A study of magnetic interactions in M2EuRuO6 (M = Ca, Sr, Ba) by 151Eu Mössbauer spectroscopy
✍ Scribed by T.C. Gibb; R. Greatrex
- Book ID
- 107819035
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 742 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0022-4596
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📜 SIMILAR VOLUMES
l5l-Eu MOssbauer Effect measurements have been performed on the title superconductor at 78 K. The quadrupole coupling constant ( -168 + 14 MHz) is found to be small and negative. The isomer shift ( 0.78 + .03 rom/s relative to EUF3) implies that Eu is trivalent in the compound.
Perovskite-type compounds A 2 FeNbO 6 (A ؍ Sr, Ba) were prepared. Their powder X-ray di4raction measurements and the Rietveld analysis show that the cations Fe 3؉ and Nb 5؉ over the six-coordinate sites of the perovskite structure are arranged randomly for Sr 2 FeNbO 6 and some of them order regul