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Bud'ko SL, Kong T, Ma X, et al. Study of ⁵⁷Fe Mössbauer effect in RFe₂Zn₂₀ (R = Lu, Yb, Gd). J Phys Condens Matter. 2015;27(33):336003doi: 10.1088/0953-8984/27/33/336003.
Bud'ko, S. L., Kong, T., Ma, X., & Canfield, P. C. (2015). Study of ⁵⁷Fe Mössbauer effect in RFe₂Zn₂₀ (R = Lu, Yb, Gd). Journal of physics. Condensed matter : an Institute of Physics journal, 27(33), 336003. https://doi.org/10.1088/0953-8984/27/33/336003
Bud'ko, Sergey L, et al. "Study of ⁵⁷Fe Mössbauer effect in RFe₂Zn₂₀ (R = Lu, Yb, Gd)." Journal of physics. Condensed matter : an Institute of Physics journal vol. 27,33 (2015): 336003. doi: https://doi.org/10.1088/0953-8984/27/33/336003
Bud'ko SL, Kong T, Ma X, Canfield PC. Study of ⁵⁷Fe Mössbauer effect in RFe₂Zn₂₀ (R = Lu, Yb, Gd). J Phys Condens Matter. 2015 Aug 26;27(33):336003. doi: 10.1088/0953-8984/27/33/336003. Epub 2015 Aug 04. PMID: 26241786.
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J Phys Condens Matter. 2015 Aug 26;27(33):336003. doi: 10.1088/0953-8984/27/33/336003. Epub 2015 Aug 04.

Study of ⁵⁷Fe Mössbauer effect in RFe₂Zn₂₀ (R = Lu, Yb, Gd).

Journal of physics. Condensed matter : an Institute of Physics journal

Sergey L Bud'ko, Tai Kong, Xiaoming Ma, Paul C Canfield

Affiliations

  1. Ames Laboratory US DOE and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA.

PMID: 26241786 DOI: 10.1088/0953-8984/27/33/336003

Abstract

We report measurements of (57)Fe Mössbauer spectra for RFe2Zn20 (R = Lu, Yb, Gd) from  ∼4.5 K to room temperature. The obtained isomer shift values are very similar for all three compounds, their temperature dependence was analyzed within the Debye model and resulted in an estimate of the Debye temperatures of 450-500 K. The values of quadrupole splitting at room temperature change with the cubic lattice constant a in a linear fashion. For GdFe2Zn20, ferromagnetic order is seen as an appearance of a sextet in the spectra. The (57)Fe site hyperfine field for → was evaluated to be  ∼2.4 T.

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