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Nanomaterials Characterization Lab
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A lab that uses electron microscopes to observe changes in materials in situ at the nanoscale.

AboutAbout the lab
Watching nanoscale changes as they happen.
The Nanomaterials Characterization Lab develops and uses advanced transmission electron microscopes to study the nanoscale world of materials.
Its core work is in situ observation: applying heat, light, or external force to substances and materials and watching changes in their microstructure and properties in real time.
The lab combines this with data science and computational science to establish an advanced analysis method called operando electron microscopy.
Its experiments cover materials ranging from metals, polymers, and ceramics to semiconductors, minerals, and meteorites, and experiments and technology development support each other.
Key terms
- Electron microscope
- A device that uses an electron beam as a probe to directly observe the three-dimensional arrangement of the atoms and microstructures that make up a specimen
- In situ observation
- A method of observing in real time how the microstructure and properties of a material change when heat, light, external force, or the like is applied to it
- Operando electron microscopy
- A method that combines in situ observation with data science and computational science to search for unknown materials and evaluate their functional properties
NewsLab news
Published a paper in Micron on in situ 3D observation of metal nanoparticle sintering
Wrote Section 9 of the book "Evaluating Degradation and Fracture and Predicting Lifetime Using AI and Simulation" (in Japanese)
ResearchResearch themes
To investigate the fundamental science behind the structure and function of matter, mainly at the atomic, molecular, and nanoscale levels, the lab develops multiscale, multidimensional analysis methods and applies them. It currently combines in situ transmission electron microscopy with data science and computational science to elucidate physical and chemical phenomena.
*Illustrative imageElectron Microscopy Combined with Machine Learning
The lab combines in situ observation, in which changes in materials under heat, light, or external force are watched in real time, with data science and computational science. Its goal is a microscopy method that can search for unknown materials and evaluate their functional properties.
*Illustrative imageNanomaterials and the Global Environment
From the standpoint of materials science and earth and environmental science at research institutions including those in the United States, the lab uses case studies to examine how advanced analysis methods capture nanomaterials as environmental factors. Much remains to be understood about the global cycling of nanomaterials.
MembersFaculty
Members of the Nanomaterials Characterization Lab consist of faculty members, technical staff, and doctoral students.As of 2026
- Professor (Cross-appointment)Mitsuhiro Murayama
- Assistant ProfessorShiro Ihara
VoicesStudent voices
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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: “U.S. Department of Energy - Science - )” U.S. Department of Energy from United States / Public domain (cropped)
- Electron Microscopy Combined with Machine Learning: “Transmission electron microscope (2)” Gannu03 / CC BY-SA 4.0 (cropped)
- Nanomaterials and the Global Environment: “Titanium dioxide nanoparticles” C. Impellitteri / Environmental Protection Agency National Risk Management Research Laboratory / Public domain (cropped)
- Related lab (ナノ構造光学分野): “Electron microscope-CNAM 43819” Antoaneta from Paris, France / CC BY 2.0 (cropped)
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- Related lab (ヘテロ融合材料分野): “70 Light-emitting-diode-(LED)” www.LEDlighting5.com / CC BY-SA 3.0 (cropped)
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