paramágnesessé
Paramágnessé is a Hungarian term that translates to paramagnetism in English. It refers to a type of magnetism displayed by materials that are weakly attracted to an external magnetic field. Unlike ferromagnetic materials, which retain their magnetism after the external field is removed, paramagnetic materials only exhibit magnetism in the presence of a magnetic field and lose it when the field is switched off. This behavior arises from the presence of unpaired electrons in the atoms or molecules of the material. These unpaired electrons possess magnetic moments, and when an external magnetic field is applied, these moments tend to align with the field, creating a net magnetic dipole moment in the material. The strength of this attraction is generally weak and depends on the temperature of the material, as thermal agitation tends to disrupt the alignment of the magnetic moments. Common examples of paramagnetic materials include aluminum, platinum, and oxygen. Understanding paramágnessé is crucial in various scientific and technological applications, including magnetic resonance imaging (MRI) and the development of magnetic sensors.