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Shiomi Lab
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A lab that pioneers new quantum materials and spintronics, with magnets at its core.
AboutAbout the lab
From magnets to next-generation spintronics
The Shiomi Lab conducts experimental research in condensed matter physics, with topology, magnetism, and spintronics as its main keywords.
The lab develops quantum materials centered on magnetic materials (magnets) and measures their physical properties.
It combines the synthesis of inorganic materials, measurements of physical properties under magnetic fields at room and low temperatures, and numerical calculations such as band structure calculations.
The lab aims for results that bridge basic and applied research, from the discovery of unknown quantum phenomena to the development of material functions using magnetic materials.
Key terms
- Spintronics
- A field of electronics that uses not only the electron's charge but also its spin, the property that gives rise to magnetism
- Spin current
- A flow in which only the direction of the electrons' spin is transported, without an accompanying flow of charge
- Topology
- A mathematical perspective that focuses on properties that remain unchanged when a shape is continuously deformed. It is also applied to the electronic states of materials
NewsLab news
Paper by a student who graduated last year published
Student's paper published in Appl. Phys. Lett.
Fourth-year undergraduate student selected for the Ichiko Prize
Paper by a student who completed the master's program published
Paper by a former postdoctoral researcher published in Phys. Rev. Mater.
ResearchResearch themes
The lab develops quantum materials centered on magnetic materials (magnets) and measures their physical properties, aiming for fundamental research results that will underpin next-generation spintronics. Its distinctive strength lies in the boundary between spintronics and neighboring fields: it has worked on merging spintronics with phase-change recording technology and on modulating spin-related properties using hydrogen.
*Illustrative imageSynthesis and Properties of Nanowire Materials
Synthesis methods for one-dimensional nanowires are limited to a few cases, such as certain semiconductor samples. Because dimensionality is important in physics, the lab takes on the fabrication of nanowires, mainly of topological materials, and their application to spintronics.
*Illustrative imageMagnetic Thermoelectric Materials
The thermoelectric effect is a phenomenon that converts between electrical energy and thermal energy. The lab develops thermoelectric materials containing magnetic elements, and works on controlling thermoelectric effects through magnetism and on measuring spin current transport, such as the spin Seebeck effect.
*Illustrative imageHydrogen Sensing Using Spin Current
In a junction structure of Pd, a hydrogen-absorbing alloy, and the magnetic insulator YIG, the lab has shown that hydrogenation reduces effects such as the spin Seebeck effect to about half their size. It aims to realize new devices that use reversible hydrogen modulation.
*Illustrative imagePhase-Change Materials Science
The lab revisits the phase-change materials used in phase-change memory as "materials" in the physicist's sense. It considers not only the transition between crystalline and amorphous states but also magnetic phase transitions, and investigates the changes in physical properties that accompany a phase change from many angles.
MembersFaculty
The members of the Shiomi Lab consist of faculty, doctoral students, and master's students.As of 2026
- Associate ProfessorYuki ShiomiPublications ↗
- Assistant ProfessorTakuya Kawada
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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: “Magnetite-118736” Robert M. Lavinsky / CC BY-SA 3.0 (cropped)
- Synthesis and Properties of Nanowire Materials: “Nanowire; Sensor ( )” National Institute of Standards and Technology / Public domain (cropped)
- Magnetic Thermoelectric Materials: “Peltierelement 16x16” Bye / Public domain (cropped)
- Hydrogen Sensing Using Spin Current: “Wiki-YIG” Krizu / CC BY-SA 3.0 (cropped)
- Phase-Change Materials Science: “Germanium(II)-tellurid” Speedpera / CC BY 4.0 (cropped)
- Related lab (堀田(知佐)研究室): “Магнитная доменная структура в пленке феррита-граната” Temiryazev / CC BY-SA 4.0 (cropped)
- Related lab (加藤雄介研究室): “Liquid helium Rollin film” I, AlfredLeitner, took this photograph as part of my movie "Liquid Helium,Superfluid" / Public domain (cropped)
- Related lab (栗原(貴之)研究室): “Femtosecond Laser and Pulse Compressor - Optics Lab - INRIM” Giorgio Brida from Torino, Italy / CC BY 2.0 (cropped)
- Related lab (寺尾・岩井研究室): “Cycloparaphenylene-3D-balls” Jynto (talk) / CC0 (cropped)
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