Used as a neutron absorber in nuclear reactors due to its high neutron capture cross-section. Employed in the production of samarium-cobalt magnets, which are valued for their strong magnetic properties and thermal stability in high-temperature environments. Applied in cancer treatment, particularly in radiopharmaceuticals for bone pain relief in patients with metastatic cancers. Utilized in chemical vapor deposition processes to create thin films for electronic and optical devices. Also serves as a catalyst in organic synthesis and in water purification systems for removing contaminants.