Semiconducting Materials

FUKATA Naoki

FUKATA.Naoki@nims.go.jp

National Institute for Materials Science International Center for Materials Nanoarchitectonics Nanostructured Semiconducting Materials Group Group Leader

Research field

semiconductor, nanostructure, functional materials, energy-related materials

Research outline

Research on fundamental properties and applications of next-generation high-speed semiconductor transistors with low power consumption, and new energy-related materials based on functionalized semiconducting nanostructures and composite nanomaterials.

Research Interests

nanowires, nanocrystals, electronic devices, optical devices, quantum effect

Assigned university/courses

University of Tsukuba Graduate School of Pure and Applied Sciences

PhD : Materials Science and Engineering

MSc : Applied Physics

Message to prospective students

We are interested in the synthesis, functionalization and characterizations of nanostructures and their use for device fabrication. Here, you can learn to apply advanced research techniques from the basics all the way to application. Let’s advance science by discovering new phenomena and creating new devices.

YAMAGUCHI Takahide

YAMAGUCHI.Takahide@nims.go.jp

National Institute for Materials Science International Center for Materials Nanoarchitectonics Surface Quantum Materials Group Principal Researcher

Research field

semiconductor, nanomaterials, surface science, superconductivity

Research outline

Diamond has a wide range of potential applications including low-loss power conversion, high frequency amplifications, and quantum information processing. We are conducting research on fundamental electronic properties of diamond and device applications such as two-dimensional material/diamond heterostructures for novel functionalities.

Research Interests

two-dimensional materials, heterostructure, diamond, graphene, optoelectronic devices

Assigned university/courses

University of Tsukuba Graduate School of Pure and Applied Sciences

PhD : Materials Science and Engineering

MSc : Applied Physics

Message to prospective students

NIMS has a long history of diamond research; for example, the basic model of a CVD system now widely used for diamond growth was invented in 1980's in NIRIM (former institute of NIMS). You can access advanced equipment and technical expertise for the discovery of novel phenomena in diamond and the development of new functional devices. Join us!

Research group website

YE Jinhua

Jinhua.YE@nims.go.jp

National Institute for Materials Science International Center for Materials Nanoarchitectonics Photocatalytic Materials Group Group Leader

Research field

functional materials, nanomaterials, physical chemistry, energy-related materials, energy conversion

Research outline

We are exploring advanced photocatalytic materials for possible applications in environment preservation and solar to chemical energy conversion, through composition- and morphology-controlled fabrication and integration of nano-structured materials, in depth study of reaction mechanisms by theoretical calculations and in-situ measurements, etc.

Research Interests

photocatalysts, artificial photosynthesis, pollutant degradation, hydrogen production, carbon dioxide reduction

Assigned university/courses

Hokkaido University Graduate School of Chemical Sciences and Engineering

Materials Chemistry and Engineering Course

Message to prospective students

Join us for the grand challenge on artificial photosynthesis and find your solution to save the world from environment pollution, global warming and energy shortage!

Research group website

SHIRAHATA Naoto

SHIRAHATA.Naoto@nims.go.jp

National Institute for Materials Science International Center for Materials Nanoarchitectonics Nanoparticle Group Group Leader

Research field

optical materials, quantum dot, surface science, hybrid organic-inorganic materials

Research outline

Our goal is the fabrication of innovative "light-emitting and light?receiving devices" that contribute to a safety and security based society and its sustainable development. Controlling the quantized electron state in a nanocrystal, tunable light-emitting diodes and photodiodes are fabricated. Thermal phononics is also investigated for biomedical applications.

Research Interests

nanoparticle, light emitting diode, photodiode, bio-imaging, theranostics

Assigned university/courses

Hokkaido University Graduate School of Chemical Sciences and Engineering

Materials Chemistry and Engineering Course

Message to prospective students

Students will meet various opportunities to investigate how to synthesize colloidal nanocrystals, characterize their optical performances, functionalize their surfaces, and fabricate the optoelectronic devices including light-emitting diodes. For biomedical applications, students will prepare nanocrystals adapted for cellular uptake towards theranostics.

WAKAYAMA Yutaka

WAKAYAMA.Yutaka@nims.go.jp

National Institute for Materials Science International Center for Materials Nanoarchitectonics Deputy & Administrative Director

Research field

organic semiconductor, molecular electronics, thin film growth

Research outline

We are developing various electronic devices based on organic semiconductors and two-dimensional atomic films. We place emphasis on the exploring new functionality. Typical examples are optically-driven organic transistor, multivalued logic circuits and electron-tunneling manipulated by molecular functions.

Research Interests

organic transistor, self-assembly, two-dimensional atomic films, scanning tunneling microscopy, single-electron tunneling

Assigned university/courses

Kyushu University Graduate School of Engineering

Department of Applied Chemistry

This professor no longer accept the new students.

Message to prospective students

We are not interested in the simple improvement of already-existing device performance, but importance is placed on the exploration of innovative device operation mechanism. We have been challenging to invent novel functional devices, even if the resulted properties are still preliminary.

KURODA Takashi

KURODA.Takashi@nims.go.jp

National Institute for Materials Science Research Center for Functional Materials Nanophotonics Group Group Leader

Research field

semiconductor, laser spectroscopy, photonics

Research outline

We aim to create optical functions and devices based on nanophotonics concept, with aide of advanced laser spectroscopy and theoretical analysis of new materials fabricated by our sophisticated lithography and original self-assembly technologies. Recently we have developped a quantum light source using quantum dots and a new IR laser using photonic crystal cavities.

Research Interests

semiconductor nanostructures, nonlinear spectroscopy, quantum information science

Assigned university/courses

Kyushu University Graduate School of Engineering

Department of Applied Chemistry

Message to prospective students

Welcome motivated PhDs who wish to work on a "photon" with us!

Research group website

YAMASHITA Yoshiyuki

YAMASHITA.Yoshiyuki@nims.go.jp

National Institute for Materials Science Research Center for Functional Materials Nano Electronics Device Materials Group Principal Researcher

Research field

interface science, surface science, phoeoelectron spectroscopy, synchrotron radiation

Research outline

The physical property of matter is determined mainly by the electronic state and atomic structure. In our group, we use synchrotron radiation facility like SPring-8 (world's best synchrotron radiation facility), and investigate the electronic structures and atomic structures of new materials. We also elucidate static and dynamic processes of atomic structures and electronic states using operando methods like under device operation so that the nature of new materials is completely understood.

Research Interests

intetface physics, hard x-ray phoeoelectron spectroscopy, operando, interface state, power device

Assigned university/courses

Kyushu University Graduate School of Engineering

Department of Applied Chemistry

Message to prospective students

A doctor course is the most precious period to grow up rapidly as a researcher, which will be the vital foundation in your future. In NIMS, you can perform various researches with high-level NIMS scientists to be one of the world's top researchers. We recruit students who can be enthusiastic about anything.

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