Tag Archives: ferromagnetism
A new beast: antiferromagnetic quasicrystals
Scientists have made a new material that is both a quasicrystal and antiferromagnetic — a combination never seen before. Quasicrystals are a special kind of solid. Unlike normal crystals, whose atoms are arranged in repeating patterns, quasicrystals have patterns that … Continue reading
Posted in Scicomm
Tagged antiferromagnetism, approximant crystals, arc melting, crystallography, Curie-Weiss temperature, electron diffraction, ferromagnetism, magnetic order, magnetisation, neutron diffraction, quantum spin, quasicrystals, quasiperiodic order, rare-earth elements, specific heat, spintronics, Tsai quasicrystal, X-ray diffraction
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The Berry phase of Kancha Gachibowli
There’s a concept in quantum mechanics, and also in parts of classical mechanics, called the Berry phase. Say you’re walking around a mountain. You start off along a path and follow it all the way until you’re back to the … Continue reading
Posted in Op-eds, Scicomm
Tagged adiabatic process, afforestation, Berry phase, BR Gavai, deforestation, entropy, environment, ferromagnetism, Kancha Gachibowli, magnetic hysteresis, Supreme Court of India, Telangana
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Unexpected: Magnetic regions in metal blow past speed limit
You’re familiar with magnetism, but do you know what it looks like at the smallest scale? Take a block of iron, for example. It’s ferromagnetic, which means if you place it near a permanent magnet – like a refrigerator magnet … Continue reading
Posted in Scicomm
Tagged ferromagnetism, ferromagnets, magnetic domains, magnetic permeability, nickel, Physical Review Letters, pump-probe, spin quantum number, ultrafast phenomena
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