= Electron magnetic circular dichroism
{wiki=Electron_magnetic_circular_dichroism}
Electron Magnetic Circular Dichroism (EMCD) is a spectroscopic technique that exploits the interaction between electrons and magnetic fields to study the electronic and magnetic properties of materials at the atomic level. It is particularly useful for investigating magnetic materials and can provide information about the spin and orbital moments of electrons in a sample. The fundamental principle of EMCD is based on the circular dichroism effect, which is the differential absorption of left-handed versus right-handed circularly polarized light.
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