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CAPTION Chromium chloride and chromium bromide were known in the past as transition-metal halides with in-plane and out-of-plane magnetization. Boston College researchers have discovered a way of making mixed halides with all the composition between these two parameters. The result of this "mixed halide chemistry" was a combination of chromium chloride and bromide where adjustments to the ratio of chlorine to bromine can be varied continuously. The team observed a continuous change of magnetization from in-plane to out-of-plane as it adjusted the ratio. Small crystals of chromium mixed halides with different chlorine to bromine ratios are shown in the image.

New way to control magnetism in ultrathin magnetic devices

Physicists, scientific experts, and materials researchers have been examining the idea of layered magnetic materials for a very long while, hunting down pieces of...