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Quantum Spin Physics and Engineering Lab
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A lab that explores phenomena produced by electron "spin" and applies them to magnetic memory and high-frequency devices.
AboutAbout the lab
From electron spin to new phenomena and devices
The Moriyama Lab studies new physical phenomena that arise from a property of electrons called "spin."
Spintronics, which makes use of spin, is expected to lead to low-power, high-density, high-speed technologies for information storage and communication.
Using nanoscale magnetic thin films and wires as well as two-dimensional magnetic materials, the lab searches for new properties through a variety of measurements and controls how magnetism and electric current flow.
Based on these results, the lab also works on developing new magnetic memory devices and high-frequency devices.
Key terms
- Spintronics
- Electronics that uses not only the electrical property of electrons but also their property as tiny magnets (spin)
- Antiferromagnets
- A material in which tiny internal magnets are aligned in alternating directions, so that it does not behave as a magnet overall
- Terahertz band
- The frequency band of electromagnetic waves that oscillate about one trillion times per second, lying between radio waves and light
NewsLab news
Associate Professor Iihama receives the AUMS Young Researcher Award
A master's student is selected as a recipient of the MSJ Paper Encouragement Award
A student receives the Outstanding Presentation Award at the graduation thesis review
A master's student receives the Outstanding Presentation Award at the IEEE Magnetics Society Nagoya Chapter Young Researchers' Meeting
A master's student receives the Student Presentation Award (Sakurai Award) from the Magnetics Society of Japan
ResearchResearch themes
The lab aims to clarify new physical phenomena arising from electron spin and apply them to spintronics. Using magnetic thin films, magnetic wires, and two-dimensional magnetic materials, it explores new properties through spin transport measurements, terahertz spectroscopy, and other methods.
*Illustrative imageAntiferromagnetic Spintronics
The lab studies antiferromagnets, long thought to be of no practical use, as materials for spintronics. It has shown that the magnetization direction of an antiferromagnet can be controlled by a flow of electron spins, and that antiferromagnets can work as memory devices.
*Illustrative imageTerahertz Spintronics
Antiferromagnets resonate in the terahertz band, a very high frequency range. Using terahertz spectroscopy, the lab studies how to control this resonance and how spin is transferred in antiferromagnets.
*Illustrative imageOptical Spintronics
The lab has studied how to switch the magnetization of magnetic thin films with extremely short light pulses and how to control magnetization with circularly polarized light. Recently, it has also been developing its own magnetic measurement methods that use light.
*Illustrative imageAI Spintronics
This research aims to realize "physical reservoir computing," which processes information by treating natural physical phenomena as a neural network, using spintronics. The lab is evaluating performance through simulations and verifying it through experiments.
MembersFaculty
The Moriyama Lab consists of faculty members, doctoral, master's, and undergraduate students, and assistant staff.As of 2026
- ProfessorTakahiro Moriyama
- Associate ProfessorSatoshi Iihama
- Assistant ProfessorKensuke Hayashi
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Ferrofluid close” Opoterser / CC BY 3.0 (cropped)
- Antiferromagnetic Spintronics: “Bunsenite - Kochhütte, Helbra, Mansfeld-Südharz, Saxony-Anhalt, Germany” Hannes Osterhammer / CC BY-SA 3.0 de (cropped)
- Terahertz Spintronics: “Terahertz freq. metamaterial modulator” Hou-Tong Chen (Los Alamos National Laboratory) / Public domain (cropped)
- Optical Spintronics: “Femtosecond laser spark” Smirnov Semen / CC BY 4.0 (cropped)
- AI Spintronics: “Synchronized Nano-oscillators ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (光物理工学研究グループ): “Optoelectronics experiment” Adelphi Lab Center / CC BY 2.0 (cropped)
- Related lab (強相関物質工学研究グループ): “Vapor Crystal Growth System Furnace” NASA / Public domain (cropped)
- Related lab (量子物性工学研究グループ): “Carbon nanoribbon chiral povray” Arnero / Public domain (cropped)
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