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Magnetic Functional Engineering Lab
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A magnetic materials lab that fabricates and studies magnetic oxide thin films.
AboutAbout the lab
From understanding magnetism to spin electronics
The Magnetic Functional Engineering Lab conducts broad research, from understanding and applying classical magnetism to new magnetotransport phenomena that lead to spintronics (spin electronics).
The lab's research targets thin-film structures controlled at the level of atomic layers.
The lab regards the technology for precisely controlled fabrication of oxide magnetic materials, such as iron oxides, as one of its key technologies.
The lab's website also introduces it under the name "Yanagihara Lab."
Key terms
- Spintronics
- A field that deals with phenomena in which the spin property of electrons is intertwined with the flow of electric current. Also called spin electronics
- Antiferromagnetic coupling
- Coupling in which the magnetizations of adjacent magnetic layers align in opposite directions. A structure essential for hard disks and magnetic memory
- Spinel-type
- A crystal structure with a lattice constant of about 8 Å and cubic symmetry. Iron oxides such as magnetite and maghemite have this structure
ResearchResearch themes
One of the lab's strengths is its technology for fabricating oxide magnetic materials as precisely controlled thin films. The lab investigates the magnetic properties of the films it makes and is considering applications to antiferromagnetically coupled films, which are essential for hard disks and magnetic random access memory.
*Illustrative imageProperties and Applications of Oxide Magnetic Materials
Among iron oxides, the lab aims to fabricate conductive magnetite and insulating maghemite separately and to use them as materials for barriers and electrodes. A strong magnetic coupling exists between the oxide and metallic iron, and the lab is considering applications as an antiferromagnetically coupled film made of common elements.
*Illustrative imageGrowth of Single-Crystal Thin Films of Spinel-Type Oxides
Spinel-type magnetic materials grow as well-aligned crystals on MgO single-crystal substrates, whose lattice constant is about half as large. Layer-by-layer growth has been confirmed by observation with reflection high-energy electron diffraction (RHEED).
MembersFaculty
The Magnetic Functional Engineering Lab consists of faculty members, a project professor, researchers, doctoral, master's, and undergraduate students, and administrative assistants.As of 2026
- ProfessorHideto Yanagihara
- Assistant ProfessorSonia Sharmin
- Assistant ProfessorHiroki Koizumi
- Project ProfessorEiji Kita
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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: “Nuclear magnetic resonance devices in CAFIA laboratory” Sarka Na kopci / CC BY-SA 4.0 (cropped)
- Properties and Applications of Oxide Magnetic Materials: “Magnetite and hematite (GeoDIL number - 1292)” Darla Sondrol / CC0 (cropped)
- Growth of Single-Crystal Thin Films of Spinel-Type Oxides: “Spinel LiMn2O4 crystal structure” Xurobert286 / CC BY-SA 4.0 (cropped)
- Related lab (スピントロニクス研究室): “Molecular-beam epitaxy system at LAAS 0509” Guillaume Paumier (user:guillom) / CC BY-SA 3.0 (cropped)
- Related lab (半導体材料): “4 inch float zone n-type silicon wafer with amorphous silicon thin film heterojunction structure” Radiotrefoil / CC BY-SA 4.0 (cropped)
- Related lab (表面科学): “Scanning tunneling microscope-MHS 2237-IMG 3820” Rama / CC BY-SA 3.0 fr (cropped)
- Related lab (電子スピン共鳴分光): “Electron spin resonance spectroscopy” Bill Branson (Photographer) / Public domain (cropped)
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