisuke Masuda², Shu Tanaka^4,5, Yoshio miura^2,6 (1.Mie Univ., 2.NIMS, 3.TDK Corp., 4.Keio Univ., 5.WPI-Bio2Q, Keio Univ., 6.CSRN, Osaka Univ.)

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[21p-C501-8]Evaluation of structural, electrical and magnetic properties in nanoscale junctions using high-mobility molecules

〇Mizuki Matsuzaka¹, Takahiro Misawa², Ryunosuke Miyamoto¹, Zijing Zhang¹, Kenta Sato¹, Yuma Sasaki², Junji Nishii², Hideo Kaiju^1,3 (1.Keio Univ., 2.RIES, Hokkaido Univ., 3.CSRN, Keio Univ.)

3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)English Presentation

[21p-C501-9]Self-induced current trap of spin torque oscillation

〇Takahiko Makiuchi¹, Naoki Kanazawa², Eiji Saitoh^1,3,4 (1.Univ. Tokyo, 2.IBM Quantum, 3.BAI, Univ. Tokyo, 4.AIMR, Tohoku Univ.)

4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[21p-C501-10]A study on frequency dependence of acoustic spin wave excitation using high-order modes of surface acoustic waves

〇Kazuto Yamanoi¹, Yukio Nozaki^1,2 (1.Keio Univ., 2.CSRN)

4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)English Presentation

[21p-C501-11]Precise evaluation of pipe thickness by magnetic hammer testing using tunnel magneto-resistive sensors

〇(DC)Jun Ito¹, Ryota Odagiri¹, Shigetaka Suzuki¹, Hiroshi Wagatsuma¹, Kazuhiro Sugiyama¹, Mikihiko Oogane¹ (1.Tohoku univ.)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[21p-C501-12]Noise reduction by machine learning of magnetocardiogram measurement data

〇(D)Naoki Kishimoto¹, Hoshito Shibuya¹, Muftah AlMahdawi², Mikihiko Ogane¹ (1.Tohoku Univ., 2.Tohoku Univ. CSIS)

4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[21p-C501-13]Magnetic domain control with notch structure of magneto-optical light modulator

〇Kenichi Aoshima¹, Reimi Konishi², Mayumi Kawana¹, Ryo Higashida¹, Nobuhiko Funabashi¹, Yasunobu Akiyama², Kenji Machida¹ (1.NHK STRL, 2.Tokai Univ.)

5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[21p-C501-14]Perpendicular magnetic anisotropy enhanced by inserting NaF at the Fe/MgO interface

〇(M2)Jieyi Chen¹, Shoya Sakamoto^1,2, Shinji Miwa^1,2 (1.ISSP, Univ. Tokyo, 2.TSQS, Univ. Tokyo)

5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[21p-C501-15]Field-free spin-orbit torque magnetization switching in a perpendicularly magnetized (Ga,Mn)As single layer

〇(M2)Xinyuan Yang¹, Chenda Wang¹, Miao Jiang^1,2, Shinbu Ohya^1,3, Masaaki Tanaka^1,3 (1.Univ. Tokyo, 2.Beijing Inst of Technology, 3.CSRN,Univ. Tokyo)

5:45 PM - 6:00 PM JST(8:45 AM - 9:00 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[21p-C501-16]Impact of nitrogen on large charge-to-spin conversion efficiency in a non-collinear antipervoskite Mn3PtN antiferromagnet

〇(D)TRIPATHI NITIPRIYA¹, Shrawan Kumar Mishra¹, Shinji Isogami², Yukiko Takahashi² (1.IIT(BHU), India, 2.NIMS, Tsukuba Japan)

6:00 PM - 6:15 PM JST(9:00 AM - 9:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation AwardEnglish Presentation

[21p-C501-17]Evaluation of thermal stability in L1₀ ordered MnAl nanodots

〇(M2)Takanobu Shinoda^1,2, Yutaro Takeuchi³, Butsurin Jinnai³, Junta Igarashi¹, Yuma Sato^1,2, Shunsuke Fukami^1,2,3,4,5,6, Hideo Ohno^1,2,3,4,5 (1.RIEC, Tohoku Univ., 2.Grad. Sch. Eng, Tohoku Univ., 3.WPI-AIMR, Tohoku Univ., 4.CSIS, Tohoku Univ., 5.CIES, Tohoku Univ., 6.InaRIS)

6:15 PM - 6:30 PM JST(9:15 AM - 9:30 AM UTC)English Presentation

[21p-C501-18]Suppression of magnetic domain wall shift error in 3D racetrack memory

〇Namhai Pham¹, Takanori Shirokura¹, Nguyen Huynh Duy Khang² (1.Tokyo Tech, 2.Hochiminh Univ. Edu.)

6:30 PM - 6:45 PM JST(9:30 AM - 9:45 AM UTC)English Presentation

[21p-C501-19]Ultra-High Domain Wall Velocity in GdFe Thin Films for Racetrack Memory Applications

〇(P)Mojtaba Mohammadi¹, Satoshi Sumi¹, Pham Van Thach², Kenji Tanabe¹, Hiroyuki Awano¹ (1.Toyota Technological Institute, 2.Vietnam Academy of Science and Technology)

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