NDLI: A Perturbed-Angular-Correlation Study of Hyperfine Interactions at 181Ta in α-Fe2O3

Content Provider	Springer Nature Link
Author	Pasquevich, A. F. Junqueira, A. C. Carbonari, A. W. Saxena, R. N.
Copyright Year	2005
Abstract	The hyperfine interactions at 181Ta ions on Fe3+ sites in α-Fe2O3 (hematite) were studied in the temperature range 11–1100 K by means of the perturbed angular correlation (PAC) technique. The 181Hf(β−)181Ta probe nuclei were introduced chemically into the sample during the preparation. The hyperfine interaction measurements allow to observe the magnetic phase transition and to characterize the supertransferred hyperfine magnetic field Bhf and the electric field gradient (EFG) at the impurity sites. The angles between Bhf and the principal axes of the EFG were determined. The Morin transition was also observed. The results are compared with those of similar experiments carried out using 111Cd probe.
Starting Page	371
Ending Page	375
Page Count	5
File Format	PDF
ISSN	03043843
Journal	Hyperfine Interactions
Volume Number	158
Issue Number	1-4
e-ISSN	15729540
Language	English
Publisher	Springer Netherlands
Publisher Date	2005-10-11
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	electric field gradient hematite perturbed angular correlation supertransferred magnetic field Surfaces and Interfaces, Thin Films Condensed Matter Atoms, Molecules, Clusters and Plasmas Nuclear Physics, Heavy Ions, Hadrons
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Atomic and Molecular Physics, and Optics Physical and Theoretical Chemistry Condensed Matter Physics

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