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Electron Spin Resonance Spectrometer.
FET based marginal R.F. Oscillator
· Digital diaplay of frequency
· Excellent peaks display
· Digital display of Helmoltz Coil Current
· Compatible with general pupose CRO in X-Y mode
In recent years Magnetic Resonance has developed into a very useful and powerful tool in solid state research. In this method, use is made of the Zeeman interaction of the magnetic dipoles associated with the nucleus or electron, when placed in an external magnetic field. Accordingly, they are identified as NMR (Nuclear Magnetic Resonance) or ESR (Electron Spin Resonance). This form of spectroscopy finds many applications in the investigation of crystal structures, environmental effects, dynamic effects, defects in solids and in many diverse branches of Physics, Chemistry and Biology.
Elementary Magnetic Resonance
· DE = (gµ0H)mj
· DE = gµ0H 0r = hn0
A 50Hz current flows through Helmholtz coils which provides a low frequency magnetic field to the sample. As the resonance is observed at few ga