We would like to introduce the research and development of semiconductors at this center, especially semiconductors focusing on electron transport.

Power electronics semiconductor

We are developing wide band gap semiconductors for high voltage power control.

Crystal growth and device fabrication of wide bandgap oxides such as gallium oxide
Group in charge：Ultra-wide Bandgap Semiconductors Group: OSHIMA, Yuichi・OSHIMA, Takayoshi

Power electronics application of semiconductor diamond
Group in charge：Ultra-wide Bandgap Semiconductors Group: KOIZUMI, Satoshi

Semiconductor for chemical sensors

We are developing sensor semiconductors that utilize the chemical activity of semiconductor surfaces.

Thin film sensor materials such as zinc oxide
Group in charge：Electro-ceramics Group: ADACHI, Yutala・SAITO, Noriko

Sensor applications of nitride semiconductors
Group in charge：Next-generation Semiconductor Group: IROKAWA, Yoshihiro

Semiconductor junction/interface function

We are developing materials and forming bonds to improve the functionality of electronic devices such as transistors.

We are developing devices that utilize interface functions, such as variable resistance devices and memristors.
Group in charge：Electro-ceramics Group: OHSAWA, Takeo

Research on gate insulating films for the development of diamond and nitride devices
Group in charge：Next-generation Semiconductor Group: KOIDE, Yasuo・IU, Jiangwei

Exploration of new materials

The appearance of new materials can change the industrial structure. We are currently searching for semiconductors with properties such as high mobility.

Functional exploration of non-diamond structure nitrides
Group in charge：Electro-ceramics Group: OGAKI, Takeshi・SUEHIRO, Takayuki

We would like to introduce the research and development of semiconductors at this center, with a particular focus on semiconductor applications related to light.

III-V semiconductors

We are working on compound semiconductor materials and their nanostructure control with the aim of developing highly efficient light emission and highly sensitive optical sensors.

We are developing III-V semiconductors including quantum dots.
Group in charge：Semiconductor Epitaxial Structures Group: MANO, Takaaki・OHTAKE, Akihiro・KAWAZU, Takuya

Nitride semiconductors

We are working on developing III-V nitride semiconductors, from aluminum nitride to indium nitride, with the aim of increasing their functionality.

We are developing nitride semiconductors including gallium nitride (GaN).
Group in charge：Next-generation Semiconductor Group: SUMIYA, Masatomo・IMURA, Masataka

Non-traditional semiconductors

We are currently exploring new semiconductors that are not classified as III-V or II-VI, especially direct transition type semiconductors.

Organic-inorganic hybrid crystals
Group in charge：Electro-ceramics Group: OHASHI, Naoki・SAITO, Noriko

New semiconductors such as silicide
Group in charge：Electro-ceramics Group: OHASHI, Naoki・IMAI, Motoharu

We would like to introduce the research and development of phosphors and optical materials at this center.

Phosphors for lighting and displays

We are conducting research and development aimed at reducing the power consumption of lighting, improving display quality, and improving the functionality of phosphors in the infrared region.

We are developing high-performance phosphors such as nitrides and oxynitrides.
Group in charge：Advanced Phosphor Group: TAKEDA, Takashi

We are developing new phosphor materials such as new composite compounds.
Group in charge：Advanced Phosphor Group: NAKANISHI, Hiroyuki

Single crystals that emits high-brightness and high-power light
Group in charge：Optical Single Crystals Group: SHIMAMURA, Kiyoshi・VILLORA, Garcia

Polycrystalline bulk laser material

We are developing ceramic laser materials for high-power lasers such as industrial lasers.

We are developing ceramic laser materials using advanced sintering technology.
Group in charge：Optical Ceramics Group: SUZUKI, Tohru・FURUSE, Hiroaki

Scintillator materials

We are developing scintillator materials for radiation detection, which are important in security and medical fields.

We are developing single crystal growth technology and exploring new materials.
Group in charge：Optical Single Crystals Group: SHIMAMURA, Kiyoshi・YUAN, Dongsheng

Transparent polycrystalline optical material

We are developing transparent and translucent ceramics with various optical properties such as infrared transparency.
Group in charge：Polycrystalline Optical Material Group: MORITA, Koji

Electro-optic/magneto-optic materials

We are developing electro-optical and magneto-optical materials used for wavelength conversion and polarization control.

We are developing magneto-optical materials (isolator materials) for short wavelengths using transparent magnetic materials.
Group in charge：Optical Single Crystals Group: SHIMAMURA, Kiyoshi・VILLORA, Garcia

We are developing optical element materials that apply ferroelectric materials.
Group in charge：Quantum Photonics Group: KURIMURA, Sunao

Structural color materials

We are developing color-forming materials with controlled photonic band structures.
Group in charge：Nanophotonics Group: FUDOUZI, Hiroshi

We are conducting research toward the development of devices that apply metamaterials.
Group in charge：Semiconductor Epitaxial Structures Group: MIYAZAKI, Hideki
Group in charge：Nanophotonics Group: IWANAGA, Masanobu

We would like to introduce the research and development of nanostructures and composite materials at this center.

Nanophotonics

We are developing photonic devices adopting microfabrication and nanomaterial synthesis.

Development of highly sensitive sensors using metamaterials
Group in charge：Semiconductor Epitaxial Structures Group: MIYAZAKI, Hideki
Group in charge：Nanophotonics Group: IWANAGA, Masanobu

Development of quantum dots and quantum structures by epitaxy
Group in charge：Semiconductor Epitaxial Structures Group: MANO, Takaaki・OHTAKE, Akihiro・KAWAZU, Takuya

Nano-powders

We are proceeding with the development of nanopowder as a raw material for making ceramics and to obtain the advantage of high specific surface area.

Synthesis of nanopowder raw materials for producing transparent optical ceramics
Group in charge：Polycrystalline Optical Material Group: LI, Jiguang

Synthesis of nanopowder for highly functional chemical sensors
Group in charge：Semiconductor Epitaxial Structures Group: SAITO, Noriko

Nanocomposite

We are developing nanocomposites with the aim of creating high-strength substrates and materials with controlled heat conduction.

Development of non-oxide heat-resistant high-strength ceramics
Group in charge：Polycrystalline Optical Material Group: VASYLKIV, Oleg

Development of composite ceramics with dispersed nanotubes
Group in charge：Optical Ceramics Group: ESTILI, Mehdi

We would like to introduce the research and development of dielectrics and piezoelectrics at this center.

Search for new ferroelectric and piezoelectric materials

We are developing dielectrics and piezoelectrics for various applications such as electronics, sensors, and actuators.

Search for dielectrics and piezoelectrics other than perovskite-derived structures
Group in charge：Electro-ceramics Group: SHIMIZU, Takao

Dielectric material exploration using data science
Group in charge：Nano Electronics Device Materials Group: NAGATA, Takahiro

Material design near morphotropic phase boundaries
Group in charge：Managing Researcher, REN, Xiaobing

Development of MEMS devices

We are developing materials for the further development of MEMS, such as frequency filters and magnetic sensors.

Development of a high-sensitivity sensor using MEMS that takes advantage of the hardness of diamond
Group in charge：Ultra-wide Bandgap Semiconductors Group: LIAO, Meiyong

Search for low dielectric constant glass and high heat resistant glass

We are investigating amorphous materials without grain boundaries not only as optical materials but also as insulators and dielectrics.

Development of heat-resistant, high-hardness glass for high-power circuits and devices
Group in charge：Amorphous Material Group: SEGAWA, Hiroyo

We would like to introduce the research and development of chemically functional materials such as ionic conductors and adsorption materials at this center.

Hydrogen ion conductors

We are developing hydrogen ion conductors for energy applications such as fuel cells.

We are developing polymer electrolyte materials that are environmentally friendly.
Group in charge：Environmental Circulation Composite Materials Group: KIM, Jedeok・TAMURA, Kenji

Environmental Circulation materials

We are developing materials with low environmental impact that utilize biopolymers and natural resources.

Utilization of biopolymers and biomass
Group in charge：Environmental Circulation Composite Materials Group: TAMURA, Kenji

Capture and recovery of elements using clay minerals, etc.
Group in charge：Environmental Circulation Composite Materials GroupTAMURA, Kenji・SAKUMA, Hiroshi・SUEHARA, Shigeru

Process development for ceramics reuse
Group in charge：Amorphous Material Group: SEGAWA, Hiroyo
Group in charge：Electro-ceramics Groupp: OHASHI, Naoki

Semiconductor for chemical sensors

We are developing sensor materials that utilize the chemical activity of semiconductor surfaces.

Thin film sensor materials such as zinc oxide
Group in charge：Electro-ceramics Group: ADACHI, Yutala・SAITO, Noriko