electron paramagnetic resonance(redirected from ESR spectrum)
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Related to ESR spectrum: electron paramagnetic resonance, Electron spin resonance spectroscopy
electron paramagnetic resonance:see magnetic resonancemagnetic resonance,
in physics and chemistry, phenomenon produced by simultaneously applying a steady magnetic field and electromagnetic radiation (usually radio waves) to a sample of atoms and then adjusting the frequency of the radiation and the strength of the magnetic field
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electron paramagnetic resonance[i′lek‚trän ¦par·ə·mag¦ned·ik ′rez·ən·əns]
Magnetic resonance arising from the magnetic moment of unpaired electrons in a paramagnetic substance or in a paramagnetic center in a diamagnetic substance. Abbreviated EPR. Also known as electron spin resonance (ESR); paramagnetic resonance.