IYPT 2019 Elements 067: Holmium: Magnets and laser surgery

Element 67 in our International Year of the Periodic Table series is holmium. Holmium is used in powerful magnets, in laser surgery, and have also been used for atomic data storage. Holmium has the highest magnetic strength of any element in the periodic table. Though it is not ferromagnetic at room temperature, like iron, cobalt […]