Positron annihilation study of spin-crossover in [FexZn1-x(ptz)6](BF4)2 single crystals

Attila Vértes, Károly Süvegh, Roland Hinek, Philipp Gütlich

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Positron lifetime measurements were carried out on [FexZn1-x(Ptz)6](BF4)2 single crystals in the temperature range of 72-300 K. Complementary Doppler broadening spectra were also recorded at room temperature. The probability of the formation of ortho-positronium (o-Ps) (lifetime 500-1400 ps) was found to be between 10-30%. It was established that the electron spin state transformation can be monitored by positron lifetime spectroscopy also in the solid state.

Original languageEnglish
Pages (from-to)1269-1275
Number of pages7
JournalJournal of Physics and Chemistry of Solids
Issue number11
Publication statusPublished - Nov 1994



  • C. positron annihilation spectroscopy
  • D. phase transitions

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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