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Takizawa Lab
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A lab that creates new materials using ultrahigh pressure, microwaves, and ultrasound.
AboutAbout the lab
Creating new inorganic materials using extreme environments as reaction fields.
The Takizawa Lab studies the synthesis of inorganic materials using extreme environments as reaction fields.
It makes materials under conditions not used in everyday experiments, such as high temperature and high pressure, microwaves, and ultrasound.
Under such conditions, high-density phases that do not form at ambient pressure appear, and phenomena unique to thermally nonequilibrium states can be observed.
The lab continues to produce new materials, including conductive materials, magnetic materials, ion conductors, and wide-bandgap semiconductors.
Key terms
- Phase transition
- A change in the arrangement of a material's atoms into a different form when temperature or pressure changes.
- Sintering
- Compacting a powder and heating it so the particles bond together, forming a dense solid.
- Cavitation
- A phenomenon in which bubbles form in a liquid and, when they collapse, produce localized high temperature and pressure.
NewsLab news
A doctoral student received the President's Award, and a master's student received the Dean's Award of the Graduate School of Engineering
A master's student and a fourth-year undergraduate student received the Dean's Award of the Graduate School of Engineering
ResearchResearch themes
The lab works on synthesizing inorganic materials that cannot be made under ordinary conditions, using extreme environments as reaction fields. With ultrahigh pressure, microwaves, and ultrasound, it searches for new substances and new ways to make them in each reaction field.
*Illustrative imageNew materials by ultrahigh-pressure synthesis
Using a belt-type apparatus, a large-capacity ultrahigh-pressure generator, the lab synthesizes inorganic materials at high pressures and temperatures of up to ~8 GPa and ~2000°C. Under high pressure, phase transitions that change the arrangement of atoms occur, producing high-density phases that do not form at ambient pressure.
*Illustrative imageMaking functional materials with microwaves
The lab synthesizes functional ceramics using microwaves at frequencies of 28 GHz and 2.45 GHz. The alternating electromagnetic field of the microwaves interacts directly with the material and drives rapid sintering, and phenomena unique to thermally nonequilibrium states have been found.
*Illustrative imageMaterials processing using ultrasound
Cavitation, the formation of bubbles in a liquid under ultrasound, creates localized high-temperature, high-pressure hot spots. Using this effect, the lab develops new nanomaterials and processes that achieve both low cost and low environmental impact.
MembersFaculty
The Takizawa Lab's members include faculty, master's and undergraduate students, and administrative assistants.As of 2026
- ProfessorHirotsugu Takizawa
- Associate ProfessorYamato Hayashi
- Assistant ProfessorJun Fukushima
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: “Radiance” PhVKK Кирюханцев-Корнеев Филипп Владимирович / Научно-учебный центр СВС / ДНК Наука НИТУ «МИСиС» http://science.misis.ru/ / CC BY-SA 4.0 (cropped)
- New materials by ultrahigh-pressure synthesis: “DiamondAnvilCell 003” National Institute of Standards and Technology / Public domain (cropped)
- Making functional materials with microwaves: “Caso SMG20 - Witol 2M219J-8365” Raimond Spekking / CC BY-SA 4.0 (cropped)
- Materials processing using ultrasound: “Glowing Single Sonoluminescence Bubble” Beazzie / CC BY-SA 4.0 (cropped)
- Related lab (久保研究室): “Ferrofluid in magnetic field” Steve Jurvetson / CC BY 2.0 (cropped)
- Related lab (浅井研究室): “FZU scintillators 1” René Volfík / CC BY-SA 4.0 (cropped)
- Related lab (珠玖研究室): “Andrea Santiuste LydiaGarcía CristinaMoreno” PracticaGarSanMo / CC BY-SA 4.0 (cropped)
- Related lab (本間研究室): “Lithium-Ion Cell cylindric” RudolfSimon / CC BY-SA 3.0 (cropped)
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