Abstract
The Q-band electron spin echo (ESE) spectrometer which was created using modern microwave components is described. This simple incoherent apparatus was used with the X-band one for the study of phosphate and silicate glasses doped with non-Kramers rare earth Tb3+ ions. the EPR spectra measured by the ESE method have frequency independent peaks. The experimental results presumably show the existence of several types of paramagnetic centers in studied systems.
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Gromov, I.A., Orlinskii, S.B. & Rakhmatullin, R.M. Application of Q-band electron spin echo spectrometer to investigation of glasses doped with rare earth ions. Appl. Magn. Reson. 3, 1147–1158 (1992). https://doi.org/10.1007/BF03166178
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DOI: https://doi.org/10.1007/BF03166178