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Magnetic and Spintronic Materials Lab
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The lab tackles energy challenges by creating magnetic and spintronic materials.
AboutAbout the lab
Tackling the energy problem through the creation of high-performance materials.
The Magnetic and Spintronic Materials Lab studies the creation of high-performance materials, ranging from magnetic and spintronic materials to semiconductor-related materials, and their applications.
Magnetic materials play a role in a wide range of applications, from motors and transformers to power-generation devices that harvest energy from the environment and eliminate the need for a separate power supply for IoT devices.
To bring out the full potential of a material's properties, the lab makes materials in the thermal non-equilibrium regime, controlling the crystal structure, the arrangement of elements within the lattice, and the nanostructure.
On the lab's website, the lab is presented under the name "Ohtake Lab."
Key terms
- Epitaxial growth
- A method of growing a crystal on top of an underlying crystal so that the arrangement of atoms is aligned with it
- Magnetostriction
- A phenomenon in which a magnetic material changes its shape slightly when it is magnetized
- Spintronics
- A field of technology that uses not only the electrical properties of electrons but also their spin, which is the origin of magnetism
NewsLab news
An undergraduate student received the Chair's Award from the IEICE Technical Committee on Magnetic Recording and Information Storage
A doctoral student received the Student Encouragement Award at the ITE Technical Group on Multimedia Storage
A master's student received the Chair's Award from the IEICE Technical Committee on Magnetic Recording and Information Storage
A doctoral student received the Student Presentation Award from the Magnetics Society of Japan
A paper on beam materials for vibration energy harvesting devices was published in IEEE Transactions on Magnetics
ResearchResearch themes
The Magnetic and Spintronic Materials Lab works on the energy problem by creating high-performance magnetic and spintronic materials. In the thermal non-equilibrium regime, the lab controls the crystal structure, the arrangement of elements within the lattice, and the nanostructure, and it also makes use of the synergistic effects of combining multiple elements to create new materials.
*Illustrative imageEpitaxial growth and control of magnetic properties
Basic research that analyzes the mechanisms of epitaxial growth of magnetic and spintronic materials and controls their magnetic and spin properties.
*Illustrative imageMetastable thin films and their transformation
Basic research that fabricates magnetic and spintronic thin films with metastable structures and analyzes the mechanism by which they transform into stable structures.
*Illustrative imageMagnetization and magnetostriction under rotating and alternating magnetic fields
Basic research that analyzes how the magnetization and magnetostriction of magnetic materials behave when rotating or alternating magnetic fields are applied.
*Illustrative imageSoft magnetic materials for EV motors
Applied research that aims to improve the efficiency of EV motors by creating new soft magnetic materials based on the addition of light elements and control of their bonding state.
MembersFaculty
The members of the Ohtake Lab consist of faculty members, a secretary, and doctoral, master's, and undergraduate students.As of 2025
- Associate ProfessorMitsuru Ohtake
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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: “Molecular beam epitaxy” Yakovlev Viktor / CC BY 4.0 (cropped)
- Epitaxial growth and control of magnetic properties: “Thin film growth defect” Evavilova / CC BY-SA 4.0 (cropped)
- Metastable thin films and their transformation: “Vacuum chamber-being opened by engineer” NASA JPL-Caltech / Public domain (cropped)
- Magnetization and magnetostriction under rotating and alternating magnetic fields: “Magnetic field bar magnet (top)” Maciej J. Mrowinski / CC BY-SA 4.0 (cropped)
- Soft magnetic materials for EV motors: “Stator Winding of a BLDC Motor” Medvedev / CC BY-SA 3.0 (cropped)
- Related lab (Environment-Adaptive Materials Lab): “Electronspun Nanofibers April 2023” Deander4 / CC BY-SA 4.0 (cropped)
- Related lab (Advanced Materials Engineering Lab): “255-GRC-1987-C-01044 Fiber-reinforced ceramic matrix, strain damage (2)” 作者不詳 / Public domain (cropped)
- Related lab (Structural Materials Design Lab): “Formateguss Rundbarren” Aluminiumhütte Rheinfelden GmbH, Abt. Giessereiberatung / Public domain (cropped)
- Related lab (Metal Physics Lab): “Everest of fracture surface” Kaspar Kallip / CC BY-SA 4.0 (cropped)
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