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Shi-Harumoto Lab
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A lab that draws new properties of magnets and hydrogen out of metallic nano thin films.
AboutAbout the lab
Discovering new properties in nanoscale thin films.
The Shi-Harumoto Lab studies the physical properties of functional nano thin films, based on metal physics and diffraction crystallography.
In thin films, surfaces and interfaces make up a large proportion, and when the thickness reaches the nanometer scale, properties different from those of bulk materials appear.
The lab makes thin films by controlling crystal structure, growth mode, and surface condition, and examines their properties with electron microscopes and X-ray diffractometers.
Within the materials field, it is a lab where students can learn subjects close to condensed matter physics, such as electron motion and electrical conduction.
Key terms
- Nano thin film
- A film on the order of nanometers thick (a nanometer is one millionth of a millimeter), in which the effects of surfaces and interfaces are strong
- X-ray diffraction
- A method that irradiates a crystal with X-rays and measures how they scatter to investigate the arrangement and spacing of atoms inside it
- Energy harvesting
- A mechanism that converts light, heat, and vibration in the surroundings into small amounts of electric power and collects it
NewsLab news
A paper by Associate Professor Harumoto and colleagues was published in ACS Omega
A paper by Assistant Professor Song and colleagues was published in Journal of Applied Physics
A paper by Assistant Professor Song and colleagues was published in ACS Applied Nano Materials
A paper by Associate Professor Harumoto and colleagues was published in Next Materials
A paper by Assistant Professor Song and colleagues was published in ACS Applied Materials & Interfaces
ResearchResearch themes
In nano thin films, surfaces and interfaces account for a large proportion, and even the stress state and symmetry of the crystal can change. Aiming at unprecedented properties and functions that emerge there, the lab makes thin films and investigates the mechanisms behind them.
*Illustrative imageMagnetic nano multilayer films
The lab designs and fabricates nanostructures that stack magnetic metals with nitrides and oxides, and explores properties usable in next-generation magnetic recording and magnetic sensors. Simply changing the layer thickness or the heat-treatment temperature changes the magnetic properties, even in the same sample.
*Illustrative imageHydrides and hydrogen sensors
Toward a decarbonized hydrogen society, the lab investigates the properties of metals when they absorb hydrogen. Because hydrogen can explode in air at a concentration as low as 4%, the lab also develops materials for sensors that detect leaks, as well as detection methods.
*Illustrative imageGenerating electricity from vibration
The lab develops energy harvesting devices that convert ambient light, heat, and vibration into electric power. Karman vortices formed behind an object placed in a flow shake the device, making it resonate so that electricity can be extracted.
MembersFaculty
The members of the Shi-Harumoto Lab consist of faculty, doctoral, master's, and undergraduate students, secretaries, and professors emeritus.As of 2025
- ProfessorShi JiPublications ↗
- Associate ProfessorTakashi HarumotoPublications ↗
- Assistant ProfessorJundong SongPublications ↗
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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: “Magnetic domains of non oriented silicon or electrical steel” Matesy / CC BY-SA 3.0 (cropped)
- Magnetic nano multilayer films: “Магнитная доменная структура в пленке феррита-граната” Temiryazev / CC BY-SA 4.0 (cropped)
- Hydrides and hydrogen sensors: “Metal Hydride Storage Canisters” Anjujo / CC BY-SA 4.0 (cropped)
- Generating electricity from vibration: “Von Karman vortices off Rishiri Island, Japan” NASA / Public domain (cropped)
- Related lab (木村研究室): “Axial compressor rotor of a gas turbine, Deutsches Museum” Wilfredor / CC0 (cropped)
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- Related lab (矢野研究室): “Refractive Index of Different Glass Samples at Corning Museum of Glass” Henrysz / CC BY 4.0 (cropped)
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