Separation of hyperfine interactions in Mössbauer spectrocsopy

Abstract

Problem of determination of isomer shift, all components of the electric field gradient and hyperfine magnetic field in case of mixed hyperfine interactions is presented. Orientation of hyperfine fields in the absorber Cartesian frame can be determined by few measurements with use of unpolarized radiation under different directions of wave vector with respect to the absorber. The method can be applied for absorbers with well separated absorption lines in their spectra. Explicit formulas for tensor components of hyperfine interactions derived from velocity moments formalism are presented.

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Acknowledgements

This work was partly supported by the National Science Centre, Poland under grant OPUS no 2018/31/B/ST3/00279.

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Correspondence to Krzysztof R. Szymański.

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This article is part of the Topical Collection on Proceedings of the International Conference on the Applications of the Mössbauer Effect (ICAME2019), 1-6 September 2019, Dalian, China

Edited by Tao Zhang, Junhu Wang and Xiaodong Wang

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Szymański, K.R. Separation of hyperfine interactions in Mössbauer spectrocsopy. Hyperfine Interact 241, 8 (2020). https://doi.org/10.1007/s10751-019-1658-8

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Keywords

  • Hyperfine magnetic field
  • Electric field gradient
  • The intensity tensor
  • Hyperfine interactions
  • Mössbauer spectroscopy