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Advanced Materials Hybrid Engineering Lab
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A nanoparticle lab that creates new materials by combining metals with organic substances.
AboutAbout the lab
From atomic-level control to work that leaves its mark on the map.
The Advanced Materials Hybrid Engineering Lab studies materials in which metals and metal oxides are combined with carbon, semiconductors, organic molecules, and polymers.
The lab creates new materials by understanding the mechanisms at material surfaces and interfaces and controlling them.
Its work ranges from designing and synthesizing nanoparticles of about 10 atoms to protecting against corrosion the metal materials used to extract oil in oil fields.
Although it is a lab of the Applied Materials Engineering Course, it also works with organic molecules, and it is set up so that students with no prior experience with organic chemistry can learn step by step.
Key terms
- Nanoparticle
- A particle only about one ten-thousandth the thickness of a human hair. Even for the same metal, properties change as the particles get smaller
- Interface
- The boundary surface where two different substances are in contact. It determines the properties of a material
- Sintering
- Heating a material at high temperature to harden it or change its properties. For copper paste, firing turns it into wiring that conducts electricity
NewsLab news
A review article by a master's program graduate was accepted by the Journal of the Japan Institute of Metals and Materials
A student received the SUMCO Award at the SEMICON JAPAN 2023 Academia Award
ResearchResearch themes
The lab makes hybrid materials that combine metals and metal oxides with carbon, organic molecules, polymers, and more. It develops methods for controlling surfaces and interfaces, and works on a wide range of topics from nanoparticle synthesis to components for electronic parts.
*Illustrative imageCopper nanoparticles for joining semiconductors
The lab makes bonding materials for semiconductors by forming copper nanoparticles, synthesized in large quantities, into sheets. Because high strength was achieved at relatively low temperature and in a short time, they are expected to be applied in next-generation power semiconductors and automotive modules.
*Illustrative imageApplications in electronic components
The lab synthesizes particles of copper, nickel, and other metals with uniform size, in forms that resist oxidation. The resulting particles are made into inks and pastes, which are used for conductive thin films, wiring, and the internal electrodes of multilayer ceramic capacitors.
*Illustrative imageCopper paste that sinters at low temperature
Plating and sputtering, used to make fine wiring, have drawbacks such as heavy chemical use and expensive equipment. Using the property that a metal's melting point drops as its particles get smaller, the lab aims to put into practical use a copper-based paste that can be sintered at low temperature.
MembersFaculty
The members of the Advanced Materials Hybrid Engineering Lab are faculty, postdoctoral researchers, doctoral, master's, and undergraduate students, special auditing students, and administrative assistants.
- ProfessorTetsu Yonezawa
- Associate ProfessorMasatoshi Sakairi
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: “Atomic force microphotography of copper nanoparticles” Dr Anatoly / CC BY 4.0 (cropped)
- Copper nanoparticles for joining semiconductors: “SiC wafers 6inch” FDominec / CC BY-SA 4.0 (cropped)
- Applications in electronic components: “Keramik-Kondensator-Wiki-07-02-25-P1040371b” Elcap, Jens Both / CC BY-SA 3.0 (cropped)
- Copper paste that sinters at low temperature: “CopperFoil” Lloyd Davis from London, UK / CC BY-SA 2.0 (cropped)
- Related lab (光・熱エネルギー変換材料): “Such different zinc oxide - nanoflowers network” Andrey P. Tarasov / CC BY 4.0 (cropped)
- Related lab (固体反応化学): “Crystals growing from melted sulfur” AlexmarPhoto / CC BY 4.0 (cropped)
- Related lab (構造無機化学): “Cobaltate cristallographic structure” Julien Bobroff (user:Jubobroff) LPS, Orsay, France / CC BY-SA 3.0 (cropped)
- Related lab (無機合成化学): “Early Testing of Aerogel and Silicon Detectors for TIGERISS (SVS14979 - -Aerogel-4)” NASA's Scientific Visualization Studio - eMITS/Sophia Roberts, eMITS/Scott Wiessinger, University of Maryland College Park/Jeanette Kazmierczak / Public domain (cropped)
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