Antimony-121 Mössbauer spectral study of α-Zn4Sb 3

Raphaël P. Hermann, Fernande Grandjean, Tsi Chi Chen, Dennis E. Brown, C. E. Johnson, G. Jeffrey Snyder, Gary J. Long*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The Mössbauer spectra of α-Zn4Sb3, a compound that is best formulated as α-Zn13Sb10 or (Zn2+)13(Sb3-)6(Sb2 4-)2, have been measured between 5 and 120 K. The resulting six spectra have been simultaneously fit with two components in the ratio of 3:2 corresponding to the Sb3- and Sb2- ions identified in this valence semiconductor. The fits yield temperature independent isomer shifts of -8.17(2) and -9.73(2) mm/s and quadrupole interactions of -4.9(2) and 0 mm/s for the Sb3- and Sb2- ions, respectively; the corresponding Mössbauer temperatures are 197(5) and 207(5) K, temperatures that are lower than the Debye temperature of β-Zn4Sb3. The isomer shifts correspond to electronic configurations between 5s25p6 and 5s1.755p 4.01 for the Sb3- ions and between 5s25p 5 and 5s1.805p3.38 for the Sb2- ions, configurations that are in good agreement with the expected configurations for this valence semiconductor and with the results of band structure calculations.

Original languageEnglish (US)
Pages (from-to)767-770
Number of pages4
JournalInorganic chemistry
Issue number3
StatePublished - Feb 5 2007

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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