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Millimeter and submillimeter EPR spectroscopy

  • A. A. Konovalov
  • V. F. Tarasov
Article

Abstract

For a long time, the electron paramagnetic resonance (EPR) spectrometers have been operated in X and Q bands with wavelengths of microwave radiation about 3 cm and 8 mm. Increasing the operating frequency improves the basic parameters of an EPR spectrometer. In view of this, there has recently been rapid development of high-frequency EPR spectroscopy, including the submillimeter-wave range, related to significant progress in the millimeter-and submillimeterwave technique. This paper discusses characteristic features, application areas, and the state of the art of the experimental technique of EPR spectroscopy in the millimeter-wave range and the short-wavelength region of the millimeter-wave range. The design features of the high-frequency EPR spectrometer operated in the frequency range 65–1500 GHz, which was created at the E. K. Zavoisky Physico-Technical Institute of the Kazan’ Scientific Center of the Russian Academy of Sciences, are presented. The results of studying the structure of the paramagnetic centers formed by impurity Ho3+ ions in synthetic forsterite (Mg2SiO4), obtained by the method of tunable high-frequency EPR spectroscopy, are reported.

Keywords

Electron Paramagnetic Resonance Microwave Radiation Electron Paramagnetic Resonance Spectrum Forsterite Paramagnetic Center 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  1. 1.E. K. Zavoisky Physico-Technical Institute of the Kazan’ Scientific Center of the Russian Academy of SciencesKazan’Russia

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