United KingdomResearchers have discovered a new class of nanomaterials composed of silver, chromium, and selenium ions that exhibit significant changes in their magnetic properties when exposed to air. The study, published in the Journal of the American Chemical Society, describes two spinel structures where the initial form loses silver ions upon exposure to air, transforming into a second spinel that retains magnetic properties up to 400 Kelvin (260°F), compared to the original's loss of magnetism at 152 K (-185°F). This represents the largest recorded increase in Curie temperature, highlighting potential applications in advanced technologies like quantum computing and improved magnetic storage solutions. The findings suggest deeper insights into the fundamental behavior of magnetism under environmental conditions.
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