Recently, a research group led by Prof. Peng Tong from Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences (CAS), significantly improved the negative thermal expansion (NTE) effect of Cu2P2O7, a new ...
Materials Science
Sep 14, 2023
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1
Nearly every material, whether it is solid, liquid, or gas, expands when its temperature goes up and contracts when its temperature goes down. This property, called thermal expansion, makes a hot air balloon float, and the ...
Condensed Matter
Jul 27, 2023
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718
A new study determines the thermal properties of advanced solid materials, based on first-principles calculations of quantum vibrations.
Condensed Matter
Jul 21, 2023
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333
A team of nuclear chemists at the Chinese Academy of Sciences, working with a colleague from Changzhou University, has discovered a unique relaxation mechanism in a lattice-based material they built that had negative thermal ...
Think back to September last year. What happened early that month? What news shook the world and reverberated for weeks, if not months?
Environment
May 5, 2023
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382
In a recently published article in the journal Nature Physics, a team of researchers with the participation of the University of Augsburg reports about unexpectedly universal correlations between the thermal expansion and ...
General Physics
Feb 7, 2023
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61
The construction of the Fred Young Submillimeter Telescope (FYST) being developed by CCAT Observatory Inc., an international consortium of universities led by Cornell, is drawing to a close.
Astronomy
Jan 31, 2023
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41
It is well known that global warming is causing sea levels to rise via two processes: thermal expansion, when water expands because of its increased temperature, and melting of land-based ice, when meltwater flows into the ...
General Physics
Apr 21, 2022
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41
Polycrystals are solid materials that are made up of lots of small crystals. The points where the crystals meet are known as grain boundaries (GBs). GBs are important because they can affect the way the solid behaves. However, ...
Nanomaterials
Dec 2, 2021
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33
Owing to high quantum yields, large absorption cross-section, excellent carrier transport performance and narrow-band emission, inorganic lead-halide perovskite semiconductors have received increasing attention for their ...
Nanomaterials
Aug 30, 2021
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8
