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Artificial Nanostructure Physics Lab
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The lab develops carbon-based materials such as graphene and nanotubes and applies them to devices.
AboutAbout the lab
Building carbon nanostructures at the atomic level.
The Nanostructure Physics Lab (Fujita-Fujimori Lab) focuses on carbon-based materials such as graphene and carbon nanotubes, and studies the development of next-generation functional materials and their device applications.
By combining device fabrication using electron beams and focused ion beams with structural analysis by electron microscopy, the lab creates nanostructures that are artificially controlled at the atomic level.
Its research themes are wide-ranging, from the development of electron microscopes and shock-absorbing materials to technology for producing hydrogen from renewable-energy electricity.
The lab's website states a policy of not assigning fixed topics to undergraduate thesis students or graduate students from the start, but letting them take up work that interests them as they go through life in the lab.
Key terms
- Graphene
- A single sheet of carbon atoms in which the atoms are bonded in a lattice of six-membered rings
- Carbon nanotube
- A very thin, electrically conductive carbon material with a diameter of a few nanometers
- Plasmon
- A collective density wave of free electrons at a metal interface, generated by the electric field of light
- Dilatant phenomenon
- A phenomenon in which a liquid such as cornstarch mixed with water becomes hard when force is applied
NewsLab news
A paper on the fracture phenomenon of carbon nanotube fibers was published in the journal Carbon
A paper on time-resolved SEM was published in the journal ACS Photonics
ResearchResearch themes
The lab studies carbon-based nanomaterials broadly, from synthesis and structural analysis to device applications. Using scanning and transmission electron microscopes, it investigates the fundamental properties of carbon nanotubes, graphene, and three-dimensional porous graphene through atomic-level material synthesis and structural analysis.
*Illustrative imageControlled growth of carbon nanotubes
The lab studies technology that controls the position and size of metal nanoparticles serving as catalysts, so that nanotubes grow at arbitrary positions. It also investigates a phenomenon in which iron nanoparticles move through solid amorphous carbon and nanotubes grow in the solid phase.
*Illustrative imageUltrafast electron microscopy and material manipulation
The lab develops an electron microscope that combines an electron microscope with a femtosecond ultrashort-pulse laser and can capture ultrafast phenomena such as plasmon propagation frame by frame. It also develops technology for manipulating nanomaterials within the field of view of an electron microscope.
*Illustrative imageImpact-resistant materials and dilatant fluids
The lab works on developing high-strength shock-absorbing materials that combine a solution showing the dilatant phenomenon with CNT fibers. At a synchrotron radiation facility, it measures viscosity and small-angle X-ray scattering simultaneously to study how particles aggregate.
*Illustrative imageThree-dimensional graphene and conversion to hydrogen
The lab synthesizes nanoporous graphene, in which graphene, a two-dimensional sheet, is given a three-dimensional structure, aiming to open up new physical chemistry. It also works on developing a method to efficiently convert electricity from renewable energy directly into hydrogen.
MembersFaculty
The members of the Nanostructure Physics Lab consist of faculty, postdoctoral researchers, and master's students.As of 2025
- ProfessorJunichi Fujita
- Professor (Corporate Researcher)Toshihiko Fujimori
- Assistant Professor (Collaboration and Joint Research)Yusuke Arashida
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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: “Nion UltraSTEM Electron Microscope ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Controlled growth of carbon nanotubes: “Nanotube; Ultradark ( )” National Institute of Standards and Technology / Public domain (cropped)
- Ultrafast electron microscopy and material manipulation: “Transmission electron microscope (2)” Gannu03 / CC BY-SA 4.0 (cropped)
- Impact-resistant materials and dilatant fluids: “Corn speaker” Daniel Christensen / CC BY 3.0 (cropped)
- Three-dimensional graphene and conversion to hydrogen: “Water Electrolysis Unit Hydrogen Fuel Cell” D.S. Soriano / CC BY 4.0 (cropped)
- Related lab (ナノ材料応用デバイス): “Graduate Chemistry Laboratory ( )” JohnRH4 / CC BY-SA 2.0 (cropped)
- Related lab (走査電子顕微鏡): “Scientist during work with Scanning Electron Microscope” Gabriela P. / CC BY 4.0 (cropped)
- Related lab (有機半導体物性工学研究室): “Detail of polycrystalline silicon solar cell” Elvis untot. / CC BY-SA 3.0 (cropped)
- Related lab (表面科学): “Scanning tunneling microscope-MHS 2237-IMG 3820” Rama / CC BY-SA 3.0 fr (cropped)
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