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Funakubo Lab
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A lab that creates new, highly functional inorganic materials.
AboutAbout the lab
Aiming for research that makes it into textbooks.
The Funakubo Lab researches the creation of new, highly functional inorganic materials.
The lab designs materials targeting properties such as ferroelectricity, piezoelectricity, ionic conductivity, and thermoelectric performance.
Beyond creating new materials, the lab works on improving their quality and drawing out even more of their functionality.
With the goal of 'research that makes it into textbooks,' students from different specialties come together to take on the development of new materials.
Key terms
- Ferroelectricity
- A property in which electrical polarization remains inside a material even without an applied electric field, and its direction can be switched
- Piezoelectricity
- A property in which applying force generates electricity, and applying an electric field changes the material's shape
- Inorganic materials
- A group of materials, such as metals, oxides, and ceramics, that do not have carbon as their backbone
NewsLab news
Announcement: Lab visit event for FY2026
Research results published in Advanced Electronic Materials
Research results published in APL Materials
Research results published in Advanced Electronic Materials
Research results published in APL Materials
ResearchResearch themes
The lab aims to create new, highly functional inorganic materials with properties such as ferroelectricity, piezoelectricity, ionic conductivity, and thermoelectric performance. It works on creating new functional materials and on improving their quality and functionality.
*Illustrative imageMaking ferroelectric films at low temperatures
Thin films of ferroelectrics are usually made at high temperatures. The lab studies methods, such as hydrothermal synthesis using water, to grow films with aligned polarization direction even at low temperatures below 100°C, so that functional films can also be placed on glass and polymers.
*Illustrative imageThin films that turn heat into electricity
As thermoelectric materials that convert waste heat into electricity, the lab makes thin films of materials such as strontium silicide. It has confirmed that mixing phases with different crystal structures improves their performance in converting heat into electricity.
*Illustrative imageInvestigating materials with AI and autonomous experiments
Together with researchers overseas, the lab is developing autonomous experiments in which AI makes its own decisions as microscope measurements proceed, as well as methods that automatically identify material characteristics from measurement data. The aim is to speed up the search for materials.
MembersFaculty
The members of the Funakubo Lab consist of faculty, researchers, doctoral and master's students, and research assistants.As of 2025
- ProfessorHiroshi FunakuboPublications ↗
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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: “LiNbO3” Solid State / Public domain (cropped)
- Making ferroelectric films at low temperatures: “Laboratory autoclave (cropped)” real name: Nadina Wiórkiewicz pl.wiki: Nadine90 commons: Nadine90 / CC BY-SA 3.0 (cropped)
- Thin films that turn heat into electricity: “Thermoelectric Seebeck power module” Gerardtv / CC BY-SA 3.0 (cropped)
- Investigating materials with AI and autonomous experiments: “BioMek FX P200 96 liquid handling robot” National Institute of Allergy and Infectious Diseases (NIAID) / Public domain (cropped)
- Related lab (Yokota Lab): “Microscopic image of crystals growing from melted sulfur” AlexmarPhoto / CC BY 4.0 (cropped)
- Related lab (Hoshina Lab): “Ceramic capacitors mounted on a PCB” Giovanna 27 / CC BY 4.0 (cropped)
- Related lab (Azuma Lab): “Aust.-Synchrotron-Interior-Panorama” jjron / CC BY-SA 3.0 (cropped)
- Related lab (Matsuda Lab): “Au sputtering light” GcG(jawp) / Public domain (cropped)
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