Internal field studies of ferromagnetic CrI3 by means of the Mössbauer effect in I129

C. Goldstein, M. Pasternak

Research output: Contribution to journalArticlepeer-review

Abstract

The Mössbauer effect in the 27.8-keV transition of I129 was used to measure the coupling constants of the internal fields of the insulating ferromagnet CrI3 above and below the Curie temperature (TC). Above TC, at 78A°K, the following parameters were obtained: e2qQ(I127)=+662±8 Mc/sec; η=0.35±0.05; isomer shift =+0.23±0.05 mm/sec with respect to a Zn66Te129 (T12=70 m) source at 80A°K. Below TC, at 21A°K, we deduce the following: Hi=25±5 kOe; cosβ=0.45±0.05. The e2qQ value at 21A°K was 727 Mc/sec, 10% greater than that at 78A°K.

Original languageEnglish
Pages (from-to)481-483
Number of pages3
JournalPhysical Review
Volume177
Issue number2
DOIs
StatePublished - 1969
Externally publishedYes

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