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REDIOSPECTROSCOPIC FEATURES OF LOW-DIMENSIONAL SYSTEMS | ||
| journal of al-qadisiyah for pure science(quarterly) | ||
| Article 1, Volume 16, Issue 4, 2016, Pages 93-100 PDF (0 K) | ||
| Author | ||
| Hussien Ali Noor | ||
| Abstract | ||
| This work presents the experimental conditions leading to changing of the line form in electron paramagnetic resonance (EPR) spectra when the extreme properties (line width and intensity) of the object diagnosed are combined with different spectrum recording modes. A change in the line form on recording in the standard mode with the automatic control of a microwave oscillator over the measuring cavity is characteristic for samples with high concentrations of the paramagnetic centers. As the EPR signal intensity is growing, first the line width and symmetry is varying monotonically with a transition to the ”dips”«the disruption», and then а hysteresis is revealed for the spectral lines recorded on increasing and decreasing of a magnetic field. | ||
| Keywords | ||
| KEYWORDS; EPR; AFC; PMC | ||
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