Effects of Earth Metal Dopants on the Properties of a Neodymium Magnet Using a First-Principles Approach.

ABSTRACT: Rare-earth (RE) ions enhance the stability of permanent magnets against demagnetization, making them vital in wind turbines, electric vehicle engines, magnetic resonance imaging machines, and cell phone devices. However, the rising costs and dwindling reserves of RE materials necessitate the development of RE-free permanent magnets for a sustainable economy. This study uses first-principles calculations to investigate the magnetic properties and electronic structure of RE₂Fe₁₄B (RE = Nd, Dy, Y, La, and Ce). Spin-polarized density functional theory, using the generalized gradient approximation and Perdew-Burke-Ernzerhof function, was performed to predict the properties of RE₂Fe₁₄B permanent magnets. The study found that the spin and orbital magnet

SUBMITTER: Miya L 

PROVIDER: S-EPMC11947823 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature