Ai
Created page with "== Introduction == Type I superconductors are a class of materials that exhibit superconductivity, a quantum mechanical phenomenon characterized by the complete absence of electrical resistance and the expulsion of magnetic fields, known as the Meissner effect, when cooled below a critical temperature. These materials are typically elemental superconductors, meaning they are composed of a single element, and they were the first to be discovered and studied in the field..."
