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    Did you mean Electron Paramagnetic Resonance Spectroscopy?
    GlossaryElectron Paramagnetic Resonance Spectroscopy

    measures unpaired electrons' behavior in magnetic fields

    Electron Paramagnetic Resonance (EPR) Spectroscopy, also known as Electron Spin Resonance (ESR) Spectroscopy, is a technique used to study materials with unpaired electrons. It works by applying a magnetic field to a sample and measuring the resonant absorption of microwave radiation, which provides detailed information about the electronic structure and local environment of the paramagnetic species. This method is particularly useful in fields like chemistry, biology, and materials science for investigating free radicals, transition metal complexes, and defects in solids.

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