Explore the Electron Spin Resonance (ESR) Experiment (UE5030100) to study electron spins and their interaction with magnetic fields, crucial for quantum physics research.

Experiment: Electron spin resonance UE5030100

3B Scientific

SKU 005-UE5030100-115-Main
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Objective: Demonstrate electron spin resonance in DPPH

Electron spin resonance (ESR) is based on the energy absorption by substances with unpaired electrons, which are inside an external magnetic field produced by a DC source. The energy is absorbed from a high-frequency AC-generated field which is fed in perpendicular to the field from the DC source. If the frequency of the alternating field is equal to the resonant frequency, the impedance of the transmitting coil filled with the test material changes in accordance with a resonance curve and a peak will be visible on an oscilloscope screen. One suitable material for this is diphenyl-picry-hydrazyl (DPPH).
 
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