koerzitivität
Koerzitivität, often referred to as coercivity, is a fundamental property of ferromagnetic materials that quantifies their resistance to demagnetization. It represents the magnetic field strength required to reduce the magnetization of a material to zero after it has been magnetized to saturation. In essence, it's a measure of how "hard" it is to reverse the magnetic orientation within a material.
Materials with high koerzitivität are known as hard magnetic materials. They are capable of retaining their
Conversely, materials with low koerzitivität are called soft magnetic materials. They are easily magnetized and demagnetized,