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Combined Extreme Conditions Physics Lab
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A lab that combines high pressure, high magnetic fields, and low temperatures to search for superconductivity.
AboutAbout the lab
If pressure doesn't do it, apply more pressure
The Combined Extreme Conditions Physics Lab creates extreme conditions such as high pressure, high magnetic fields, and low temperatures, and measures the properties of materials under them.
Quantum phenomena that we rarely notice in everyday life show themselves in the world of extreme conditions, far beyond ordinary intuition.
Using ultrahigh-pressure and ultralow-temperature techniques, the lab searches for superconductivity in elements and heavy-fermion materials.
On the lab's website, the lab is introduced under the name "Extreme Ultrahigh Pressure."
Key terms
- Superconductivity
- A phenomenon in which electrical resistance drops to zero. It has long been understood as a property opposed to magnetism.
- Diamond anvil cell
- A device that generates very high pressure by placing two diamonds, with tips narrowed to under 1 mm, face to face and applying force from above and below.
- Dilution refrigerator
- A device that uses the difference in properties between helium-3 and helium-4 to reach a low temperature of about 0.01 kelvin.
- Heavy-fermion system
- A system of materials in which electrons behave as if they have a mass far greater than in ordinary metals.
NewsLab news
A doctoral student won a Poster Award at the ipi Symposium "Joint CREST: Tomorrow's Quantum Frontier"
A doctoral student won the AIRAPT-29 Summer School Osaka Poster Award
A master's student won the HPCJ-66 Student Poster Award at AIRAPT-29
A student won a Poster Award at CDRTS2025
A master's student won a Poster Award at REWS2025
ResearchResearch themes
This lab measures the properties of materials under combined extreme conditions: high pressure, high magnetic fields, and low temperatures. High pressure is achieved with diamond anvil cells, low temperatures with liquid helium and dilution refrigerators, and the lab can generate magnetic fields of up to 14 tesla.
*Illustrative imageSearching for Superconductivity in the Elements
Some elements become superconducting and others do not, but that is at 1 atmosphere. Searching with ultrahigh-pressure and ultralow-temperature techniques has revealed that even oxygen and iron become superconducting, and the ultimate goal is hydrogen, which is predicted to be a room-temperature superconductor.
*Illustrative imagePressure-Induced Superconductivity in Heavy-Fermion Systems
When material properties are controlled under high pressure, exotic superconductors such as UGe2, in which the same electrons are thought to be responsible for both ferromagnetism and superconductivity, have been discovered one after another. By exploring a wider range of pressures and temperatures with high-pressure and ultralow-temperature techniques, further discoveries are expected.
*Illustrative imageDeveloping Techniques for Creating Extreme Conditions
To get closer to the subjects of study, technology development also accounts for a large share of the work. Creating extreme conditions and making it possible to study a variety of physical properties under them is essential for advancing the research described above.
MembersFaculty
The members of the Combined Extreme Conditions Physics Lab are faculty, a visiting professor, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorKatsuya Shimizu
- Associate ProfessorMari Einaga
- Assistant ProfessorYuki Nakamoto
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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: “4 LAYER SUPERCONDUCTING MAGNET - NARA - 17418522” Martin Brown / Public domain (cropped)
- Searching for Superconductivity in the Elements: “Periodic table with superconducting temperatures” José A. Flores-Livas, Lilia Boeri, Antonio Sanna, Gianni Profeta, Ryotaro Arita, Mikhail Eremets / CC BY 4.0 (cropped)
- Pressure-Induced Superconductivity in Heavy-Fermion Systems: “Ames Process uranium biscuit” 作者不詳 / Public domain (cropped)
- Developing Techniques for Creating Extreme Conditions: “Gold Cryostat 8K-4” Onri Jay Benally / CC BY-SA 2.0 (cropped)
- Related lab (Strongly Correlated Quantum Physics Lab): “Dilution Fridge in 16K Resolution 002” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (Meta-Photonic Quantum Condensed Matter Lab): “Laser LY-RGBW01 internals optical table shining PC301980” Alexey Vazhnov / CC BY-SA 4.0 (cropped)
- Related lab (Strongly Correlated Systems Theory Lab): “Levitation meissner” Julien Bobroff (user:Jubobroff), Frederic Bouquet (user:Fbouquet), LPS, Orsay, France / CC BY-SA 3.0 (cropped)
- Related lab (Emergent Quantum Materials Science Lab): “Apparatus for measuring vapor pressures - DPLA - 96907cd46db76b056b34c2cda439c64d” 作者不詳 / Public domain (cropped)
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