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Takagi Lab
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The lab pioneers new electronic properties by focusing on electron orbitals in solids.
AboutAbout the lab
Condensed matter research focused on electron orbitals in solids
The Takagi Lab conducts research to pioneer new properties and states exhibited by electrons in materials.
Just as matter changes among solid, liquid, and gas states, the states and properties of electrons in materials also vary widely depending on the environment.
The lab studies a wide range of materials, from inorganic crystals such as transition metal compounds and rare-earth alloys to molecular conductors made of organic molecules.
It aims to realize electronic materials and functions that could lead to lower power consumption and higher functionality in information technology.
Key terms
- Strongly correlated electron systems
- Materials in which electrons strongly influence one another, giving rise to a wide variety of electronic states
- Topological
- A property that does not change even when a shape is continuously deformed. It serves as a criterion for distinguishing structures such as magnetic vortices.
- Molecular conductors
- Electrically conducting crystals formed by organic molecules arranged in a regular pattern
NewsLab news
Associate Professor Rina Takagi receives the Morita Science Research Encouragement Award
Graduate school admissions information session to be held
Article "The World of Magnetism Woven by Electrons" published in the magazine Gendai Kagaku
Discovery of an altermagnet that allows information to be read and written at room temperature
Successful switching of the topological number among diverse spin structures
ResearchResearch themes
The lab studies the ordered structures and response phenomena produced by large numbers of electrons in materials, from the perspectives of both condensed matter physics and solid-state chemistry. It aims to find universality among phenomena occurring in different materials and to apply it to the design of new electronic properties.
*Illustrative imageMultiorbital strongly correlated electron systems
In materials where electrons interact strongly, a wide variety of electronic phases appear with only slight changes in elemental composition, crystal structure, temperature, magnetic field, or pressure. Using transition metal compounds and rare-earth alloys, the lab investigates phase transitions arising from the charge, spin, and orbital degrees of freedom.
*Illustrative imageTopological structures and functions
In multiorbital strongly correlated electron systems, the lab focuses on topological magnetic structures formed by magnetic interactions mediated by conduction electrons. It explores the new physical properties and functionalities that emerge from them.
*Illustrative imageDesigning electronic phases from molecular orbitals
Starting from molecular orbitals in crystals, the lab works on designing and elucidating electronic phases. It is also searching for novel electronic phases that appear under pressure in molecular conductors made of organic molecules.
MembersFaculty
The members of the Takagi Lab consist of faculty, project researchers, doctoral and master's students, research students, technical assistants, and administrative assistants.As of 2026
- Associate ProfessorRina TakagiPublications ↗
- Assistant ProfessorMizuki Urai
VoicesStudent voices
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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: “Main Building of Institute for Solid State Physics of the University of Tokyo” Marat Gorynych / CC BY-SA 3.0 (cropped)
- Multiorbital strongly correlated electron systems: “The Rare Earth Elements and Their Spectra” Umop503 / CC0 (cropped)
- Topological structures and functions: “Skyrmion vector models 3” Börge Göbel, Ingrid Mertig, Oleg A.Tretiakov / CC BY 4.0 (cropped)
- Designing electronic phases from molecular orbitals: “DiamondAnvilCell 003” National Institute of Standards and Technology / Public domain (cropped)
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