The 35th Joint-Interlaboratory Workshop on Nano-Magnetics

JIWONinKorea
July 25th Online Invited Session (GP-spin Session)(15:50~16:20) H. Lee (KAIST)“Bi-directional Neural Interface”(16:20~16:50) K. Masuda (NIMS)“Magnetoresistance Oscillation: an Analytical Approach”(16:50~17:20) S. Tsunegi (AIST)“Artificial Neural Networks Using Spin Torque Oscillator”(17:20~17:50) M. Goto (Univ. of Fukui)“Non-conventional Devices Using Stochastic Skyrmion Dynamics”

Organized by
Graduate Program in Spintronics, Tohoku University
Co-organized by
The SIP project, QST, JapanBrain Korea (BK) 21 FOUR Program through the National Research
Foundation of Korea (NRF) funded by the Ministry of Education
The National Research Foundation of Korea (NRF) fundedby the Ministry of Science and ICT

Please register for the online participation from the following forms!
Google forms: https://forms.gle/katZoNiqj6obt7cx5

Contact: K. Itoh (kanji.ito.q4@dc.tohoku.ac.jp)
S. Takano (seiya.takano.t5@dc.tohoku.ac.jp)

The 35th Joint Inter-laboratory Workshop on Nano-magnetics(JIWON)
July 24th-26th, 2024
Hana Square, Korea University, Seoul, Korea
Participating laboratories- Prof. Kim’s Lab, Korea University, Seoul, Korea- Prof. Oogane’s Lab, Tohoku University, Sendai, Japan- Prof. Shima’s Lab, Tohoku Gakuin University, Sendai, Japan
Invited Speakers- Prof. Hyunjoo Lee at KAIST- Mr. H. Fukushima at Spin Sensing Factory Corp.
- Dr. K. Masuda at NIMS
- Dr. S. Tsunegi at AIST
- Prof. M. Goto at University of Fukui

Acknowledgments- Brain Korea (BK) 21 FOUR Program through the National Research Foundation of Korea (NRF) funded by
the Ministry of Education (4199990514635)- The National Research Foundation of Korea funded by the Ministry of Science and ICT(2022M3H4A1A04096339, RS-2023-0025868, RS-2024-00347718)- The GP-Spin Program, Tohoku UniversityZoom Link
https://korea-ac-kr.zoom.us/j/85641494559?pwd=dM1MabR20ZjWH6eBtoLvUpbgqz0zLC.1

Meeting ID: 856 4149 4559

Password: mqejD1uJJ1

Wi-fi (eduroam)If your institution is a member of eduroam, please use your institution's wireless LAN ID@domain/password as
your username and password. Detailed instructions can be found at the link below.
https://wifi.korea.edu/wifi_en/index.doProgram
July 24 (Wednesday)
08:05-17:05: Arrival (Incheon Airport)
17:05-18:30: Transportation from Incheon Airport to Hotel(New Seoul Hotel, https://www.newseoulhotel.co.kr/).
18:30-22:00: Welcome Reception
July 25 (Thursday)
7:00~8:30 Breakfast (New Seoul Hotel)
8:30-9:10: Transportation to Hana Square meeting room, Korea University* Prof. Kim’s group members will come to the Hotel lobby by 08:15

9:30-9:40: Opening remark by Prof. Young Keun Kim
9:40~11:45 Presentations by Korea University Participants(9:40-10:00) Prof. Young Keun Kim (20 min)Title: Engineering β-W Alloys for Highly Efficient Spin-Orbit Torque Switching(10:00-10:15) Mr. Jin Seo Lee (15 min)Title: “Enhanced spin-orbit torques from PtZr/Co heterostructures”(10:15-10:30) Mr. Doowon Kim (15 min)Title: “Efficient spin-orbit torque switching in β-W-Ti alloy heterostructures”

10:30~11:00 Coffee break(11:00-11:15) Ms. Ye Eun Kim (15 min)Title: “Ruderman-Kittel-Kasuya-Yosida interaction based spintronic devices for physically unclonablefunctions”(11:15-11:30) Mr. Young Jun Jang (15 min)Title: “Au-FePO4 multiyolk-shell nanocoils for exceptional photocatalytic efficiency”(11:30-11:45) Mr. Hong En Fu (15 min)Title: “Cu ion anchored Fe3O4 nanoparticles for highly sensitive heavy metal ion detection”

12:00~13:00 Lunch13:00~13:35 Presentations by Tohoku Gakuin University participants(13:00-13:20) Prof. Toshiyuki Shima (20 min)Title: “Recent activity in Magnetic Materials Lab. at Tohoku Gakuin University”(13:20-13:35) Mr. Yuichi Mori (15 min)Title: “Structure and hard magnetic properties of Sm(Fe-Co)-B thin films”

13:35~15:50 Presentations by Tohoku University participants(13:35-13:50) Mr. Hayato Fukushima (15 min)Title: “Design of TMR sensor for bio magnetic field detection”(13:50-14:05) Mr. Takayuki Hojo (15 min)Title: “Half-metallic Co2FeAlxSi1-x Heusler alloy thin films with small magnetocrystalline anisotropy K1”(14:05-14:20) Mr. Daisuke Amiie (15 min)Title: “Investigation of in-plane magnetic anisotropy of (110)-oriented FeAlSi epitaxial thin films”(14:20-14:35) Mr. Kenta Watanabe (15 min)Title: “Magnetic properties of L10 ordered MnAl thin films for perpendicular magnetic tunnel junctions”(14:35-14:50) Mr. Seiya Takano (15 min)Title: “Small pin design for high sensitivity in magnetic vortex linear TMR sensors”(14:50-15:05) Mr. Jun Ito (15 min)Title: “Magnetic Vibration Measurement with TMR Sensor”

15:05~15:30 Coffee break(15:30-15:50) Prof. Mikihiko Oogane (20 min)Title: “Development of Spintronic sensors”

15:50~17:50 Invited Speakers (GP-spin session)(15:50-16:20) Prof. Hyunjoo Lee at KAIST (30 min)Title: “Bi-directional Neural Interface”(16:20-16:50) Dr. K. Masuda at NIMS (30 min) (online)
Title:” Theory for Tunnel Magnetoresistance Oscillation: an Analytical Approach”(16:50-17:20) Dr. S. Tsunegi at AIST (30 min) (online)
Title: “Artificial neural networks using spin torque oscillator”(17:20-17:50) Prof. M. Goto at University of Fukui (30 min) (online)
Title: “Non-conventional devices using stochastic skyrmion dynamics”