Semiconducting Materials

FUKATA Naoki

FUKATA.Naoki@nims.go.jp

Field Director, Quantum Materials Field, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science

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

Principal Researcher, Surface Quantum Phase Materials Group, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science

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

SHIRAHATA Naoto

SHIRAHATA.Naoto@nims.go.jp

Group Leader, Nanoparticle Group, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science

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

Administrative Office Chief, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science

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

Group Leader, Quantum Photonics Group, Research Center for Electronic and Optical Materials, National Institute for Materials Science

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

Principal Researcher, Nano Electronics Device Materials Group, Research Center for Electronic and Optical Materials, National Institute for Materials Science

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.

IDE Yusuke

IDE Yusuke

IDE.Yusuke@nims.go.jp

Group Leader, Layered Nanochemistry Group, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science

Research field

catalysis, nanomaterial, environment-related materials, energy-related materials

Research outline

With biologically safe and earth-abundant elements, we are developing materials for possible applications in energy, environments, and healthcare. A good example is an aqua-iron complex embedded in a porous silicate that can be used as cosmetics, sunscreen, and air purifiers.

Research Interests

porous material, minerals, catalysis, photocatalysis, UV shielding

Assigned university/courses

Yokohama National University Graduate School of Engineering Science

Department of Chemistry and Life Science

Message to prospective students

Let’s develop world-wide materials with safe and secure elements!

SANG Liwen

SANG.Liwen@nims.go.jp

Thin Film Electronics Group, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science

Research field

semiconductor, nano-interface, interface physics, optoelectronic devices

Research outline

GaN-based semiconductors have superior physical and chemical properties, which can function at higher temperatures, voltages, and frequencies than Si. We focus on the polarization engineering of GaN-based materials and structures, modulating physical parameters, and developing high-performance optoelectronic devices.

Research Interests

wide-band gap semiconductor, GaN, heterojunction, polarization field

Assigned university/courses

University of Tsukuba Graduate School of Pure and Applied Sciences


PhD : Materials Innovation

MSc : Materials Innovation

Message to prospective students

High demand for GaN semiconductors in industrial applications is driving the global research on this field. Let’s contribute to this field and stimulate real applications.

KOZUKA Yusuke

KOZUKA.Yusuke@nims.go.jp

Group Leader, Qubit Materials Group, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science

Research field

thin film and interface properties, mesoscopic physics, thin film crystal growth, electronic device materials, oxide electronics

Research outline

We focus on developing quantum electronics materials. To enhance the functionality and diversity of quantum devices, we study thin film processes and nano-fabrication techniques for new semiconductors and superconductors. The devices are finally evaluated in cryogenic measurement systems. We aim to advance quantum science and technology based on materials research.

Research Interests

quantum device, nanostructure fabrication, superconductor junction, topological electronic property, ultra-low temperature measurement

Assigned university/courses

Waseda University Graduate School of Advanced Science and Engineering

Department of Nanoscience and Nanoengineering

Message to prospective students

Quantum devices are created and operated based on science and technology from various fields, such as physics, chemistry, materials science, and electrical engineering. We welcome students interested in working on quantum devices and collaborating with other researchers from different disciplines.

Research group website

TANG Daiming

TANG.Daiming@nims.go.jp

Principal Researcher, Functional Nanomaterials Group, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science

Research field

thin film and interface properties, mesoscopic physics, thin film crystal growth, electronic device materials, oxide electronics

Research outline

We create nano-electromechanical systems (NEMS) based on carbon nanotube (CNT) molecular junctions; elucidate the atomic mechanisms and physical properties by by advanced in situ transmission electron microscopy (TEM). We aim to apply the CNT-NEMS nanodevices as terahertz (THz) resonators and quantum sensors operating at near room temperature.

Research Interests

nanotransistors, NEMS, molecular junctions devices, carbon nanotubes, in situ electron microscopy

Assigned university/courses

University of Tsukuba Graduate School of Pure and Applied Sciences


PhD : Materials Innovation

MSc : Materials Innovation

Message to prospective students

Imagine, playing the smallest guitar (10-9 m), with the highest frequency (1012 Hz), resonating with quantum beats at room temperature. Interested in such kind of research? Let’s challenge and have fun together!

Research group website

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