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New Materials Development Engineering Lab (Collaborative Chair, AIST)
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The lab develops materials to support 6G using piezoelectric and ferroelectric nitride thin films.
AboutAbout the lab
Supporting IoT and 6G with new nitrides.
The New Materials Development Engineering Lab is a collaborative chair with the National Institute of Advanced Industrial Science and Technology (AIST), and focuses on piezoelectric and ferroelectric nitrides such as ScAlN and ScGaN.
Its theme is materials technology that supports an IoT society and makes 6G possible, such as next-generation high-frequency filters, memory, and sensors.
In addition to making thin films by multi-source simultaneous reactive sputtering, the lab develops new materials and clarifies their physical properties using synchrotron radiation, computer simulation, and other methods.
The research is conducted at AIST (Kyushu Center).
Key terms
- Piezoelectric
- The property of generating electricity when force is applied, and of changing shape when voltage is applied.
- Ferroelectric
- The property of having aligned polarization even without an applied electric field, with a direction that can be reversed by an electric field.
- Sputtering
- A method of making a thin film by striking a material with ions and depositing the ejected atoms onto a substrate.
NewsLab news
An explanatory article on piezoelectric nitride thin films was published in the Journal of the Japan Institute of Electronics Packaging
A master's student received a Poster Award at the 2026 Spring Meeting of the Japan Society of Applied Physics
An explanatory article was published in "Ceramics Japan," the bulletin of the Ceramic Society of Japan
An explanatory article on scandium-doped nitrides was published in the Journal of the Japanese Association for Crystal Growth
A review article on wurtzite ferroelectrics was published in MRS Bulletin
ResearchResearch themes
The lab studies materials technology for piezoelectric and ferroelectric nitrides using thin-film fabrication, structural analysis with synchrotron radiation, and computer simulation. The lab introduction by the Interdisciplinary Graduate School of Engineering Sciences lists the following research topics: design of nitride piezoelectrics and ferroelectrics and clarification of their mechanisms, prediction of physical properties by computer simulation, and structural analysis using synchrotron radiation and other methods.
View More ↗MembersFaculty
- ProfessorHiroshi Yamada
- ProfessorMasato Uehara
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