Pressure techniques are experimental methods that apply controlled hydrostatic or uniaxial pressure to a sample to modify and probe its structural, electronic, magnetic, or thermodynamic properties. Implemented using devices such as diamond anvil cells, piston-cylinder cells, or multi-anvil presses, these techniques can generate pressures from fractions of a gigapascal to several hundred gigapascals. They are commonly coupled with in situ probes (e.g., X-ray diffraction, Raman/IR spectroscopy, electrical transport, or neutron scattering) to study phase transitions, equation-of-state behavior, bonding changes, and reaction pathways under extreme conditions relevant to condensed matter physics, materials science, and geoscience.
Deep inside gas giants like Jupiter and Saturn, hydrogen and helium coexist under pressures millions of times greater than Earth's atmosphere. Under those conditions, helium may separate from hydrogen and influence a planet's ...
General Physics
Jun 24, 2026
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45
An international research team, including scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), has achieved a methodological breakthrough in the study of superhydrides, a promising class of superconductors. For ...
Condensed Matter
May 6, 2026
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101
A team of researchers has identified atomic distortions that may be linked with high-temperature superconductivity in a promising class of nickel-based materials, offering new insight into how next-generation superconductors ...
Condensed Matter
Apr 2, 2026
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76
Superconductors are materials that conduct electricity with an electrical resistance of zero. Superconductivity is generally observed when materials are cooled down to extremely low temperatures. In some cases, however, like ...
A high-pressure method of instantaneously freezing cells has proven to be effective in the first empirical validation of its kind. Through further development, the method holds promise in finding broad applications in regenerative ...
Cell & Microbiology
Mar 23, 2026
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6
For more than a century, condensed matter physics has grappled with one of its greatest unsolved challenges: how to build superconductors that operate at room temperature and transmit electricity with no loss. Now, in a paper ...
Condensed Matter
Mar 20, 2026
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193
Researchers from the Texas Center for Superconductivity (TcSUH) and the department of physics at the University of Houston have broken the temperature record for superconductivity at ambient pressure—a breakthrough that could ...
Condensed Matter
Mar 15, 2026
4
1338
Through a combination of high-pressure experiments and optical spectroscopy, physicists have revealed new insights into the structural forms of solid methane. Led by Mengnan Wang at the University of Edinburgh in the UK, ...
A new study led by the Aerospace Information Research Institute of the Chinese Academy of Sciences, along with their collaborators, has demonstrated that high pressure can significantly enhance and precisely tune terahertz ...
Condensed Matter
Dec 1, 2025
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20
The inside of giant planets can reach pressures more than one million times the Earth's atmosphere. As a result of that intense pressure, materials can adopt unexpected structures and properties. Understanding matter in this ...
General Physics
Nov 20, 2025
0
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