Scientists Discover Unique “Half-Ice, Half-Fire” Phase of Matter

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Researchers at the U.S. Department of Energy's Brookhaven National Laboratory have identified a new phase of matter termed “half-ice, half-fire.” This discovery relates to the ordered and disordered states of electron spins in an external magnetic field, potentially advancing quantum information storage technologies. The findings were published in the journal Physical Review Letters.

According to Weiguo Yin, a co-author of the study, understanding and controlling transitions between different states of matter is critical in condensed matter physics and materials science. This phase can switch between states at finite temperatures, making it an attractive option for quantum computing and spintronics.

The new discovery builds upon prior research conducted in 2015 that uncovered a related "half-fire, half-ice" phase within the magnetic compound Sr3CuIrO6. In this context, Yin and colleague Alexei Tsvelik found that electron spins could alternate in temperature, with implications for various applications including refrigeration and data storage.

As the research progresses, the team aims to further explore the “fire-ice” phenomenon to unlock additional possibilities in material science.

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